Substances used to measure renal clearance should be:
A) filtered and reabsorbed, but not secreted.
B) secreted but neither filtered nor reabsorbed.
C) filtered, reabsorbed, and secreted.
D) filtered but neither reabsorbed nor secreted.

Question

Quizplus · Accepted Answer

Substances used to measure renal clearance should be filtered but neither reabsorbed nor secreted to accurately reflect the glomerular filtration rate (GFR). This ensures that the amount of the substance in the urine directly correlates with the amount filtered by the kidneys.

Substances Used to Measure Renal Clearance Should Be