The ascending limb of the loop of Henle of a juxtamedullary nephron A) actively transports NaCl out of the lumen into the interstitial fluid. B) is highly impermeable to H₂O. C) is always impermeable to H₂O. D) both (a) and (b) above. E) both (a) and (c) above.

Question

Quizplus · Accepted Answer

The ascending limb of the loop of Henle actively transports NaCl out of the lumen into the interstitial fluid and is always impermeable to water.

The Ascending Limb of the Loop of Henle of a Juxtamedullary