The ascending limb of the loop of Henle
A) actively transports NaCl into the surrounding interstitial fluid
B) is impermeable to water
C) is found in the renal cortex
D) drains into the proximal convoluted tubule
E) actively transports NaCl into the surrounding interstitial fluid and is impermeable to water

Question

Quizplus · Accepted Answer

The ascending limb of the loop of Henle actively transports NaCl into the surrounding interstitial fluid and is impermeable to water. This creates a hypertonic environment in the medulla, which helps to concentrate the urine.

The Ascending Limb of the Loop of Henle