The Limit for Excretion of Concentrated Urine is About

Question

The limit for excretion of concentrated urine is about
A) 3000 mOsM
B) 2000 mOsM
C) 1200 mOsM
D) 600 mOsM
E) 300 mOsM

Accepted Answer

The limit for excretion of concentrated urine in humans is about 1200 mOsM. This is due to the maximum concentrating ability of the kidneys, which is limited by the gradient they can create in the medullary interstitium.