ATI LPN
Urinary System Multiple Choice Questions and Answers PDF Questions
Question 1 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 2 of 5
The region of the distal convoluted tubule in contact with the granular cells of the afferent arteriole is called the macula densa
Correct Answer: A
Rationale: The macula densa, part of the distal convoluted tubule, contacts juxtaglomerular cells at the afferent arteriole, forming the JGA to regulate renin (A). This anatomical feature is true, not false (B), making A correct.
Question 3 of 5
During reabsorption, Na⺠crosses the apical walls of the proximal tubule cells into the interstitial fluid principally by means of:
Correct Answer: D
Rationale: Na⺠reabsorption in the PCT uses active transport (D) via Na+/K+ ATPase and Na+/H+ exchangers, not phagocytosis (A), endocytosis (B), or diffusion (C), making D the primary mechanism.
Question 4 of 5
A nurse reviews the allergy list of a client who is scheduled for an intravenous urography. Which client allergy should alert the nurse to urgently contact the health care provider?
Correct Answer: A
Rationale: Seafood allergy increases risk of severe reaction to urography dye, requiring urgent attention.
Question 5 of 5
After teaching a client with a history of renal calculi, the nurse assesses the client's understanding. Which statement made by the client indicates a correct understanding of the teaching?
Correct Answer: A
Rationale: High fluid intake prevents stone formation by diluting urine, showing correct understanding.