ATI LPN
Urinary and Renal System Questions Questions
Question 1 of 5
Which process is responsible for the majority of sodium reabsorption in the nephron?
Correct Answer: C
Rationale: Sodium reabsorption in the proximal tubule occurs via secondary active transport.
Question 2 of 5
A nurse cares for a client who has elevated levels of antidiuretic hormone (ADH). Which disorder should the nurse identify as a trigger for the release of this hormone?
Correct Answer: B
Rationale: ADH rises with dehydration to conserve water by increasing reabsorption.
Question 3 of 5
A nurse cares for a client admitted from a nursing home after several recent falls. What prescription should the nurse complete first?
Correct Answer: A
Rationale: Falls may signal a UTI in older adults; urine culture is the priority.
Question 4 of 5
The nurse is teaching a client with chronic kidney disease (CKD) about the sodium restriction needed in the diet to prevent edema and hypertension. Which statement by the client indicates more teaching is needed?
Correct Answer: A
Rationale: Fast food is high in sodium, contradicting the restriction; more teaching is required.
Question 5 of 5
What glomerular filtration rate (GFR) would the nurse estimate for a 30-year-old patient with a creatinine clearance result of 60 mL/min?
Correct Answer: A
Rationale: Creatinine clearance directly approximates GFR, so 60 mL/min is correct.