Ijmb Model Questions Vol1 2021 Biology Question 5

Practice essay / theory question 5 from the 2021 Ijmb Model Questions Vol1 Biology examination. This question covers Transport .

Ijmb Model Questions Vol1 2021 Biology Essay / Theory
Topic: Transport
Question 5 IJMB_MODEL_QUESTIONS_VOL1 • 2021 • BIOLOGY • essay

A researcher is studying the transport of glucose from the arterial blood into the skeletal muscle of a resting adult.

Question Parts

( a )
Given that the arterial blood glucose concentration is 5.5 mmol L⁻¹ and the venous blood leaving the muscle has a glucose concentration of 4.8 mmol L⁻¹, and the muscle receives a blood flow of 500 mL min⁻¹, calculate the net amount of glucose (in millimoles) taken up by the muscle per minute.
( b )
Explain two physiological mechanisms that facilitate the movement of glucose from the capillary plasma into the muscle cells, and indicate which of these mechanisms is energy‑dependent.
( c )
If a drug increases capillary permeability to glucose by 20 % without changing blood flow, discuss qualitatively how the net glucose uptake calculated in part (a) would be affected, and state any assumptions you are making.

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About This Question

This is Ijmb Model Questions Vol1 2021 Biology Question 5. It is one of the essay questions from the 2021 Ijmb Model Questions Vol1 Biology examination.

The question covers Transport .

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