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3.3 Maintaining internal environments

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Question 32
H

A person with type 1 diabetes injects more insulin before a large meal that is high in carbohydrate than before a small meal.

Which statement explains why?

[1]
A

Less glucose is absorbed, so more insulin is needed to release stored glycogen.

B

More glucose is absorbed, so more insulin is needed for cells to take it up.

C

More glucose is absorbed, so more insulin is needed to convert it to glucagon.

D

More glycogen is absorbed, so more insulin is needed to convert it to glucose.

Markscheme

3.3 Maintaining internal environments Questions

  1. GCSE
  2. /Biology
  3. /3.3 Maintaining internal environments

72 exam-style questions on OCR GCSE Biology 3.3 Maintaining internal environments, covering 3.3.1 Importance of a constant internal environment, 3.3.2 The skin and body temperature, 3.3.3 Insulin and blood sugar, 3.3.4 Glucagon and blood sugar, 3.3.5 Type 1 and type 2 diabetes, 3.3.6 Osmotic changes in body fluids, 3.3.7 Kidneys and water balance, 3.3.8 Structure of the kidney and tubule, 3.3.9 ADH and kidney tubule permeability, and 3.3.10 Responses to temperature and osmotic challenges. Each one has a worked solution and a mark scheme showing where the marks go.

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