Which part of the nephrons is impermeable to water?

Question

Which part of the nephrons is impermeable to water? (A) Proximal convoluted tubule (B) Distal convoluted tubule (C) Ascending limb of loop of Henle (D) Descending limb of loop of Henle

Tardigrade Admin · Accepted Answer

Ascending limb of loop of Henle is impermeable to water. It does not reabsorb water, rather sodium, potassium, magnesium and chloride are reabsorbed and therefore the filtrate becomes hypotonic to blood plasma.

Q. Which part of the nephrons is impermeable to water?

Proximal convoluted tubule

Distal convoluted tubule

Ascending limb of loop of Henle

Descending limb of loop of Henle

Ascending limb of loop of Henle is impermeable to water. It does not reabsorb water, rather sodium, potassium, magnesium and chloride are reabsorbed and therefore the filtrate becomes hypotonic to blood plasma.