Gce Model Questions Vol1 2024 Biology Question 37
Practice objective / multiple choice question 37 from the 2024 Gce Model Questions Vol1 Biology examination.
The glomerular filtration rate (GFR) of a kidney is \(120\ \text{mL min}^{-1}\). Plasma contains urea at \(5\ \text{mmol L}^{-1}\) and glucose at \(0.1\ \text{mmol L}^{-1}\). Of the filtered glucose, \(99\%\) is re‑absorbed, while \(60\%\) of the filtered urea is re‑absorbed. No secretion occurs. If the urine flow rate is \(1.5\ \text{mL min}^{-1}\), calculate the concentration of urea in the final urine (in \(\text{mmol L}^{-1}\)).
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This is Gce Model Questions Vol1 2024 Biology Question 37. It is one of the objective questions from the 2024 Gce Model Questions Vol1 Biology examination.
Difficulty level: Medium .
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