MATH AND DOSAGE CALCULATIONS FOR HEALTHCARE PROFESSIONALS Kathryn Booth 5e - Test Bank

MATH AND DOSAGE CALCULATIONS FOR HEALTHCARE PROFESSIONALS Kathryn Booth 5e – Test Bank

 

Instant Download – Complete Test Bank With Answers

 

 

Sample Questions Are Posted Below

 

Chapter 05

Other Systems of Measurement

 

 

Multiple Choice Questions

1. The abbreviation for drop is
   A. dr.
   B.  dp.
   C.  gtt.
   D.  gpt.

The abbreviation for drop is gtt.

 

ABHES: 3.d Define and use medical abbreviations when appropriate and acceptable
ASHP: 11.1.b Identify the correct medical term for given abbreviations.
Accessibility: Keyboard Navigation
Blooms: Remember
CAAHEP: II.C.6 Identify both abbreviations and symbols used in calculating medication dosages.
Difficulty: 1 Easy
Learning Outcome: 5.2 Write measurements and equivalent measures using the household system.
Topic: Household System

2. Which of the following is the same in both the apothecary system and the household system?
   A. ounce
   B.  grain
   C.  drop
   D.  minim

One apothecary ounce equals one household ounce.

 

ABHES: 6.b Demonstrate accurate occupational math and metric conversions for proper medication administration.
ASHP: 25.3.c Accurately convert from one measurement system to another as needed.
Accessibility: Keyboard Navigation
Blooms: Remember
CAAHEP: II.C.5 Convert among measurement systems.
Difficulty: 1 Easy
Learning Outcome: 5.1 Write measurements and equivalent measures using the apothecary system.
Learning Outcome: 5.2 Write measurements and equivalent measures using the household system.
Topic: Apothecary System
Topic: Household System

 

3. The correct apothecary notation for five and one-half grains is
   A.
   B.  gr v.
   C.
   D.  vss gr.

For apothecary notation, the unit of measure is placed before the quantity. Because the value is not a whole number, use a mixed number instead of lowercase Roman numerals.

 

ABHES: 3.d Define and use medical abbreviations when appropriate and acceptable
ASHP: 11.1.b Identify the correct medical term for given abbreviations.
ASHP: 12.1.a Explain the use of Roman numerals, Arabic numbers, fractions, decimals, and apothecary symbols.
Blooms: Remember
CAAHEP: II.C.6 Identify both abbreviations and symbols used in calculating medication dosages.
Difficulty: 1 Easy
Learning Outcome: 5.1 Write measurements and equivalent measures using the apothecary system.
Topic: Apothecary System

4. The abbreviation for tablespoon is
   A. tabsp.
   B.  tsb.
   C.  tpbs.
   D.  tbsp.

The correct abbreviation for tablespoon is tbsp. An uppercase T or tbs can also be used.

 

ABHES: 3.d Define and use medical abbreviations when appropriate and acceptable
ASHP: 11.1.b Identify the correct medical term for given abbreviations.
Accessibility: Keyboard Navigation
Blooms: Remember
CAAHEP: II.C.6 Identify both abbreviations and symbols used in calculating medication dosages.
Difficulty: 1 Easy
Learning Outcome: 5.2 Write measurements and equivalent measures using the household system.
Topic: Household System

 

5. An equivalent measure for 5 mL is
   A. 3 drams.
   B.  1 tbsp.
   C.  1 tsp.
   D.  2 gr.

An equivalent measure for 5 mL is 1 tsp.

 

ABHES: 6.b Demonstrate accurate occupational math and metric conversions for proper medication administration.
ASHP: 25.3.c Accurately convert from one measurement system to another as needed.
Accessibility: Keyboard Navigation
Blooms: Apply
CAAHEP: II.C.5 Convert among measurement systems.
Difficulty: 1 Easy
Learning Outcome: 5.3 Recognize equivalent measures used in dosage calculations.
Topic: Equivalent Measures

6. Equivalent measures for 8 oz are
   A. 300 mL and 1 pt
   B.  1 c and 240 mL.
   C.  1 pt and 240 mL.
   D.  3 drams and 1 c.

Equivalent measures for 8 oz are 1 c and 240 mL. (1 pint = 2 cups = 480 mL, so 1 cup = 480 mL ¸ 2 = 240 mL)

 

ABHES: 6.b Demonstrate accurate occupational math and metric conversions for proper medication administration.
ASHP: 25.3.c Accurately convert from one measurement system to another as needed.
Blooms: Apply
Blooms: Remember
CAAHEP: II.C.5 Convert among measurement systems.
Difficulty: 2 Medium
Learning Outcome: 5.3 Recognize equivalent measures used in dosage calculations.
Topic: Equivalent Measures

 

7. Six drams equals _____ fluid ounce(s).
   A. 1
   B.  12
   C.  6
   D.  0.75

There are 8 drams in 1 fluid ounce.
8 dram : 1 fl oz :: 6 dram : x
8 ´ x = 1 ´ 6
8x ¸ 8 = 6 ¸ 8
x = 0.75

 

ABHES: 6.b Demonstrate accurate occupational math and metric conversions for proper medication administration.
ASHP: 12.1.b Demonstrate how to convert weights and measures, and direct ratio and proportion.
ASHP: 25.3.c Accurately convert from one measurement system to another as needed.
ASHP: 28.3.b Correctly solve mathematical problems involving conversion of weights and measures and direct ratio and proportion.
Blooms: Apply
CAAHEP: II.C.5 Convert among measurement systems.
Difficulty: 2 Medium
Learning Outcome: 5.1 Write measurements and equivalent measures using the apothecary system.
Learning Outcome: 5.3 Recognize equivalent measures used in dosage calculations.
Topic: Apothecary System
Topic: Equivalent Measures

8. The metric equivalent in milligrams of gr 12 is
   A. 72 mg.
   B.  90 mg.
   C.  9 mg.
   D.  720 mg.

1 gr = 60 mg

 

ABHES: 6.b Demonstrate accurate occupational math and metric conversions for proper medication administration.
ASHP: 12.1.b Demonstrate how to convert weights and measures, and direct ratio and proportion.
ASHP: 25.3.c Accurately convert from one measurement system to another as needed.
ASHP: 28.3.b Correctly solve mathematical problems involving conversion of weights and measures and direct ratio and proportion.
Blooms: Apply
CAAHEP: II.C.5 Convert among measurement systems.
Difficulty: 2 Medium
Learning Outcome: 5.3 Recognize equivalent measures used in dosage calculations.
Topic: Equivalent Measures

 

9. A patient drank 1 cup of coffee, one-half cup of juice, and three 8-ounce glasses of water. How many liters of fluid did the patient drink?
   A. 10.8 L
   B.  1.08 L
   C.  0.08 L
   D.  108 L

First, convert all of the amounts to ounces: 1 c = 8 fl oz, so the patient drank 8 oz of coffee, 4 oz of juice, and 24 oz of water. 8 + 4 + 24 = 36 oz of fluid.

Next, convert ounces to milliliters: 1 fl oz = 30 mL, so 36 oz ´ 30 mL/oz = 1,080 mL

Finally, convert milliliters to liters:

 

ABHES: 6.b Demonstrate accurate occupational math and metric conversions for proper medication administration.
ASHP: 12.1.b Demonstrate how to convert weights and measures, and direct ratio and proportion.
ASHP: 25.3.c Accurately convert from one measurement system to another as needed.
ASHP: 28.3.b Correctly solve mathematical problems involving conversion of weights and measures and direct ratio and proportion.
Blooms: Understand
CAAHEP: II.C.5 Convert among measurement systems.
Difficulty: 3 Hard
Learning Outcome: 5.3 Recognize equivalent measures used in dosage calculations.
Topic: Equivalent Measures

 

10. The physician ordered 45 mL of a medication. How many tablespoons is this?
    A. 5 tbsp
    B.  3 tbsp
    C.  4 tbsp
    D.  3.5 tbsp

1 tbsp = 15 mL

1 ´ 45 = x ´ 15

45 = 15x

45 ¸ 15 = 15x ¸ 15

x = 3 tbsp

 

ABHES: 6.b Demonstrate accurate occupational math and metric conversions for proper medication administration.
ASHP: 12.1.b Demonstrate how to convert weights and measures, and direct ratio and proportion.
ASHP: 25.3.c Accurately convert from one measurement system to another as needed.
ASHP: 28.3.b Correctly solve mathematical problems involving conversion of weights and measures and direct ratio and proportion.
Blooms: Apply
CAAHEP: II.C.5 Convert among measurement systems.
Difficulty: 2 Medium
Learning Outcome: 5.3 Recognize equivalent measures used in dosage calculations.
Topic: Equivalent Measures

 

11. Three and one-half fluid ounces equals _____ drams.
    A. 0.44
    B.  2.8
    C.  28
    D.  280

1 fluid ounce = 8 drams

1x = 8 drams ´ 3.5

x = 28 drams

 

ABHES: 6.b Demonstrate accurate occupational math and metric conversions for proper medication administration.
ASHP: 12.1.b Demonstrate how to convert weights and measures, and direct ratio and proportion.
ASHP: 25.3.c Accurately convert from one measurement system to another as needed.
ASHP: 28.3.b Correctly solve mathematical problems involving conversion of weights and measures and direct ratio and proportion.
Blooms: Apply
CAAHEP: II.C.5 Convert among measurement systems.
Difficulty: 2 Medium
Learning Outcome: 5.1 Write measurements and equivalent measures using the apothecary system.
Topic: Apothecary System

 

12. 240 minims equals _____ drams.
    A. 4
    B.  0.4
    C.  40
    D.  13,400

1 dram = 60 minims

60 ´ x = 240 ´ 1 dram

60x = 240 dram: divide both sides by 60

x = 4 drams

 

ABHES: 6.b Demonstrate accurate occupational math and metric conversions for proper medication administration.
ASHP: 12.1.b Demonstrate how to convert weights and measures, and direct ratio and proportion.
ASHP: 25.3.c Accurately convert from one measurement system to another as needed.
ASHP: 28.3.b Correctly solve mathematical problems involving conversion of weights and measures and direct ratio and proportion.
Blooms: Apply
CAAHEP: II.C.5 Convert among measurement systems.
Difficulty: 2 Medium
Learning Outcome: 5.1 Write measurements and equivalent measures using the apothecary system.
Topic: Apothecary System

 

13. 3.75 ounces equals _____ grains.
    A. 128
    B.  1,800
    C.  18
    D.  1,280

1 ounce = 480 grains

1 oz : gr 480 = 3.75 oz : x

1 ´ x = gr 480 ´ 3.75

x = 1,800

 

ABHES: 6.b Demonstrate accurate occupational math and metric conversions for proper medication administration.
ASHP: 12.1.b Demonstrate how to convert weights and measures, and direct ratio and proportion.
ASHP: 25.3.c Accurately convert from one measurement system to another as needed.
ASHP: 28.3.b Correctly solve mathematical problems involving conversion of weights and measures and direct ratio and proportion.
Blooms: Apply
CAAHEP: II.C.5 Convert among measurement systems.
Difficulty: 2 Medium
Learning Outcome: 5.1 Write measurements and equivalent measures using the apothecary system.
Topic: Apothecary System

14. The patient received a pint of medication from the pharmacy. This is equivalent to
    A. 1 cup.
    B.  8 fluid ounces.
    C.
    D.  16 fluid ounces.

One cup equals 8 fluid ounces, and 1 pint equals 2 cups, so 1 pint equals 2 ´ 8 = 16 fluid ounces.

 

ABHES: 6.b Demonstrate accurate occupational math and metric conversions for proper medication administration.
ASHP: 12.1.b Demonstrate how to convert weights and measures, and direct ratio and proportion.
ASHP: 25.3.c Accurately convert from one measurement system to another as needed.
ASHP: 28.3.b Correctly solve mathematical problems involving conversion of weights and measures and direct ratio and proportion.
Blooms: Remember
CAAHEP: II.C.5 Convert among measurement systems.
Difficulty: 1 Easy
Learning Outcome: 5.2 Write measurements and equivalent measures using the household system.
Topic: Household System

 

15. 32 ounces equals
    A. 6 pints.
    B.  2 cups.
    C.  2 quarts
    D.  2 pounds

1 pound = 16 ounces; 1 lb : 16 oz :: x : 32 oz

16 oz ´ x = 1 lb ´ 32 oz

16x = 32 lb; divide both sides by 16.

x = 2 lb

 

ABHES: 6.b Demonstrate accurate occupational math and metric conversions for proper medication administration.
ASHP: 12.1.b Demonstrate how to convert weights and measures, and direct ratio and proportion.
ASHP: 25.3.c Accurately convert from one measurement system to another as needed.
ASHP: 28.3.b Correctly solve mathematical problems involving conversion of weights and measures and direct ratio and proportion.
Blooms: Apply
CAAHEP: II.C.5 Convert among measurement systems.
Difficulty: 1 Easy
Learning Outcome: 5.2 Write measurements and equivalent measures using the household system.
Topic: Household System

 

16. Bella weighs 55 lb. How many kilograms does she weigh?
    A. 25 kg
    B.  121 kg
    C.  2.5 kg
    D.  12.1 kg

1 kg = 2.2 lb

1 kg : 2.2 lb = x : 55 lb

2.2 ´ x = 1 kg ´ 55

2.2x = 55 kg, divide both sides by 2.2

x = 25 kg

 

ABHES: 6.b Demonstrate accurate occupational math and metric conversions for proper medication administration.
ASHP: 12.1.b Demonstrate how to convert weights and measures, and direct ratio and proportion.
ASHP: 25.3.c Accurately convert from one measurement system to another as needed.
ASHP: 28.3.b Correctly solve mathematical problems involving conversion of weights and measures and direct ratio and proportion.
Blooms: Apply
CAAHEP: II.C.5 Convert among measurement systems.
Difficulty: 2 Medium
Learning Outcome: 5.3 Recognize equivalent measures used in dosage calculations.
Topic: Equivalent Measures

 

17. Sam has a prescription for a medication that says to take 3 fl oz for each dose. He has a measuring spoon set and will use the tablespoon measure. How many tablespoons of medication will he need to take the prescribed dose?
    A. 4 tablespoons
    B.  2 tablespoons
    C.
    D.  6 tablespoons

1 fl oz = 2 tbsp

1 fl oz : 2 tbsp :: 3 fl oz : x

2 tbsp ´ 3 = 1 ´ x

6 tbsp = 1x

6 tbsp = x

 

ABHES: 6.b Demonstrate accurate occupational math and metric conversions for proper medication administration.
ASHP: 25.3.c Accurately convert from one measurement system to another as needed.
ASHP: 28.3.b Correctly solve mathematical problems involving conversion of weights and measures and direct ratio and proportion.
Blooms: Apply
CAAHEP: II.C.5 Convert among measurement systems.
Difficulty: 2 Medium
Learning Outcome: 5.3 Recognize equivalent measures used in dosage calculations.
Topic: Equivalent Measures

 

18. Taylor’s mother is supposed to give him 2 tablespoons of a medication. She only has a teaspoon measure available. How many teaspoons should she give him?
    A. 1.5 teaspoons
    B.  4 teaspoons
    C.  6 teaspoons
    D.  3 teaspoons

1 tablespoon = 3 teaspoons

1 tablespoon : 3 teaspoons :: 2 tablespoons : x

1 tablespoon : 3 teaspoons :: 2 tablespoons : x

3 teaspoons ´ 2 = 1 ´ x

6 teaspoons = x

 

ABHES: 6.b Demonstrate accurate occupational math and metric conversions for proper medication administration.
ASHP: 12.1.b Demonstrate how to convert weights and measures, and direct ratio and proportion.
ASHP: 25.3.c Accurately convert from one measurement system to another as needed.
ASHP: 28.3.b Correctly solve mathematical problems involving conversion of weights and measures and direct ratio and proportion.
Blooms: Apply
CAAHEP: II.C.5 Convert among measurement systems.
Difficulty: 1 Easy
Learning Outcome: 5.2 Write measurements and equivalent measures using the household system.
Topic: Household System

 

19. 210 minims is how many drams?
    A. 12,600 drams
    B.  3.5 drams
    C.  35 drams
    D.  126 drams

60 minims = 1 dram

60 minims : 1 dram :: 210 minims : x

1 dram ´ 210 = 60 ´ x

210 = 60x, divide both sides by 60

3.5 drams = x

 

ABHES: 6.b Demonstrate accurate occupational math and metric conversions for proper medication administration.
ASHP: 12.1.b Demonstrate how to convert weights and measures, and direct ratio and proportion.
ASHP: 25.3.c Accurately convert from one measurement system to another as needed.
ASHP: 28.3.b Correctly solve mathematical problems involving conversion of weights and measures and direct ratio and proportion.
Blooms: Apply
CAAHEP: II.C.5 Convert among measurement systems.
Difficulty: 2 Medium
Learning Outcome: 5.1 Write measurements and equivalent measures using the apothecary system.
Topic: Apothecary System

 

20. Dr. Smithy wrote an order for Mary to take 4 drams of a medication. This is equivalent to
    A. 60 minims.
    B.  1 gr.
    C.  30 mL.
    D.  1 tablespoon.

8 dr = 1 fl oz and 1 fl oz = 2 tablespoons

First, convert drams to fluid ounces: 8 drams : 1 fl oz = 4 drams : x

1 fl oz ´ 4 = 8 ´ x

4 fl oz = 8x; divide both sides by 8

x = 0.5 fl oz

Then convert fluid ounces to tablespoons: 1 fl oz : 2 tablespoons = 0.5 fl oz : x

2 tablespoons = 0.5x, divide both sides by 0.5

1 tablespoon = x

 

ABHES: 6.b Demonstrate accurate occupational math and metric conversions for proper medication administration.
ASHP: 25.3.c Accurately convert from one measurement system to another as needed.
ASHP: 28.3.b Correctly solve mathematical problems involving conversion of weights and measures and direct ratio and proportion.
Blooms: Apply
CAAHEP: II.C.5 Convert among measurement systems.
Difficulty: 2 Medium
Learning Outcome: 5.1 Write measurements and equivalent measures using the apothecary system.
Learning Outcome: 5.3 Recognize equivalent measures used in dosage calculations.
Topic: Apothecary System
Topic: Equivalent Measures

 

21. Which of the following is the correct notation?
    A. g Xss
    B.  0.2 mL
    C.  25.5 gr
    D.  dr .13

The only correctly written notation is 0.2 mL; in the metric system, Arabic numbers are used, a zero is included before the decimal point, and the unit of measure is written after the quantity with a space between them.

 

ABHES: 3.d Define and use medical abbreviations when appropriate and acceptable
ASHP: 11.1.b Identify the correct medical term for given abbreviations.
Accessibility: Keyboard Navigation
Blooms: Understand
CAAHEP: II.C.6 Identify both abbreviations and symbols used in calculating medication dosages.
Difficulty: 2 Medium
Learning Outcome: 5.3 Recognize equivalent measures used in dosage calculations.
Topic: Equivalent Measures

22. Which type of units are preferred for most dosage calculations?
    A. Roman
    B.  apothecary
    C.  Household
    D.  metric

Metric units are the preferred units for dosage calculations in most cases.

 

Accessibility: Keyboard Navigation
Blooms: Remember
Difficulty: 1 Easy
Learning Outcome: 5.1 Write measurements and equivalent measures using the apothecary system.
Topic: Apothecary System

 

23. Which of the following is not a unit in the apothecary system?
    A. grain
    B.  ounce
    C.  drop
    D.  dram

The apothecary minim was originally equal to the volume of a drop of wine, but drops are a unit of measurement in the household system, not the apothecary system.

 

ASHP: 12.1.a Explain the use of Roman numerals, Arabic numbers, fractions, decimals, and apothecary symbols.
Accessibility: Keyboard Navigation
Blooms: Remember
Difficulty: 1 Easy
Learning Outcome: 5.1 Write measurements and equivalent measures using the apothecary system.
Topic: Apothecary System

24. Sodium, potassium, and other electrolytes are often measured based on their equivalent weight using a unit called
    A. minims.
    B.  milliequivalents.
    C.  drams.
    D.  milligrams.

One milliequivalent is defined as  of the equivalent weight of a chemical.

 

ASHP: 12.1.g Demonstrate use of milliequivalents.
Blooms: Remember
Difficulty: 1 Easy
Learning Outcome: 5.3 Recognize equivalent measures used in dosage calculations.
Topic: Equivalent Measures

 

25. Which of the following statements about USP units is true?
    A. USP units are most often used to measure older drugs such as morphine and aspirin.
    B.  The size of a USP unit varies for each drug.
    C.  USP units can easily be converted to milliequivalents.
    D.  USP units are the same as international units.

A USP unit is the amount of medication required to produce a certain effect, so it differs for each type of drug. International units are similar to USP units, but international units are standardized by international agreement.

 

ASHP: 12.1.a Explain the use of Roman numerals, Arabic numbers, fractions, decimals, and apothecary symbols.
Accessibility: Keyboard Navigation
Blooms: Understand
Difficulty: 2 Medium
Learning Outcome: 5.3 Recognize equivalent measures used in dosage calculations.
Topic: Equivalent Measures

 

26. An infant weighed 7 lb, 6 oz at birth. During the first week, she gained 4 oz; during the second week, she gained 6 oz; during the third week, she gained 7 oz; and during the fourth week, she gained 7 oz. How much did she weigh at the end of the 4 weeks?
    A. 8 lb, 2 oz
    B.  8 lb, 7 oz
    C.  8 lb, 14 oz
    D.  9 lb, 2 oz

1 lb = 16 oz

At birth, the infant weighed (7 lb ´ 16 oz/lb) + 6 oz = 118 oz

The infant gained 4 oz + 6 oz + 7 oz + 7 oz = 24 oz

118 oz + 24 oz = 142 oz at the end of 4 weeks

0.875 lb ´ 16 oz/lb = 14 oz

The baby weighs 8 lb, 14 oz.

 

ASHP: 12.1.b Demonstrate how to convert weights and measures, and direct ratio and proportion.
ASHP: 28.3.b Correctly solve mathematical problems involving conversion of weights and measures and direct ratio and proportion.
Blooms: Apply
CAAHEP: II.C.5 Convert among measurement systems.
Difficulty: 3 Hard
Learning Outcome: 5.2 Write measurements and equivalent measures using the household system.
Topic: Household System

 

27. A stock bottle of liquid medication contains 2 pints of medication. At different times, 6 doses of 2 tbsp were removed from the bottle. How many fluid ounces of medication remain in the bottle?
    A. 10 fl oz
    B.  14 fl oz
    C.  20 fl oz
    D.  26 fl oz

1 pint = 16 fl oz, so 2 pints = 16 ´ 2 = 32 fl oz originally in the bottle.

6 doses ´ 2 tbsp/dose = 12 tbsp removed from the bottle.

1 fl oz = 2 tbsp

1 fl oz : 2 tbsp = x : 12 tbsp

2 ´ x = 1 ´ 12

2x = 12 fl oz

x = 6 fl oz

32 fl oz – 6 fl oz = 26 oz remaining in the bottle

 

ASHP: 12.1.b Demonstrate how to convert weights and measures, and direct ratio and proportion.
ASHP: 28.3.b Correctly solve mathematical problems involving conversion of weights and measures and direct ratio and proportion.
Blooms: Apply
CAAHEP: II.C.5 Convert among measurement systems.
Difficulty: 3 Hard
Learning Outcome: 5.2 Write measurements and equivalent measures using the household system.
Topic: Household System

 

28. At a wellness checkup in June, a 2-year-old child weighed 22 lb, 4 oz. By September, the child had gained 1 lb, 12 oz, and by December the child had gained another 1 lb, 8 oz. How much did the child weigh at the December checkup?
    A. 24 lb, 14 oz
    B.  25 lb, 2 oz
    C.  25 lb, 8 oz
    D.  25 lb, 12 oz

Add the whole numbers first: 22 lb + 1 lb + 1 lb = 24 lb

Next, add the ounces: 4 oz + 12 oz + 8 oz = 24 oz

Convert 24 oz to pounds:

1 lb = 16 oz

1 lb : 16 oz = x : 24 oz

16x = 1 ´ 24

16x ¸ 16 = 24 ¸ 16

x = 1.5 lb

Add the two numbers: 24 lb + 1.5 lb = 25.5 lb

Convert 0.5 lb to ounces:

1 lb : 16 oz = 0.5 lb : x

x = 16 ´ 0.5

x = 8

The child weighs 25 lb, 8 oz.

 

ASHP: 12.1.b Demonstrate how to convert weights and measures, and direct ratio and proportion.
ASHP: 28.3.b Correctly solve mathematical problems involving conversion of weights and measures and direct ratio and proportion.
Blooms: Apply
CAAHEP: II.C.5 Convert among measurement systems.
Difficulty: 3 Hard
Learning Outcome: 5.2 Write measurements and equivalent measures using the household system.
Topic: Household System

 

29. During the last 8 hours, a hospital patient drank 2 cups of water, 8 ounces of orange juice, and 12 ounces of coffee. He has also received 640 mL of fluid through an IV. Altogether, how many liters of fluid has the patient received during the 8 hours?
    A. 1.96 L
    B.  2.34 L
    C.  2.58 L
    D.  3.42 L

1 cup = 8 fl oz, so the patient drank 3 cups ´ 8 fl oz/cup = 24 oz of water

24 fl oz water + 8 fl oz juice + 12 fl oz coffee = 44 fl oz total fluid by mouth

Convert total fluid by mouth to milliliters:

1 fl oz = 30 mL

1 fl oz : 30 mL = 44 fl oz : x

1 ´ x = 30 ´ 44

x = 1,320 mL

Add the totals by mouth and IV: 1,320 mL + 640 mL = 1,960 mL

Convert to liters by moving the decimal point three places to the left, and remove the trailing zero: 1.96 L

 

ABHES: 6.b Demonstrate accurate occupational math and metric conversions for proper medication administration.
ASHP: 25.3.c Accurately convert from one measurement system to another as needed.
ASHP: 28.3.b Correctly solve mathematical problems involving conversion of weights and measures and direct ratio and proportion.
Blooms: Apply
CAAHEP: II.C.5 Convert among measurement systems.
Difficulty: 3 Hard
Learning Outcome: 5.3 Recognize equivalent measures used in dosage calculations.
Topic: Equivalent Measures

 

30. The correct abbreviation for minims in the apothecary system is
    A. min.
    B.  mn.
    C.  mi.
    D.  minim.

The word minim is written out and is not abbreviated.

 

ABHES: 3.d Define and use medical abbreviations when appropriate and acceptable
ASHP: 11.1.b Identify the correct medical term for given abbreviations.
Accessibility: Keyboard Navigation
Blooms: Remember
CAAHEP: II.C.6 Identify both abbreviations and symbols used in calculating medication dosages.
Difficulty: 1 Easy
Learning Outcome: 5.1 Write measurements and equivalent measures using the apothecary system.
Topic: Apothecary System

31. The notation gr vii means
    A. 3 grams.
    B.  3 grains.
    C.  7 grams.
    D.  7 grains.

The Roman numeral vii equals 7 in Arabic numbers, and gr is the abbreviation for grains.

 

ABHES: 3.d Define and use medical abbreviations when appropriate and acceptable
ASHP: 11.1.b Identify the correct medical term for given abbreviations.
ASHP: 12.1.a Explain the use of Roman numerals, Arabic numbers, fractions, decimals, and apothecary symbols.
Accessibility: Keyboard Navigation
Blooms: Remember
CAAHEP: II.C.6 Identify both abbreviations and symbols used in calculating medication dosages.
Difficulty: 1 Easy
Learning Outcome: 5.1 Write measurements and equivalent measures using the apothecary system.
Topic: Apothecary System

 

32. Which of the following is a standard abbreviation for teaspoon?
    A. tbsp
    B.  tbs
    C.  t
    D.  T

Teaspoon can be abbreviated tsp or t. A capital T refers to tablespoons.

 

ABHES: 3.d Define and use medical abbreviations when appropriate and acceptable
ASHP: 11.1.b Identify the correct medical term for given abbreviations.
Accessibility: Keyboard Navigation
Blooms: Remember
CAAHEP: II.C.6 Identify both abbreviations and symbols used in calculating medication dosages.
Difficulty: 1 Easy
Learning Outcome: 5.2 Write measurements and equivalent measures using the household system.
Topic: Household System

33. The standard abbreviation for a gallon in the household system of measurement is
    A. G.
    B.  gal.
    C.  GL.
    D.  gallon.

The standard abbreviation for gallon is gal.

 

ABHES: 3.d Define and use medical abbreviations when appropriate and acceptable
ASHP: 11.1.b Identify the correct medical term for given abbreviations.
Accessibility: Keyboard Navigation
Blooms: Remember
CAAHEP: II.C.6 Identify both abbreviations and symbols used in calculating medication dosages.
Difficulty: 1 Easy
Learning Outcome: 5.2 Write measurements and equivalent measures using the household system.
Topic: Household System

 

34. A prescription specifies that an infant should be given 8 minims of a liquid medication 3 times a day for 14 days. The pharmacist will fill the prescription to the nearest dram. How many drams will the pharmacist supply?
    A. 4
    B.  5
    C.  6
    D.  7

8 minims three times a day = 8 ´ 3 = 24 minims per day ´ 14 days = 336 minims

1 dram = 60 minims

1 dram : 60 minims = x : 336 minims

1 ´ 336 = 60 ´ x

336 ¸ 60 = 60x ¸ 60

5.6 = x

The nearest whole number of drams is 6 drams.

 

ASHP: 12.1.b Demonstrate how to convert weights and measures, and direct ratio and proportion.
ASHP: 28.3.b Correctly solve mathematical problems involving conversion of weights and measures and direct ratio and proportion.
Blooms: Apply
CAAHEP: II.C.2 Apply mathematical computations to solve equations.
Difficulty: 2 Medium
Learning Outcome: 5.1 Write measurements and equivalent measures using the apothecary system.
Topic: Apothecary System

 

35. The correct household notation for 3 drops is
    A. 3 d.
    B.  3 dr.
    C.  3 gtt.
    D.  3 drps.

The correct abbreviation for drops is gt (drop) or gtt (drops).

 

ABHES: 3.d Define and use medical abbreviations when appropriate and acceptable
ASHP: 11.1.b Identify the correct medical term for given abbreviations.
Accessibility: Keyboard Navigation
Blooms: Remember
CAAHEP: II.C.6 Identify both abbreviations and symbols used in calculating medication dosages.
Difficulty: 1 Easy
Learning Outcome: 5.2 Write measurements and equivalent measures using the household system.
Topic: Household System

 

Fill in the Blank Questions

36. Write one grain using correct notation: _______________.
    gr i

Lowercase Roman numerals are used in the apothecary system. The abbreviation for grains is gr, which is written before the quantity.

 

ABHES: 3.d Define and use medical abbreviations when appropriate and acceptable
ASHP: 11.1.b Identify the correct medical term for given abbreviations.
ASHP: 12.1.a Explain the use of Roman numerals, Arabic numbers, fractions, decimals, and apothecary symbols.
Blooms: Remember
CAAHEP: II.C.6 Identify both abbreviations and symbols used in calculating medication dosages.
Difficulty: 1 Easy
Learning Outcome: 5.1 Write measurements and equivalent measures using the apothecary system.
Topic: Apothecary System

 

Convert 30 mg to grains: _______________ (use appropriate unit notation).

gr ss

 

Using gr i = 60 mg;

1 ´ 30 = 60 ´ x

30 = 60x

30 ¸ 60 = 60x ¸ 60

x = 0.5 or  = gr ss in apothecary notation

 

ABHES: 3.d Define and use medical abbreviations when appropriate and acceptable
ABHES: 6.b Demonstrate accurate occupational math and metric conversions for proper medication administration.
ASHP: 11.1.b Identify the correct medical term for given abbreviations.
ASHP: 12.1.a Explain the use of Roman numerals, Arabic numbers, fractions, decimals, and apothecary symbols.
ASHP: 25.3.c Accurately convert from one measurement system to another as needed.
Blooms: Apply
CAAHEP: II.C.5 Convert among measurement systems.
CAAHEP: II.C.6 Identify both abbreviations and symbols used in calculating medication dosages.
Difficulty: 2 Medium
Learning Outcome: 5.3 Recognize equivalent measures used in dosage calculations.
Topic: Equivalent Measures

 

Convert 2,400 mg to grains: _______________ (use appropriate unit notation).

gr xl

 

Using gr i = 60 mg

gr 1 : 60 mg = x : 2,400 mg

1 ´ 2,400 = 60 ´ x

2,400 = 60x

2,400 ¸ 60 = 60x ¸ 60

gr 40 = x or gr xl in apothecary notation

 

ABHES: 3.d Define and use medical abbreviations when appropriate and acceptable
ABHES: 6.b Demonstrate accurate occupational math and metric conversions for proper medication administration.
ASHP: 11.1.b Identify the correct medical term for given abbreviations.
ASHP: 12.1.a Explain the use of Roman numerals, Arabic numbers, fractions, decimals, and apothecary symbols.
ASHP: 25.3.c Accurately convert from one measurement system to another as needed.
Blooms: Apply
CAAHEP: II.C.5 Convert among measurement systems.
CAAHEP: II.C.6 Identify both abbreviations and symbols used in calculating medication dosages.
Difficulty: 2 Medium
Learning Outcome: 5.3 Recognize equivalent measures used in dosage calculations.
Topic: Equivalent Measures

 

Convert 8.4 grains to milligrams: _______________ (use appropriate unit notation).

 

504 mg

 

Using gr i = 60 mg

60 mg : gr 1 = x : gr 8.4

60 ´ 8.4 = 1 ´ x

504 mg = x

 

ABHES: 3.d Define and use medical abbreviations when appropriate and acceptable
ABHES: 6.b Demonstrate accurate occupational math and metric conversions for proper medication administration.
ASHP: 11.1.b Identify the correct medical term for given abbreviations.
ASHP: 25.3.c Accurately convert from one measurement system to another as needed.
Blooms: Apply
CAAHEP: II.C.5 Convert among measurement systems.
CAAHEP: II.C.6 Identify both abbreviations and symbols used in calculating medication dosages.
Difficulty: 2 Medium
Learning Outcome: 5.3 Recognize equivalent measures used in dosage calculations.
Topic: Equivalent Measures

 

Convert 352 pounds to kilograms: _______________ (use appropriate unit notation).

 

160 kg

 

1 kg = 2.2 lb

1 kg : 2.2 lb = x : 352 lb

1 ´ 352 = 2.2 ´ x

352 = 2.2x

352 ¸ 2.2 = 2.2x ¸ 2.2

160 kg = x

 

ABHES: 3.d Define and use medical abbreviations when appropriate and acceptable
ABHES: 6.b Demonstrate accurate occupational math and metric conversions for proper medication administration.
ASHP: 11.1.b Identify the correct medical term for given abbreviations.
ASHP: 25.3.c Accurately convert from one measurement system to another as needed.
Blooms: Apply
CAAHEP: II.C.5 Convert among measurement systems.
CAAHEP: II.C.6 Identify both abbreviations and symbols used in calculating medication dosages.
Difficulty: 2 Medium
Learning Outcome: 5.3 Recognize equivalent measures used in dosage calculations.
Topic: Equivalent Measures

 

Convert 70 kg to pounds: _______________ (use appropriate unit notation).

 

154 lb

 

2.2 lb = 1 kg

2.2 lb : 1 kg = x : 70 kg

2.2 ´ 70 = 1 ´ x

154 lb = x

 

ABHES: 3.d Define and use medical abbreviations when appropriate and acceptable
ABHES: 6.b Demonstrate accurate occupational math and metric conversions for proper medication administration.
ASHP: 11.1.b Identify the correct medical term for given abbreviations.
ASHP: 25.3.c Accurately convert from one measurement system to another as needed.
Blooms: Apply
CAAHEP: II.C.5 Convert among measurement systems.
CAAHEP: II.C.6 Identify both abbreviations and symbols used in calculating medication dosages.
Difficulty: 2 Medium
Learning Outcome: 5.3 Recognize equivalent measures used in dosage calculations.
Topic: Equivalent Measures

 

Convert 279 lb to kilograms: _______________ (round to the nearest tenth and use appropriate unit notation).

 

126.8 kg

 

1 kg = 2.2 lb

2.2 lb : 1 kg = 279 lb : x

2.2 ´ x = 1 ´ 279

2.2x = 297

2.2x ¸ 2.2 = 279 ¸ 2.2

x = 126.8 kg

 

ABHES: 3.d Define and use medical abbreviations when appropriate and acceptable
ABHES: 6.b Demonstrate accurate occupational math and metric conversions for proper medication administration.
ASHP: 11.1.b Identify the correct medical term for given abbreviations.
ASHP: 25.3.c Accurately convert from one measurement system to another as needed.
Blooms: Apply
CAAHEP: II.C.5 Convert among measurement systems.
CAAHEP: II.C.6 Identify both abbreviations and symbols used in calculating medication dosages.
Difficulty: 2 Medium
Learning Outcome: 5.3 Recognize equivalent measures used in dosage calculations.
Topic: Equivalent Measures

 

Convert 220 lb to kilograms: _______________ (use appropriate unit notation).

 

100 kg

 

1 kg = 2.2 lb

1 kg : 2.2 lb = x : 220 lb

220 ´ 1 = 2.2 ´ x

220 = 2.2x

220 ¸ 2.2 = 2.2x ¸ 2.2

100 kg = x

 

ABHES: 3.d Define and use medical abbreviations when appropriate and acceptable
ABHES: 6.b Demonstrate accurate occupational math and metric conversions for proper medication administration.
ASHP: 11.1.b Identify the correct medical term for given abbreviations.
ASHP: 25.3.c Accurately convert from one measurement system to another as needed.
Blooms: Apply
CAAHEP: II.C.5 Convert among measurement systems.
CAAHEP: II.C.6 Identify both abbreviations and symbols used in calculating medication dosages.
Difficulty: 2 Medium
Learning Outcome: 5.3 Recognize equivalent measures used in dosage calculations.
Topic: Equivalent Measures

 

Convert 139 kg to pounds: _______________ (round to the nearest tenth and use appropriate unit notation).

 

305.8 lb

 

2.2 lb = 1 kg

2.2 lb : 1 kg = x : 139 kg

2.2 ´ 139 = 1 ´ x

305.8 lb = x

 

ABHES: 3.d Define and use medical abbreviations when appropriate and acceptable
ABHES: 6.b Demonstrate accurate occupational math and metric conversions for proper medication administration.
ASHP: 11.1.b Identify the correct medical term for given abbreviations.
ASHP: 25.3.c Accurately convert from one measurement system to another as needed.
Blooms: Apply
CAAHEP: II.C.5 Convert among measurement systems.
CAAHEP: II.C.6 Identify both abbreviations and symbols used in calculating medication dosages.
Difficulty: 2 Medium
Learning Outcome: 5.3 Recognize equivalent measures used in dosage calculations.
Topic: Equivalent Measures

 

Convert 20 kg to pounds: _______________ (use appropriate unit notation).

 

44 lb

 

2.2 lb = 1 kg

2.2 lb : 1 kg = x : 20 kg

2.2 lb ´ 20 kg = 1 kg ´ x

44 lb = x

 

ABHES: 3.d Define and use medical abbreviations when appropriate and acceptable
ABHES: 6.b Demonstrate accurate occupational math and metric conversions for proper medication administration.
ASHP: 11.1.b Identify the correct medical term for given abbreviations.
ASHP: 25.3.c Accurately convert from one measurement system to another as needed.
Blooms: Apply
CAAHEP: II.C.5 Convert among measurement systems.
CAAHEP: II.C.6 Identify both abbreviations and symbols used in calculating medication dosages.
Difficulty: 2 Medium
Learning Outcome: 5.3 Recognize equivalent measures used in dosage calculations.
Topic: Equivalent Measures

 

Convert 90 mL to drams: _______________ (use appropriate unit notation).

 

18 drams

 

15 mL = 3 drams

3 drams : 15 mL = x : 90 mL

3 ´ 90 = 15 ´ x 270 = 15x

270 ¸ 15 = 15x ´ 15

18 = x

 

ABHES: 3.d Define and use medical abbreviations when appropriate and acceptable
ABHES: 6.b Demonstrate accurate occupational math and metric conversions for proper medication administration.
ASHP: 11.1.b Identify the correct medical term for given abbreviations.
ASHP: 25.3.c Accurately convert from one measurement system to another as needed.
Blooms: Apply
CAAHEP: II.C.5 Convert among measurement systems.
CAAHEP: II.C.6 Identify both abbreviations and symbols used in calculating medication dosages.
Difficulty: 2 Medium
Learning Outcome: 5.3 Recognize equivalent measures used in dosage calculations.
Topic: Equivalent Measures

 

Convert 16 drams to milliliters: _______________ (use appropriate unit notation).

 

60 mL

 

8 drams = 1 fl oz = 30 mL

8 drams : 30 mL = 16 drams : x

8x = 30 mL ´ 16

8x = 480 mL

x = 60 mL

 

ABHES: 3.d Define and use medical abbreviations when appropriate and acceptable
ABHES: 6.b Demonstrate accurate occupational math and metric conversions for proper medication administration.
ASHP: 11.1.b Identify the correct medical term for given abbreviations.
ASHP: 25.3.c Accurately convert from one measurement system to another as needed.
Blooms: Apply
CAAHEP: II.C.5 Convert among measurement systems.
CAAHEP: II.C.6 Identify both abbreviations and symbols used in calculating medication dosages.
Difficulty: 2 Medium
Learning Outcome: 5.1 Write measurements and equivalent measures using the apothecary system.
Learning Outcome: 5.3 Recognize equivalent measures used in dosage calculations.
Topic: Apothecary System
Topic: Equivalent Measures

 

Convert 17 oz to milliliters: _______________ (use appropriate unit notation).

 

510 mL

 

30 mL = 1 oz, so 30 mL : 1 oz = x : 17 oz

30 ´ 17 = 1 ´ x

510 = x

 

ABHES: 3.d Define and use medical abbreviations when appropriate and acceptable
ABHES: 6.b Demonstrate accurate occupational math and metric conversions for proper medication administration.
ASHP: 11.1.b Identify the correct medical term for given abbreviations.
ASHP: 25.3.c Accurately convert from one measurement system to another as needed.
Blooms: Apply
CAAHEP: II.C.5 Convert among measurement systems.
CAAHEP: II.C.6 Identify both abbreviations and symbols used in calculating medication dosages.
Difficulty: 2 Medium
Learning Outcome: 5.3 Recognize equivalent measures used in dosage calculations.
Topic: Equivalent Measures

 

Convert 1,560 mL to ounces: _______________ (use appropriate unit notation).

 

52 oz

 

1 oz = 30 mL, so 1 oz : 30 mL = x : 1,560 mL

1 ´ 1,560 = 30 ´ x

1,560 = 30x

1,560 ¸ 30 = 30x ¸ 30

52 = x

 

ABHES: 3.d Define and use medical abbreviations when appropriate and acceptable
ABHES: 6.b Demonstrate accurate occupational math and metric conversions for proper medication administration.
ASHP: 11.1.b Identify the correct medical term for given abbreviations.
ASHP: 25.3.c Accurately convert from one measurement system to another as needed.
Blooms: Apply
CAAHEP: II.C.5 Convert among measurement systems.
CAAHEP: II.C.6 Identify both abbreviations and symbols used in calculating medication dosages.
Difficulty: 2 Medium
Learning Outcome: 5.3 Recognize equivalent measures used in dosage calculations.
Topic: Equivalent Measures

 

Convert 10 oz to milliliters: _______________ (use appropriate unit notation).

 

300 mL

 

1 oz = 30 mL, so 30 mL : 1 oz = x : 10 oz

30 ´ 10 = 1 ´ x

300 = x

 

ABHES: 3.d Define and use medical abbreviations when appropriate and acceptable
ABHES: 6.b Demonstrate accurate occupational math and metric conversions for proper medication administration.
ASHP: 11.1.b Identify the correct medical term for given abbreviations.
ASHP: 25.3.c Accurately convert from one measurement system to another as needed.
Blooms: Apply
CAAHEP: II.C.5 Convert among measurement systems.
CAAHEP: II.C.6 Identify both abbreviations and symbols used in calculating medication dosages.
Difficulty: 2 Medium
Learning Outcome: 5.3 Recognize equivalent measures used in dosage calculations.
Topic: Equivalent Measures

 

Convert 78 mL to ounces: _______________ (round to the nearest tenth and use appropriate unit notation).

 

2.6 oz  or  
02.60 oz  or  
02.6 oz  or  
2.60 oz

 

1 oz = 30 mL, so 1 oz : 30 mL = x : 78 mL

1 ´ 78 = 30 ´ x

78 = 30x

78 ¸ 30 = 30x ¸ 30

2.6 = x

 

ABHES: 3.d Define and use medical abbreviations when appropriate and acceptable
ABHES: 6.b Demonstrate accurate occupational math and metric conversions for proper medication administration.
ASHP: 11.1.b Identify the correct medical term for given abbreviations.
ASHP: 25.3.c Accurately convert from one measurement system to another as needed.
Blooms: Apply
CAAHEP: II.C.5 Convert among measurement systems.
CAAHEP: II.C.6 Identify both abbreviations and symbols used in calculating medication dosages.
Difficulty: 2 Medium
Learning Outcome: 5.3 Recognize equivalent measures used in dosage calculations.
Topic: Equivalent Measures

 

Convert 36 oz to liters: _______________ (round to the nearest hundredth and use appropriate unit notation).

1.08 L  or  
1.080 L

 

30 mL = 1 oz

30 mL : 1 oz = x : 36 oz

30 ´ 36 = 1 ´ x

1,080 mL = x

1,000 mL = 1 L

1,080 mL: x = 1,000 mL : 1 L

1,080 ´ 1 = x ´ 1,000

1,080 = 1,000x

1,080 ¸ 1,000 = 1,000x ¸ 1,000

1.08 L = x

 

ABHES: 3.d Define and use medical abbreviations when appropriate and acceptable
ABHES: 6.b Demonstrate accurate occupational math and metric conversions for proper medication administration.
ASHP: 11.1.b Identify the correct medical term for given abbreviations.
ASHP: 25.3.c Accurately convert from one measurement system to another as needed.
Blooms: Apply
CAAHEP: II.C.5 Convert among measurement systems.
CAAHEP: II.C.6 Identify both abbreviations and symbols used in calculating medication dosages.
Difficulty: 3 Hard
Learning Outcome: 5.3 Recognize equivalent measures used in dosage calculations.
Topic: Equivalent Measures

 

Worksheet Questions

The patient is supposed to take 5 mL of medication 4 times per day for 6 days. The pharmacist should dispense _______________ to the patient.

 

 

4 oz

 

ABHES: 3.d Define and use medical abbreviations when appropriate and acceptable
ABHES: 6.b Demonstrate accurate occupational math and metric conversions for proper medication administration.
ASHP: 11.1.b Identify the correct medical term for given abbreviations.
ASHP: 25.3.c Accurately convert from one measurement system to another as needed.
Blooms: Apply
CAAHEP: II.C.5 Convert among measurement systems.
CAAHEP: II.C.6 Identify both abbreviations and symbols used in calculating medication dosages.
Difficulty: 2 Medium
Learning Outcome: 5.3 Recognize equivalent measures used in dosage calculations.
Topic: Equivalent Measures

Last year, the patient weighed 190 kg. Ten months after surgery, the patient had lost 176 lb. The patient now weighs _______________.

 

110 kg

 

ABHES: 3.d Define and use medical abbreviations when appropriate and acceptable
ABHES: 6.b Demonstrate accurate occupational math and metric conversions for proper medication administration.
ASHP: 11.1.b Identify the correct medical term for given abbreviations.
ASHP: 25.3.c Accurately convert from one measurement system to another as needed.
Blooms: Apply
CAAHEP: II.C.5 Convert among measurement systems.
CAAHEP: II.C.6 Identify both abbreviations and symbols used in calculating medication dosages.
Difficulty: 3 Hard
Learning Outcome: 5.3 Recognize equivalent measures used in dosage calculations.
Topic: Equivalent Measures

The patient’s plan of care is to gain 2 lb each month for the next 4 months. He now weighs 40 kg. At the end of 4 months, the patient should weigh _______________.

 

96 pounds

 

ABHES: 3.d Define and use medical abbreviations when appropriate and acceptable
ABHES: 6.b Demonstrate accurate occupational math and metric conversions for proper medication administration.
ASHP: 11.1.b Identify the correct medical term for given abbreviations.
ASHP: 25.3.c Accurately convert from one measurement system to another as needed.
Blooms: Apply
CAAHEP: II.C.5 Convert among measurement systems.
CAAHEP: II.C.6 Identify both abbreviations and symbols used in calculating medication dosages.

 

Difficulty: 3 Hard
Learning Outcome: 5.3 Recognize equivalent measures used in dosage calculations.
Topic: Equivalent Measures

The patient is ordered 3 tsp of medicine 3 times per day. The patient should take _______________ per each dose of medication.

 

15 mL

 

ABHES: 3.d Define and use medical abbreviations when appropriate and acceptable
ABHES: 6.b Demonstrate accurate occupational math and metric conversions for proper medication administration.
ASHP: 11.1.b Identify the correct medical term for given abbreviations.
ASHP: 25.3.c Accurately convert from one measurement system to another as needed.
Blooms: Apply
CAAHEP: II.C.5 Convert among measurement systems.
CAAHEP: II.C.6 Identify both abbreviations and symbols used in calculating medication dosages.
Difficulty: 2 Medium
Learning Outcome: 5.3 Recognize equivalent measures used in dosage calculations.
Topic: Equivalent Measures

Mrs. Adamson is to take 2 tablespoons of a medication every 6 hours for 10 days. The pharmacy will have to dispense _______________ for this prescription.

 

40 ounces

 

ABHES: 3.d Define and use medical abbreviations when appropriate and acceptable
ABHES: 6.b Demonstrate accurate occupational math and metric conversions for proper medication administration.
ASHP: 11.1.b Identify the correct medical term for given abbreviations.
ASHP: 25.3.c Accurately convert from one measurement system to another as needed.
Blooms: Apply
CAAHEP: II.C.5 Convert among measurement systems.
CAAHEP: II.C.6 Identify both abbreviations and symbols used in calculating medication dosages.
Difficulty: 3 Hard
Learning Outcome: 5.3 Recognize equivalent measures used in dosage calculations.
Topic: Equivalent Measures

Max is to take 25 mL of a medication. However, he will be using a teaspoon at home. This dose will be _______________.

 

 

5 tsp

 

ABHES: 3.d Define and use medical abbreviations when appropriate and acceptable
ABHES: 6.b Demonstrate accurate occupational math and metric conversions for proper medication administration.
ASHP: 11.1.b Identify the correct medical term for given abbreviations.
ASHP: 25.3.c Accurately convert from one measurement system to another as needed.
Blooms: Apply
CAAHEP: II.C.5 Convert among measurement systems.
CAAHEP: II.C.6 Identify both abbreviations and symbols used in calculating medication dosages.
Difficulty: 3 Hard
Learning Outcome: 5.3 Recognize equivalent measures used in dosage calculations.
Topic: Equivalent Measures

The physician writes an order for a patient to force fluids to 2.7 L per day. The patient will use a household measure and should be told to drink _______________ of fluids per day.

 

If the answer results in a mixed number be sure to include a space between the whole number and the fraction. Example: 1 1/4 (read as one and one-fourth).

 

11 1/4 cups

 

ABHES: 3.d Define and use medical abbreviations when appropriate and acceptable
ABHES: 6.b Demonstrate accurate occupational math and metric conversions for proper medication administration.
ASHP: 11.1.b Identify the correct medical term for given abbreviations.
ASHP: 25.3.c Accurately convert from one measurement system to another as needed.
Blooms: Apply
CAAHEP: II.C.5 Convert among measurement systems.
CAAHEP: II.C.6 Identify both abbreviations and symbols used in calculating medication dosages.
Difficulty: 3 Hard
Learning Outcome: 5.3 Recognize equivalent measures used in dosage calculations.
Topic: Equivalent Measures

Write sixty-six milliequivalents using the correct notation: _______________.

66 mEq

 

ABHES: 3.d Define and use medical abbreviations when appropriate and acceptable
ASHP: 11.1.b Identify the correct medical term for given abbreviations.
ASHP: 12.1.g Demonstrate use of milliequivalents.
ASHP: 28.3.h Correctly solve mathematical problems involving milliequivalents.
Blooms: Remember
CAAHEP: II.C.6 Identify both abbreviations and symbols used in calculating medication dosages.
Difficulty: 1 Easy

 

Learning Outcome: 5.3 Recognize equivalent measures used in dosage calculations.
Topic: Equivalent Measures

The pharmacist dispenses 18 fluid ounces of a medication to fill a patient’s prescription. The directions on the bottle say to take 3 tbsp every 4 hours. The bottle contains _______________ of the medication.

 

12 doses

 

ASHP: 12.1.b Demonstrate how to convert weights and measures, and direct ratio and proportion.
ASHP: 28.3.b Correctly solve mathematical problems involving conversion of weights and measures and direct ratio and proportion.
Blooms: Apply
CAAHEP: II.C.5 Convert among measurement systems.
Difficulty: 3 Hard
Learning Outcome: 5.2 Write measurements and equivalent measures using the household system.
Topic: Household System

A patient is instructed to take 2 tsp of a medication every 8 hours for 30 days. The patient have taken _______________ of the medication by the end of the 30 days (round to the nearest hundredth).

 

1.88 pints

 

ASHP: 12.1.b Demonstrate how to convert weights and measures, and direct ratio and proportion.
ASHP: 28.3.b Correctly solve mathematical problems involving conversion of weights and measures and direct ratio and proportion.
Blooms: Apply
CAAHEP: II.C.5 Convert among measurement systems.
Difficulty: 3 Hard
Learning Outcome: 5.2 Write measurements and equivalent measures using the household system.
Topic: Household System

 

Fill in the Blank Questions
 

In the apothecary system, 60 minims is equal to 1 _______________.

dram

One dram in the apothecary system equals 60 minims.

 

ASHP: 12.1.b Demonstrate how to convert weights and measures, and direct ratio and proportion.
Blooms: Remember
CAAHEP: II.C.5 Convert among measurement systems.
Difficulty: 1 Easy
Learning Outcome: 5.1 Write measurements and equivalent measures using the apothecary system.
Topic: Apothecary System

 

A 325 mg aspirin tablet contains 5 grains of aspirin. How many household ounces is this? _________ (round the answer to the nearest ten thousandth and use correct notation)

0.0104 oz  or  
.0104 oz

 

Ounces are equal in the apothecary and household systems.

1 oz = 480 gr

1 oz : 480 gr = x : 5 gr

1 ´ 5 = 480x

5 ¸ 480 = 480x ¸ 480

0.0104167 = x

Rounded to the nearest ten thousandth: 0.0104 oz

 

ASHP: 12.1.b Demonstrate how to convert weights and measures, and direct ratio and proportion.
Blooms: Apply
CAAHEP: II.C.5 Convert among measurement systems.
Difficulty: 2 Medium
Learning Outcome: 5.1 Write measurements and equivalent measures using the apothecary system.
Learning Outcome: 5.2 Write measurements and equivalent measures using the household system.
Topic: Apothecary System
Topic: Household System

 

Worksheet Questions

65. The physician tells a patient to be sure to drink at least 8 cups of water every day. Following these instructions, the patient will drink _______________ of water each day.

 

64 fl oz

 

ASHP: 12.1.b Demonstrate how to convert weights and measures, and direct ratio and proportion.

 

ASHP: 28.3.b Correctly solve mathematical problems involving conversion of weights and measures and direct ratio and proportion.
Blooms: Apply
CAAHEP: II.C.2 Apply mathematical computations to solve equations.
Difficulty: 2 Medium
Learning Outcome: 5.2 Write measurements and equivalent measures using the household system.
Topic: Household System

 

Fill in the Blank Questions

Convert 80 fluid ounces to pints: _______________ (use appropriate unit notation).

 

5 pt

 

1 pint = 16 fluid ounces

1 pt : 16 fl oz = x : 80 fl oz

1 ´ 80 = 16 ´ x

80 ¸ 16 = 16x ¸ 16

5 = x

 

ASHP: 12.1.b Demonstrate how to convert weights and measures, and direct ratio and proportion.
ASHP: 28.3.b Correctly solve mathematical problems involving conversion of weights and measures and direct ratio and proportion.
Blooms: Apply
CAAHEP: II.C.2 Apply mathematical computations to solve equations.
Difficulty: 2 Medium
Learning Outcome: 5.2 Write measurements and equivalent measures using the household system.
Topic: Household System

 

Convert 216 drams to fluid ounces: _______________ (use appropriate unit notation).

 

27 fluid ounces  or  
27 fl oz  or  
27 ounces

 

8 drams = 1 fluid ounce

8 drams : 1 fl oz = 216 drams : x

8x = 216

8x ¸ 8 = 216 ¸ 8

x = 27 fl oz

 

ASHP: 12.1.b Demonstrate how to convert weights and measures, and direct ratio and proportion.
ASHP: 28.3.b Correctly solve mathematical problems involving conversion of weights and measures and direct ratio and proportion.
Blooms: Apply
CAAHEP: II.C.2 Apply mathematical computations to solve equations.
Difficulty: 2 Medium
Learning Outcome: 5.1 Write measurements and equivalent measures using the apothecary system.
Topic: Apothecary System

 

Convert 780 minims to drams: _______________ (use appropriate unit notation).

 

13 drams

 

60 minims = 1 dram

60 minims : 1 dram = 780 minims : x

60x = 780

60x ¸ 60 = 780 ¸ 60

x = 13 drams

 

ASHP: 12.1.b Demonstrate how to convert weights and measures, and direct ratio and proportion.
ASHP: 28.3.b Correctly solve mathematical problems involving conversion of weights and measures and direct ratio and proportion.
Blooms: Apply
CAAHEP: II.C.2 Apply mathematical computations to solve equations.
Difficulty: 2 Medium
Learning Outcome: 5.1 Write measurements and equivalent measures using the apothecary system.
Topic: Apothecary System

 

Convert 18 tablespoons to fluid ounces: _______________ (use appropriate unit notation).

 

9 fl oz

 

1 fl oz = 2 tbsp

Method 1:

Method 2:

1 fl oz : 2 tbsp = x : 18 tbsp

18 = 2x

9 = x

 

ASHP: 12.1.b Demonstrate how to convert weights and measures, and direct ratio and proportion.
ASHP: 28.3.b Correctly solve mathematical problems involving conversion of weights and measures and direct ratio and proportion.
Blooms: Apply
CAAHEP: II.C.2 Apply mathematical computations to solve equations.
Difficulty: 1 Easy
Learning Outcome: 5.2 Write measurements and equivalent measures using the household system.
Topic: Household System

 

Convert  tbsp to milliliters: _______________ (round to the nearest tenth and use appropriate unit notation).

 

97.5 mL  or  
97.50 mL

 

1 tbsp = 15 mL

1 tbsp : 15 mL = 6.5 tbsp : x

x = 15 ´ 6.5

x = 97.5 mL

 

ABHES: 3.d Define and use medical abbreviations when appropriate and acceptable
ABHES: 6.b Demonstrate accurate occupational math and metric conversions for proper medication administration.
ASHP: 11.1.b Identify the correct medical term for given abbreviations.
ASHP: 25.3.c Accurately convert from one measurement system to another as needed.
Blooms: Apply
CAAHEP: II.C.5 Convert among measurement systems.
CAAHEP: II.C.6 Identify both abbreviations and symbols used in calculating medication dosages.
Difficulty: 2 Medium
Learning Outcome: 5.3 Recognize equivalent measures used in dosage calculations.
Topic: Equivalent Measures

 

Convert  pounds to grams: ______________ (round to the nearest gram and use appropriate unit notation).

 

1,476 g  or  
1476 g

 

1 lb = 454 g

1 lb : 454 g = 3.25 lb : x

x = 1,475.5 g, rounded to 1,476 g

 

ABHES: 3.d Define and use medical abbreviations when appropriate and acceptable
ABHES: 6.b Demonstrate accurate occupational math and metric conversions for proper medication administration.
ASHP: 11.1.b Identify the correct medical term for given abbreviations.
ASHP: 25.3.c Accurately convert from one measurement system to another as needed.
Blooms: Apply
CAAHEP: II.C.5 Convert among measurement systems.
CAAHEP: II.C.6 Identify both abbreviations and symbols used in calculating medication dosages.
Difficulty: 2 Medium
Learning Outcome: 5.3 Recognize equivalent measures used in dosage calculations.
Topic: Equivalent Measures

 

Convert 83 fluid ounces to liters: ______________ (use appropriate unit notation).

 

2.49 L  or  
02.49 L  or  
2.490 L

 

1 fl oz = 30 mL

1 fl oz : 30 mL = 83 fl oz : x

x = 30 ´ 83

x = 2,490 mL

Convert to liters by moving the decimal point three places to the left and delete the trailing zero. The correct notation for liters is L.

 

ABHES: 3.d Define and use medical abbreviations when appropriate and acceptable
ABHES: 6.b Demonstrate accurate occupational math and metric conversions for proper medication administration.
ASHP: 11.1.b Identify the correct medical term for given abbreviations.
ASHP: 25.3.c Accurately convert from one measurement system to another as needed.
Blooms: Apply
CAAHEP: II.C.5 Convert among measurement systems.
CAAHEP: II.C.6 Identify both abbreviations and symbols used in calculating medication dosages.
Difficulty: 2 Medium
Learning Outcome: 5.3 Recognize equivalent measures used in dosage calculations.
Topic: Equivalent Measures

 

Convert 85 mL to teaspoons: ______________ (use appropriate unit notation).

 

17 tsp

 

1 tsp = 5 mL

1 tsp : 5 mL = x : 85 mL

5x = 85

x = 17 tsp

 

ABHES: 3.d Define and use medical abbreviations when appropriate and acceptable
ABHES: 6.b Demonstrate accurate occupational math and metric conversions for proper medication administration.
ASHP: 11.1.b Identify the correct medical term for given abbreviations.
ASHP: 25.3.c Accurately convert from one measurement system to another as needed.
Blooms: Apply
CAAHEP: II.C.5 Convert among measurement systems.
CAAHEP: II.C.6 Identify both abbreviations and symbols used in calculating medication dosages.
Difficulty: 2 Medium
Learning Outcome: 5.3 Recognize equivalent measures used in dosage calculations.
Topic: Equivalent Measures

 

Worksheet Questions

A physician prescribes Novolin^® N (a type of insulin) 32 units daily. Over the course of 30 days, the patient will take _______________ of Novolin^® N.

 

960 units

 

ABHES: 6.b Demonstrate accurate occupational math and metric conversions for proper medication administration.
Blooms: Apply
CAAHEP: II.C.2 Apply mathematical computations to solve equations.
Difficulty: 1 Easy
Learning Outcome: 5.3 Recognize equivalent measures used in dosage calculations.
Topic: Equivalent Measures

 

A physician orders 200,000 units of penicillin every 6 hours for 10 days. Altogether, the patient will receive _______________ of penicillin over the 10-day period.

 

8,000,000 units

 

ABHES: 6.a Identify drug classification, usual dose, side effects, and contraindications of the top most commonly used medications
Blooms: Apply
CAAHEP: II.C.2 Apply mathematical computations to solve equations.
Difficulty: 1 Easy
Learning Outcome: 5.3 Recognize equivalent measures used in dosage calculations.
Topic: Equivalent Measures