Gce Model Questions Vol1 2025 Biology Question 7

Practice essay / theory question 7 from the 2025 Gce Model Questions Vol1 Biology examination. This question covers Homeostasis, Endocrine regulation, Blood glucose control .

Gce Model Questions Vol1 2025 Biology Essay / Theory

Topics: Homeostasis Endocrine regulation Blood glucose control

Question 7 GCE_MODEL_QUESTIONS_VOL1 • 2025 • BIOLOGY • essay

The maintenance of internal stability (homeostasis) is essential for the proper functioning of the human body.

Question Parts

( a )

Describe the negative‑feedback mechanism that regulates blood glucose concentration in a healthy adult. In your answer identify the sensor, control centre, effectors and the hormones involved.

( b )

A 45‑year‑old man with type 2 diabetes mellitus has a fasting blood glucose concentration of 180 mg/dL.

( ) Explain two short‑term physiological effects of this hyperglycaemia on the circulatory system.

( ) Propose two lifestyle modifications that could help lower his fasting glucose, and justify how each influences the homeostatic control of blood glucose.

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About This Question

This is Gce Model Questions Vol1 2025 Biology Question 7. It is one of the essay questions from the 2025 Gce Model Questions Vol1 Biology examination.

The question covers Homeostasis, Endocrine regulation, Blood glucose control .

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