Igcse Model Questions Vol1 2023 Biology Question 23
Practice objective / multiple choice question 23 from the 2023 Igcse Model Questions Vol1 Biology examination.
A person has a glomerular filtration rate (GFR) of 120 mL min\(^{-1}\) and a renal plasma flow (RPF) of 600 mL min\(^{-1}\). The hydrostatic pressure in the glomerular capillaries is 45 mmHg and the hydrostatic pressure in Bowman's capsule is 15 mmHg. Plasma protein concentration is 6 g dL\(^{-1}\); the oncotic pressure is directly proportional to protein concentration, with 7 g dL\(^{-1}\) giving 28 mmHg.\n\nCalculate (i) the filtration fraction, and (ii) the net filtration pressure (NFP) using the Starling equation \(\text{NFP}=P_{gc}-P_{bc}-\pi_{gc}\).
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This is Igcse Model Questions Vol1 2023 Biology Question 23. It is one of the objective questions from the 2023 Igcse Model Questions Vol1 Biology examination.
Difficulty level: Medium .
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