ATI LPN
NCLEX Questions on Renal System Questions
Question 1 of 5
If the glomerular filtration rate is too high, the macula densa sends a message to the afferent arteriole. What is the effect of this message?
Correct Answer: D
Rationale: Constriction reduces blood flow, lowering GFR.
Question 2 of 5
The majority of material reabsorbed from the filtrate is reabsorbed from the renal tubule:
Correct Answer: C
Rationale: Most reabsorption occurs in proximal tubule before loop.
Question 3 of 5
Which statement about the descending limb of the Loop of Henle is true?
Correct Answer: A
Rationale: Descending limb allows water out freely, unlike ascending.
Question 4 of 5
The nephron of the kidney consists of which of the following structures?
Correct Answer: C
Rationale: Nephron comprises glomerulus and renal tubule.
Question 5 of 5
What is indicated if the specific gravity of a patient's urine is high?
Correct Answer: B
Rationale: High SG reflects concentrated urine, not necessarily disease.