Cell volume (and therefore cell function) in most cells is dependent upon careful regulation of

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Nutrition and Fluid Balance Chapter 14 Questions

Question 1 of 5

Cell volume (and therefore cell function) in most cells is dependent upon careful regulation of

Correct Answer: C

Rationale: Osmolarity of extracellular fluid determines water movement into or out of cells via osmosis, affecting cell volume and function.

Question 2 of 5

Why do patients taking loop diuretics need to take supplemental potassium?

Correct Answer: B

Rationale: Loop diuretics block sodium and potassium reabsorption in the loop of Henle, increasing potassium loss in urine.

Question 3 of 5

When baroreceptors in the carotid and aortic bodies register increased blood pressure, this results in

Correct Answer: B

Rationale: High blood pressure inhibits vasopressin secretion to decrease water reabsorption and lower volume.

Question 4 of 5

Angiotensin II stimulates

Correct Answer: D

Rationale: Angiotensin II triggers thirst, vasoconstriction, and aldosterone release to increase blood volume and pressure.

Question 5 of 5

An increase in plasma potassium levels is properly called

Correct Answer: D

Rationale: Hyperkalemia is the term for elevated plasma potassium levels.

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