Chapter 6: Energy Balance

Chapter 6: Energy Balance

 

Complete Chapter Questions With Answers

 

Sample Questions Are Posted Below

 

MULTIPLE CHOICE

 

1. A nutrient that does not provide energy for the body is

a.	carbohydrate.
b.	protein.
c.	vitamin.
d.	fat.

 

 

ANS:  C

The energy nutrients are carbohydrate, fat, and protein.

 

DIF:    Cognitive Level: Knowledge            REF:   81                  TOP:   Nursing Process: Planning

MSC:  NCLEX: Physiological Integrity: Physiological Adaptation

 

2. Energy is lost from the body as

a.	heat.
b.	urine.
c.	sweat.
d.	fat.

 

 

ANS:  A

Energy is lost from the body as heat when the internal energy cycle changes stored energy into body fuels, which the body uses for various functions. As the cycle continues water is excreted, carbon dioxide is exhaled, and heat is radiated, returning the end products to the external environment.

 

DIF:    Cognitive Level: Knowledge            REF:   82                  TOP:   Nursing Process: Planning

MSC:  NCLEX: Physiological Integrity: Physiological Adaptation

 

3. The unit of measurement used to refer to the amount of energy in food is the

a.	watt.
b.	kilogram.
c.	milligram.
d.	kilocalorie.

 

 

ANS:  D

The kilocalorie is the unit of measure used to measure the amount of energy in food and is the amount of heat necessary to raise 1 kg of water 1° C.

 

DIF:    Cognitive Level: Knowledge            REF:   81-82             TOP:   Nursing Process: Planning

MSC:  NCLEX: Physiological Integrity: Physiological Adaptation

 

4. The total number of kilocalories in a snack that contains 10 g carbohydrate, 2 g protein, and 5 g fat is _____ kcal.

a.	17
b.	68
c.	93
d.	153

 

 

ANS:  C

10 g carbohydrate ´ 4 kcal/g = 40 kcal.

2 g protein ´ 4 kcal/g = 8 kcal.

5 g fat ´ 9 kcal/g = 45 kcal.

Total calories = 40 kcal + 8 kcal + 45 kcal = 93 kcal.

 

DIF:    Cognitive Level: Application           REF:   82                  TOP:   Nursing Process: Planning

MSC:  NCLEX: Physiological Integrity: Physiological Adaptation

 

5. Which of the following represents an external energy cycle?

a.	the moon
b.	growing plants
c.	crystals
d.	metabolism

 

 

ANS:  B

The external energy cycle includes plants, which transform energy from the sun into stored chemical energy.

 

DIF:    Cognitive Level: Application           REF:   82                  TOP:   Nursing Process: Planning

MSC:   NCLEX: Physiological Integrity: Physiological Adaptation