If a substance is filtered and reabsorbed but not secreted, its plasma clearance rate is
A) always greater than GFR
B) is equal to GFR
C) always less than the GFR
D) its relationship to GFR cannot be assumed
E) none of the above

Question

Quizplus · Accepted Answer

If a substance is filtered and reabsorbed but not secreted, its plasma clearance rate is always less than the GFR because some of the filtered substance is reabsorbed back into the blood, reducing the amount cleared from the plasma.

If a Substance Is Filtered and Reabsorbed but Not Secreted