Solved UPSC CDS/OTA Question
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Q · Excretory Systemmedium · 45s
Which component of filtrate is not normally reabsorbed and appears in urine?
TopicExcretory System
Question Typemultiple choice
Difficultymedium
Marking+1 / −0.33
Test Duration30 min
Step-by-Step Solution
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Creatinine, a breakdown product of creatine phosphate in muscle, is filtered at the glomerulus and not reabsorbed, making its clearance a convenient measure of GFR.
Final Answer: Option C - Creatinine