Multiple Choice
What mechanisms are responsible for producing concentrated urine?
A) the juxtamedullary nephrons become active.
B) the counter-current mechanism pulls out much water.
C) vasopressin causes facultative water reabsorption in distal tubule.
D) both (a) and (b) above.
E) all of these answers.
Correct Answer:
Verified
Correct Answer:
Verified
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