Ijmb Model Questions Vol1 2024 Biology Question 7

Practice essay / theory question 7 from the 2024 Ijmb Model Questions Vol1 Biology examination. This question covers Homeostasis, Blood glucose regulation, Insulin and glucagon, Negative feedback, Diabetes mellitus .

Ijmb Model Questions Vol1 2024 Biology Essay / Theory
Topics: Homeostasis Blood glucose regulation Insulin and glucagon Negative feedback Diabetes mellitus
Question 7 IJMB_MODEL_QUESTIONS_VOL1 • 2024 • BIOLOGY • essay

A 45‑year‑old adult presents for a routine health check. Laboratory results show a fasting blood glucose concentration of 5.8 mmol L⁻¹. The examiner asks you to discuss the mechanisms that maintain blood glucose within a narrow range in a healthy individual and to evaluate the consequences when these mechanisms are compromised.

Question Parts

( a )
Explain the role of the pancreas in the short‑term regulation of blood glucose, describing the actions of both insulin and glucagon.
( b )
A patient with type 1 diabetes mellitus has negligible endogenous insulin secretion. Predict the effect on fasting blood glucose and discuss at least two physiological compensatory mechanisms that the body may employ in the short term.
( c )
Suggest two lifestyle interventions that could assist the maintenance of euglycaemia in a person with impaired insulin production, and justify how each intervention supports homeostatic control.

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About This Question

This is Ijmb Model Questions Vol1 2024 Biology Question 7. It is one of the essay questions from the 2024 Ijmb Model Questions Vol1 Biology examination.

The question covers Homeostasis, Blood glucose regulation, Insulin and glucagon, Negative feedback, Diabetes mellitus .

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