Solved UPSC CDS/OTA Question
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Q · Excretory Systemmedium · 45s
Which clearance measurement approximates the glomerular filtration rate most accurately?
TopicExcretory System
Question Typemultiple choice
Difficultymedium
Marking+1 / −0.33
Test Duration30 min
Step-by-Step Solution
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Creatinine clearance closely approximates GFR because creatinine is freely filtered and only minimally secreted, making it more practical than inulin clearance.
Final Answer: Option C - Creatinine clearance