ATI LPN
Renal System Questions Questions
Question 1 of 5
The micturition reflex center is located in the:
Correct Answer: C
Rationale: Sacral spinal cord controls the micturition reflex, triggering bladder emptying.
Question 2 of 5
The descending limb of the Loop of Henle is permeable to water so water diffuses out of the descending limb into the interstitial fluid. What happens to this water?
Correct Answer: C
Rationale: Reabsorbed water returns to blood via capillaries and vasa recta.
Question 3 of 5
From which part of the nephron is the greatest proportion of Na+ absorbed from the filtrate?
Correct Answer: B
Rationale: Proximal tubule absorbs most sodium, about $65 \%$.
Question 4 of 5
From which part of the nephron is the greatest proportion of Na+ absorbed from the filtrate?
Correct Answer: A
Rationale: Proximal tubule absorbs the most sodium early on.
Question 5 of 5
Through which structure must the filtrate move to enter the Bowman's capsule from the glomerulus?
Correct Answer: C
Rationale: Filtration membrane includes endothelium, basement, and podocytes.