ATI LPN
Nutrition and Fluid Balance Chapter 14 Questions
Question 1 of 5
Which of the following events occurs last?
Correct Answer: C
Rationale: Sodium reabsorption is the final step in the renin-angiotensin-aldosterone system (RAAS) process.
Question 2 of 5
Which of the following statements concerning potassium ions is false?
Correct Answer: C
Rationale: High aldosterone increases potassium secretion, not decreases it, making this statement false.
Question 3 of 5
Most of the calcium in the body is in the
Correct Answer: A
Rationale: Over 99% of body calcium is stored in bones as hydroxyapatite.
Question 4 of 5
Parathyroid hormone effects the
Correct Answer: C
Rationale: PTH acts on bones (resorption), kidneys (reabsorption), and intestines (via vitamin D).
Question 5 of 5
Under normal conditions, most water loss from the body is through the
Correct Answer: B
Rationale: The kidneys excrete the majority of water via urine under normal conditions.