ATI LPN
Nutrition and Fluid Balance Questions
Question 1 of 5
Serum electrolyte concentrations are most often expressed as
Correct Answer: D
Rationale: mEq/L is the standard unit for expressing electrolyte concentrations, reflecting ionic charge.
Question 2 of 5
Elevated blood pressure under resting conditions results in increased urinary output because
Correct Answer: D
Rationale: High blood pressure triggers baroreceptors to reduce ADH, increasing urine output to lower volume.
Question 3 of 5
Decreased extracellular potassium levels cause
Correct Answer: B
Rationale: Low extracellular potassium hyperpolarizes membranes, reducing excitability.
Question 4 of 5
Which of the following is correctly matched?
Correct Answer: A
Rationale: Alkalosis can cause hypokalemia due to potassium shifting into cells.
Question 5 of 5
Stimulus for the secretion of parathyroid hormone is a decrease in serum
Correct Answer: B
Rationale: Low serum calcium triggers PTH release to restore levels.