Which of the Following Statements About the Loop of Henle

question 36

Multiple Choice

Which of the following statements about the loop of Henle of juxtamedullary nephrons is correct?

• A) The ascending limb of the loop of Henle is freely permeable to H₂O and NaCl.
• B) The filtrate is isotonic as it enters the loop of Henle, hypertonic at the tip of the loop, and hypotonic as it leaves the loop of Henle.
• C) The descending limb of the loop of Henle actively transports NaCl out of the tubule into the interstitial fluid.
• D) All of these.
• E) None of these.