Neco Model Questions Vol1 2021 Biology Question 7

Practice essay / theory question 7 from the 2021 Neco Model Questions Vol1 Biology examination. This question covers Homeostasis .

Neco Model Questions Vol1 2021 Biology Essay / Theory

Topic: Homeostasis

Question 7 NECO_MODEL_QUESTIONS_VOL1 • 2021 • BIOLOGY • essay

Homeostasis is essential for maintaining the internal environment of the human body within narrow limits.

Question Parts

( a )

Explain how negative feedback regulates the concentration of glucose in the blood. In your answer, identify the principal hormones involved, describe the sequence of events that occur when blood glucose rises, and state what would happen if this feedback loop were disrupted.

( b )

A patient with type‑1 diabetes has severely reduced insulin secretion. Analyse how other homeostatic mechanisms attempt to compensate for the loss of insulin and explain why these mechanisms are ultimately inadequate.

( c )

Suggest two lifestyle interventions that could help improve the effectiveness of the remaining homeostatic controls in this patient, and justify each suggestion with reference to physiological mechanisms.

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About This Question

This is Neco Model Questions Vol1 2021 Biology Question 7. It is one of the essay questions from the 2021 Neco Model Questions Vol1 Biology examination.

The question covers Homeostasis .

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