Neco 2023 Biology Question 22
Practice objective / multiple choice question 22 from the 2023 Neco Biology examination.
In a mammal the glomerular filtration rate (GFR) is \(120\ \text{ml\ min}^{-1}\). A solute X has a plasma concentration of \(50\ \text{mg\ dL}^{-1}\) and is freely filtered. Of the filtered load, \(80\%\) is reabsorbed in the proximal tubule. In the loop of Henle, \(10\%\) of the amount that reaches the loop is secreted into the tubular fluid. Finally, in the distal tubule \(5\%\) of the amount present is reabsorbed. What is the rate of excretion of X in \(\text{mg\ min}^{-1}\)?
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About This Question
This is Neco 2023 Biology Question 22. It is one of the objective questions from the 2023 Neco Biology examination.
Difficulty level: Medium .
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