Ijmb Model Questions Vol1 2019 Biology Question 6

Practice essay / theory question 6 from the 2019 Ijmb Model Questions Vol1 Biology examination. This question covers Excretion .

Ijmb Model Questions Vol1 2019 Biology Essay / Theory

Topic: Excretion

Question 6 IJMB_MODEL_QUESTIONS_VOL1 • 2019 • BIOLOGY • essay

A 25‑year‑old male undergoes a routine health check. His plasma creatinine concentration is 0.9 mg dL⁻¹ and his body weight is 70 kg. The estimated glomerular filtration rate (GFR) can be approximated by the formula: GFR (mL min⁻¹) = (140 – age) × weight (kg) × 0.85 / serum creatinine (mg dL⁻¹).

Question Parts

( a )

Calculate the estimated GFR for this individual, showing each step of the computation.

( b )

Compare creatinine clearance with inulin clearance as measures of GFR, highlighting at least two limitations of using creatinine clearance.

( c )

For each of the following processes, state the primary nephron segment where it occurs and the main driving force:

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About This Question

This is Ijmb Model Questions Vol1 2019 Biology Question 6. It is one of the essay questions from the 2019 Ijmb Model Questions Vol1 Biology examination.

The question covers Excretion .

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