ATI LPN
Urinary System Multiple Choice Questions and Answers PDF Questions
Question 1 of 5
The staff educator is giving a class for a group of nurses new to the renal unit. The educator is discussing renal biopsies. In what patient would the educator tell the new nurses that renal biopsies are contraindicated?
Correct Answer: C
Rationale: Morbid obesity (C) contraindicates renal biopsy due to access and bleeding risks. Glomerulonephritis (A), proteinuria (B), and rejection (D) are indications, making C the exception.
Question 2 of 5
A client diagnosed with attention-deficit/hyperactivity disorder (ADHD) is prescribed stimulant medication. The nurse explains that these medications work by:
Correct Answer: B
Rationale: Stimulants improve focus and impulse control in ADHD.
Question 3 of 5
The nurse is caring for a patient in acute kidney injury. Which of the following complications would most clearly warrant the administration of polystyrene sulfonate (Kayexalate)?
Correct Answer: C
Rationale: Hyperkalemia, a common complication of acute kidney injury, is life-threatening if immediate action is not taken to reverse it. The administration of polystyrene sulfonate reduces serum potassium levels.
Question 4 of 5
A patient who has diabetic nephropathy asks why they use smaller insulin doses. What is the best explanation?
Correct Answer: A
Rationale: Kidneys metabolize insulin; reduced function requires smaller doses.
Question 5 of 5
ADH is produced in the:
Correct Answer: D
Rationale: Antidiuretic hormone (ADH) is produced in the hypothalamus (D), specifically in supraoptic and paraventricular nuclei, then stored in the posterior pituitary. Juxtaglomerular cells (A) produce renin, anterior pituitary (B) releases ACTH, and adrenal cortex (C) makes aldosterone, making D correct.