Which of the following statements is correct?

Options

A. The ascending limb of loop of Henle is impermeable to water
B. The descending limb of loop of Henle is impermeable to water
C. The ascending limbe of loop of Henle is permeable limb of loop of Henle is permeable to water
D. The descending limb of loop of Henle is permeable to electrolytes

Answer

A

Explanation

The ascending limb of loop of Henle is impermeable to water and permeable to `K^(+),Cl^(-)andNa^(+)` and partially permeable to urea. Due to this sodium, potassium, calcium, magnesium and chloride are reabsorbed here making the filterate hypotonic.