Gce Model Questions Vol1 2023 Biology Question 7

Practice essay / theory question 7 from the 2023 Gce Model Questions Vol1 Biology examination. This question covers Homeostasis, Thermoregulation, Blood glucose regulation .

Gce Model Questions Vol1 2023 Biology Essay / Theory

Topics: Homeostasis Thermoregulation Blood glucose regulation

Question 7 GCE_MODEL_QUESTIONS_VOL1 • 2023 • BIOLOGY • essay

A 25‑year‑old male runner is training for a marathon in a hot, humid climate. During a 2‑hour run his core body temperature rises, sweating increases markedly and his blood glucose level falls from 5.5 mmol L⁻¹ to about 3.8 mmol L⁻¹.

Question Parts

( a )

Describe the physiological mechanisms that act to maintain core body temperature during the run.

( b )

Explain how blood glucose concentration is regulated during prolonged moderate‑intensity exercise.

( c )

A runner with type 1 diabetes mellitus joins the same training session without adjusting his insulin dose. Predict the likely consequences for his homeostatic balance and suggest two management strategies to reduce the risk of a serious episode.

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About This Question

This is Gce Model Questions Vol1 2023 Biology Question 7. It is one of the essay questions from the 2023 Gce Model Questions Vol1 Biology examination.

The question covers Homeostasis, Thermoregulation, Blood glucose regulation .

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