The renal plasma clearance of a substance that is filtered and secreted is ____ the GFR.
A)greater than
B)less than
C)equal to

Question

Quizplus · Accepted Answer

If a substance is both filtered and secreted, it means that it is being removed from the blood by both glomerular filtration and active transport from the blood into the tubules. Therefore, the renal plasma clearance of this substance will be greater than the GFR, which only accounts for the amount of substance filtered by the glomerulus.

The Renal Plasma Clearance of a Substance That Is Filtered