Ijmb Model Questions Vol1 2020 Biology Question 6

Practice essay / theory question 6 from the 2020 Ijmb Model Questions Vol1 Biology examination. This question covers Excretion .

Ijmb Model Questions Vol1 2020 Biology Essay / Theory

Topic: Excretion

Question 6 IJMB_MODEL_QUESTIONS_VOL1 • 2020 • BIOLOGY • essay

In a healthy adult the following pressures are recorded in the glomerular capillaries and Bowman's capsule: glomerular hydrostatic pressure (P_gc) = 45 mmHg, Bowman's capsule hydrostatic pressure (P_bc) = 15 mmHg, plasma oncotic pressure (π_gc) = 25 mmHg, and Bowman's capsule oncotic pressure (π_bc) is negligible. The measured glomerular filtration rate (GFR) is 120 mL·min⁻¹.

Question Parts

( a )

Calculate the net filtration pressure (NFP) across the glomerular wall.

( b )

Determine the ultrafiltration coefficient (K_f) of the kidney using the measured GFR and the NFP obtained in part (a). Express K_f in mL·min⁻¹·mmHg⁻¹.

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About This Question

This is Ijmb Model Questions Vol1 2020 Biology Question 6. It is one of the essay questions from the 2020 Ijmb Model Questions Vol1 Biology examination.

The question covers Excretion .

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