Solved UPSC CDS/OTA Question
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Q · Excretory Systemmedium · 45s
The clearance of inulin is used clinically to measure which parameter?
TopicExcretory System
Question Typemultiple choice
Difficultymedium
Marking+1 / −0.33
Test Duration30 min
Step-by-Step Solution
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Inulin is freely filtered at the glomerulus and neither reabsorbed nor secreted by the tubules. Its clearance equals the glomerular filtration rate, making it the gold standard for GFR measurement.
Final Answer: Option B - Glomerular filtration rate (GFR)