The segment of the nephron that is impermeable to H₂O even in the presence of vasopressin is the
A)proximal tubule
B)ascending limb of the loop of Henle
C)descending limb of the loop of Henle
D)distal tubule
E)collecting tubule

Question

Quizplus · Accepted Answer

The ascending limb of the loop of Henle is impermeable to water, even in the presence of vasopressin (antidiuretic hormone), which primarily acts on the distal tubule and collecting duct to increase water reabsorption.

The Segment of the Nephron That Is Impermeable to H₂O