ATI LPN
ATI LPN Test Bank
Chapter 14 Nutrition and Fluid Balance Questions
Question 1 of 5
Hyperkalemia is defined as
Correct Answer: C
Rationale: Hyperkalemia is an elevated plasma potassium level.
Question 2 of 5
The sensation of thirst results from
Correct Answer: C
Rationale: Osmoreceptors detect high osmolality, triggering thirst.
Question 3 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 4 of 5
As a result of hyperventilation,
Correct Answer: B
Rationale: Hyperventilation reduces CO₂ lowering carbonic acid and raising pH.
Question 5 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.