To determine the amount of water that must be cleared to produce urine with the same osmolality as the ultrafiltrate,one should perform:
A) A free water clearance
B) A Mosenthal test
C) An osmolar clearance
D) A urine-to-plasma ratio

Question

Quizplus · Accepted Answer

An osmolar clearance test is used to determine the amount of water that must be cleared to produce urine with the same osmolality as the ultrafiltrate. This test measures the ability of the kidneys to concentrate or dilute the urine relative to the osmolality of plasma.

To Determine the Amount of Water That Must Be Cleared