Which statement is NOT true for urea?
A) It is a waste product resulting from the breakdown of protein.
B) It is passively reabsorbed at the end of the proximal tubule down a urea concentration gradient created by the osmotic-induced reabsorption of water from the proximal tubule.
C) Recycling between the late portion of the collecting tubule and the long loops of Henle contributes to medullary hypotonicity.

Question

Quizplus · Accepted Answer

Urea recycling contributes to medullary hypertonicity, not hypotonicity, which helps in the concentration of urine.

Which Statement Is NOT True for Urea