ATI LPN
Chapter 14 Nutrition and Fluid Balance Questions
Question 1 of 5
Adequate calcium absorption from the GI tract depends on
Correct Answer: C
Rationale: Vitamin D enhances intestinal calcium absorption.
Question 2 of 5
A person working in the hot sun loses the greatest amount of water from the
Correct Answer: D
Rationale: Sweating via the skin is the primary water loss mechanism in heat.
Question 3 of 5
As a result of hyperventilation,
Correct Answer: B
Rationale: Hyperventilation reduces CO₂ lowering carbonic acid and raising pH.
Question 4 of 5
Once alkalosis has occurred, which of the following would you expect to happen?
Correct Answer: C
Rationale: Kidneys retain H⁺ to lower pH during alkalosis compensation.
Question 5 of 5
Which of the following regulatory mechanisms would be stimulated as a result of the increased osmolality that results from a Na⁺ level of 152 mEq/L?
Correct Answer: B
Rationale: High osmolality (from Na⁺ 152 mEq/L) triggers ADH to retain water.