Which of the following statements about the loop of Henle is true?
A) The walls of the descending loop are relatively impermeable to water.
B) The walls of the descending loop are relatively permeable to sodium.
C) The walls of the ascending loop are relatively permeable to water.
D) The walls of the ascending loop are relatively permeable to sodium.
E) The loop of Henle is specialized to produce a low concentration of sodium chloride in the medulla.

Question

Quizplus · Accepted Answer

The ascending loop of Henle is impermeable to water but actively transports sodium and chloride ions out, making it permeable to sodium.

Which of the Following Statements About the Loop of Henle