Ijmb Model Questions Vol1 2021 Biology Question 7

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

Ijmb Model Questions Vol1 2021 Biology Essay / Theory

Topic: Homeostasis

Question 7 IJMB_MODEL_QUESTIONS_VOL1 • 2021 • BIOLOGY • essay

A 45‑year‑old man presents with persistent polyuria, excessive thirst and weight loss. Laboratory tests reveal a fasting blood glucose of 210 mg/dL and a serum osmolarity of 295 mOsm·kg⁻¹. He is diagnosed with uncontrolled type‑1 diabetes mellitus.

Question Parts

( a )

Explain how the pancreas normally maintains blood glucose within narrow limits, describing the roles of insulin and glucagon.

( b )

Using the case information, describe the physiological disturbances that lead to the observed polyuria and polydipsia.

( c )

Propose two therapeutic strategies to restore homeostasis in this patient and justify how each addresses the underlying disturbance.

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About This Question

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

The question covers Homeostasis .

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