IB Biology SL D3.3 Homeostasis questions

Exam-style multiple choice and written questions with full markschemes. Check multiple choice answers straight away, or type, photograph or draw a written answer and get it marked.

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Question 1

Multiple choiceMedium1 mark

After a meal, a patient’s blood glucose remains high even though the pancreas releases a normal amount of insulin. Which option identifies the likely type of diabetes and its relevant physiological change?

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Answer: A. Type 2 diabetes involves reduced responsiveness of body cells to insulin. Insulin is being released, but its effect in lowering blood glucose is reduced, matching the pattern described.

B: identifies type 2 but substitutes insufficient insulin release for reduced cellular responsiveness; the case specifies normal release.
C: identifies reduced responsiveness but assigns it to type 1, which is associated with insufficient insulin production.
D: recalls insufficient insulin production in type 1, but that does not fit the normal insulin release in this case.

Remember: Type 1 involves insufficient insulin production; type 2 involves reduced responsiveness to insulin.

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