Chapter 9: Water Balance

Chapter 9: Water Balance

 

Complete Chapter Questions With Answers

 

Sample Questions Are Posted Below

 

MULTIPLE CHOICE

 

1. The hormone that conserves body water is

a.	vitamin D hormone.
b.	antidiuretic hormone.
c.	aldosterone.
d.	parathyroid hormone.

 

 

ANS:  B

Antidiuretic hormone works on the kidneys’ nephrons to induce reabsorption and conservation of water.

 

DIF:    Cognitive Level: Knowledge            REF:   168                TOP:   Nursing Process: Planning

MSC:  NCLEX: Physiological Integrity: Physiological Adaptation

 

2. The two minerals that occur in the extracellular fluid and regulate water balance are

a.	calcium and potassium.
b.	sodium and chloride.
c.	phosphorus and magnesium.
d.	potassium and magnesium.

 

 

ANS:  B

Sodium and chloride are the two minerals that occur in the extracellular fluid and regulate water balance.

 

DIF:    Cognitive Level: Knowledge            REF:   163-164         TOP:   Nursing Process: Planning

MSC:  NCLEX: Physiological Integrity: Physiological Adaptation

 

3. A person is most likely to have a high body water content if he/she is

a.	overweight.
b.	underweight.
c.	a bodybuilder.
d.	sedentary.

 

 

ANS:  C

An athlete would have a high body water content related to the amount of muscle mass. Muscle mass contains a relatively large amount of water.

 

DIF:    Cognitive Level: Application           REF:   161

TOP:   Nursing Process: Assessment

MSC:  NCLEX: Physiological Integrity: Physiological Adaptation, Reduction of Risk Potential

 

4. The term extracellular fluid includes

a.	plasma and tissue secretions.
b.	plasma and fluid inside cells.
c.	fluid surrounding cells and in beverages.
d.	fluid surrounding cells and fluid inside cells.

 

 

ANS:  A

Extracellular fluid is the total body water outside the cells.

 

DIF:    Cognitive Level: Knowledge            REF:   161                TOP:   Nursing Process: Planning

MSC:  NCLEX: Physiological Integrity: Physiological Adaptation

 

5. A basic mechanism for maintaining body hydration is

a.	thirst.
b.	electrolyte balance.
c.	acid-base balance.
d.	activity level.

 

 

ANS:  A

Thirst is the basic mechanism for maintaining hydration.

 

DIF:    Cognitive Level: Knowledge            REF:   161                TOP:   Nursing Process: Planning

MSC:   NCLEX: Physiological Integrity: Physiological Adaptation