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Paper 2 H - SAMPLE SET 1 Q9 Answers

9) Homeostasis controls the internal conditions of the body.

9.1) Explain how blood glucose levels are controlled in the body of someone who does not have diabetes. [4 marks]

9.2) Compare how each type of diabetes is caused.
Suggest how each type of diabetes can be treated. [4 marks]

9.3) Look at Table 5.
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Calculate the percentage (%) of the UK population estimated to have diabetes.
You should include both diagnosed and undiagnosed people in your calculation.
​Give your answer to 2 significant figures. [3 marks]
​
Estimated percentage of population with diabetes = _____________ %
​
9.4) A urine test can be used to check for the presence of glucose in the urine.
Diabetes can also be diagnosed with a blood test to measure the concentration of blood glucose.
Suggest why a blood test is more reliable than a urine test. [1 mark]

9.5) A blood test called the glucose tolerance test checks how well the body processes glucose.
Concentrations of glucose in the blood are measured before and after drinking a glucose drink.
Patients are not allowed to eat food for 8 hours before the glucose tolerance test.
Suggest why patients are not allowed to eat for 8 hours before the test. [1 mark]

9.6) Figure 11 shows the results of a glucose tolerance test for two patients, A and B.
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Which patient has diabetes?
Justify your answer. [2 marks]
Patient _____________
Justification _____________________________________________________

​​​​​​​​​(Total for Question 9 = 14 marks)

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