Basic Pharmacology for Nurses 16th Ed by Clayton - Willihnganz
Basic Pharmacology for Nurses 16th Ed by Clayton - Willihnganz
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Chapter 10: Parenteral Administration: Safe Preparation of Parenteral Medications
Complete Chapter Questions With Answers
Sample Questions Are Posted Below
MULTIPLE CHOICE
| a. | Plunger |
| b. | Tip |
| c. | Luer Lok |
| d. | Barrel |
ANS: D
The barrel contains the calibrations necessary for measurement. The plunger, the tip, and the Luer Lok do not have the calibrations indicated on them.
DIF: Cognitive Level: Knowledge REF: p. 141 OBJ: 1
TOP: Nursing Process Step: Implementation
MSC: NCLEX Client Needs Category: Safe, Effective Care Environment
| a. | 18-gauge, 1 inch needle |
| b. | 20-gauge, 1/2 inch needle |
| c. | 27-gauge, 1 1/2 inch needle |
| d. | 25-gauge, 1/2 inch needle |
ANS: C
The most appropriate needle gauge for pediatric IM injections is a 25- or 27-gauge, 1 1/2 inch needle. An 18 gauge, 1 inch needle is too short and too large in diameter for pediatric injections. A 20-gauge, 1/2 inch needle is too short and too large in diameter for pediatric injections. A 25-gauge, 1/2 inch needle is too short for pediatric IM injections.
DIF: Cognitive Level: Application REF: p. 145 OBJ: 2
TOP: Nursing Process Step: Implementation
MSC: NCLEX Client Needs Category: Physiological Integrity
| a. | A syringe calibrated in minims |
| b. | A syringe calibrated in units |
| c. | A syringe calibrated in tenths of mL |
| d. | A syringe calibrated in mL |
ANS: B
A syringe calibrated in units is used for insulin. A tuberculin syringe is not properly calibrated for use with insulin. A syringe calibrated in mL or in tenths of mL would not be an accurate way to measure insulin doses.
DIF: Cognitive Level: Comprehension REF: p. 143 OBJ: 5
TOP: Nursing Process Step: Implementation
MSC: NCLEX Client Needs Category: Physiological Integrity
| a. | Consider the rim of the ampule as sterile. |
| b. | Use a filter needle to withdraw the medication. |
| c. | Wrap a paper towel around the neck of the ampule before breaking it. |
| d. | Inject 0.5 mL of air into the ampule before withdrawing the medication. |
ANS: B
Filtered needles are used to withdraw the medication and then changed before administration of the injection. The rim of the ampule is considered to be contaminated because of the possible presence of broken glass. Paper towels do not protect the nurse from broken glass. The ampule is not airtight, so no air needs to be injected into it before removing the medication.
DIF: Cognitive Level: Application REF: p. 150 OBJ: 8
TOP: Nursing Process Step: Implementation
MSC: NCLEX Client Needs Category: Physiological Integrity
| a. | Inject an amount of air equal to the medication into the vial. |
| b. | Break the thin neck of the vial container. |
| c. | Remove the rubber stopper on the top of the vial. |
| d. | Discard the initial 0.5 mL of medication to ensure sterility. |
ANS: A
An equal amount of air is first injected into the vial to help displace the needed medication upon withdrawal. Vials are not meant to be broken at the neck. Removal of the rubber stopper on a vial is unsafe and not recommended. Medication should not be discarded because it is sterile as long as the vial is airtight and has not been contaminated.
DIF: Cognitive Level: Application REF: p. 153 OBJ: 8
TOP: Nursing Process Step: Implementation
MSC: NCLEX Client Needs Category: Physiological Integrity
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