ATI LPN
Nutrition and Fluid Balance Questions
Question 1 of 5
Renin is released by the
Correct Answer: B
Rationale: Renin is secreted by the juxtaglomerular cells of the kidney in response to low blood pressure or sodium levels.
Question 2 of 5
Decreased extracellular potassium levels cause
Correct Answer: B
Rationale: Low extracellular potassium hyperpolarizes membranes, reducing excitability.
Question 3 of 5
Which of the following is correctly matched?
Correct Answer: A
Rationale: Alkalosis can cause hypokalemia due to potassium shifting into cells.
Question 4 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.
Question 5 of 5
Angiotensin II increases blood volume by stimulating
Correct Answer: A
Rationale: Angiotensin II stimulates thirst and ADH, increasing blood volume.