ATI LPN
ATI LPN Test Bank
Multiple Choice Questions on Urinary System Questions
Question 1 of 5
Which part of the renal tubule is impermeable to water?
Correct Answer: A
Rationale: Ascending limb prevents water reabsorption, unlike other parts.
Question 2 of 5
The kidney produces all but one of the following. Which one?
Correct Answer: B
Rationale: ANP is produced by heart atria, not kidneys.
Question 3 of 5
Which list has the blood vessels of the nephron in the correct order of blood flow?
Correct Answer: A
Rationale: Blood flows from afferent to glomerulus, then efferent to capillaries.
Question 4 of 5
In which section of the renal tubule is most water reabsorbed?
Correct Answer: D
Rationale: About two-thirds of water is reabsorbed in PCT.
Question 5 of 5
Process of micturition is regulated by?
Correct Answer: C
Rationale: Nervous system controls bladder emptying via reflexes.