Neco Model Questions Vol1 2017 Biology Question 7

Practice essay / theory question 7 from the 2017 Neco Model Questions Vol1 Biology examination. This question covers Homeostasis .

Neco Model Questions Vol1 2017 Biology Essay / Theory

Topic: Homeostasis

Question 7 NECO_MODEL_QUESTIONS_VOL1 • 2017 • BIOLOGY • essay

Answer the following questions on the principle of homeostasis in the human body.

Question Parts

( a )

Define homeostasis and describe the four basic components of a negative‑feedback control system.

( b )

Blood glucose concentration is tightly regulated. Outline the hormonal responses that occur when blood glucose falls below the normal range and explain how each hormone contributes to restoring normoglycaemia.

( c )

A patient with a pancreatic tumour has impaired glucagon secretion. Predict the likely effect on fasting blood glucose levels and describe two possible clinical manifestations of this condition.

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About This Question

This is Neco Model Questions Vol1 2017 Biology Question 7. It is one of the essay questions from the 2017 Neco Model Questions Vol1 Biology examination.

The question covers Homeostasis .

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