Which Statement Concerning the Loop of Henle of Juxtamedullary Nephrons

question 72

Multiple Choice

Which statement concerning 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.

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