ATI LPN
NCLEX Questions on the Renal System Questions
Question 1 of 5
A client with seasonal affective disorder (SAD) is being treated. The nurse explains that light therapy works by:
Correct Answer: B
Rationale: Light therapy regulates melatonin and serotonin to alleviate SAD symptoms.
Question 2 of 5
The nurse collects data for a patient with a graft for dialysis. What action is most appropriate?
Correct Answer: C
Rationale: Auscultating for a bruit confirms graft patency.
Question 3 of 5
In the proximal convoluted tubule, chloride ions are reabsorbed because of:
Correct Answer: C
Rationale: Chloride follows sodium's active reabsorption in the PCT due to electrical attraction (C), maintaining charge balance. It's not actively transported (A), tied to calcium (B), or driven solely by osmosis (D), making C the mechanism.
Question 4 of 5
If MAP increased from 120 mmHg to 210 mmHg, GFR would most likely
Correct Answer: A
Rationale: Mean arterial pressure (MAP) rising from 120 to 210 mmHg increases glomerular hydrostatic pressure, boosting GFR (A), unless autoregulation fails beyond ~160 mmHg. Decrease (B) or no change (C) ignores pressure effects, making A likely.
Question 5 of 5
A nurse reviews the urinalysis of a client and notes the presence of glucose. Which action should the nurse take?
Correct Answer: D
Rationale: Glucose in urine suggests high blood sugar, requiring immediate capillary glucose testing for evaluation.