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The Glomerular Filtration Rate (GFR) in a healthy adult is approximately:
A125 ml/min (or about 180 L/day)
B12 ml/min (about 17 L/day)
C1.5 ml/min (matches urine output)
D500 ml/min (about 720 L/day)
Answer & Solution
Correct answer: A. 125 ml/min (or about 180 L/day)
Normal GFR is ~125 ml/min (180 L/day filtered through the glomeruli). Of this, ~99% (178.5 L) is reabsorbed; only ~1.5 L exits as urine.
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