The descending limb of the nephron loop ________.
A) is not permeable to water
B) is freely permeable to sodium and urea
C) contains fluid that becomes more concentrated as it moves down into the medulla
D) pulls water by osmosis into the lumen of the tubule

Question

Quizplus · Accepted Answer

The descending limb of the nephron loop is permeable to water but not to solutes, which means as the fluid moves down into the medulla, it loses water to the surrounding hypertonic tissue, becoming more concentrated.

The Descending Limb of the Nephron Loop ________