The ascending limb of the loop of Henle is more permeable to ____ than to _____.
A) water; urea
B) water; salt
C) salt; water
D) salt; urea
E) urea; salt

Question

Quizplus · Accepted Answer

The ascending limb of the loop of Henle is more permeable to salt (sodium and chloride ions) than to water, allowing it to actively transport salt into the medullary interstitium while being relatively impermeable to water. This contributes to the concentration gradient necessary for water reabsorption in other parts of the nephron.

The Ascending Limb of the Loop of Henle Is More