NEET Zoology Urine Formation MCQ Question
If the glomerular filtration rate (GFR) in a healthy individual is 125 ml/min, what is the approximate volume of urine produced per day, assuming the urine is four times more concentrated than the initial filtrate?
5 liters
3 liters
5 liters
6 liters
Correct Answer
Detailed Explanation
The volume of urine produced is the volume of filtrate divided by the concentration factor. With a GFR of 180 liters/day and urine concentrated 4 times, the urine output is 180/4 = 45 liters/day, which is approximately 1.5 liters.
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