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2.2 Animal tissues, organs and organ systems

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Question 20
F

A person has a narrowed coronary artery. A doctor treats the person by inserting a stent. The figure shows three stages in this treatment.

Figure: Three stages in the insertion of a stent into a narrowed coronary artery

image

a.

Describe how the stent is used to widen the narrowed coronary artery. Use the figure in your answer.

[3]
b.

Explain how inserting the stent reduces the person's risk of a heart attack.

[2]
c.

Give one risk of treating coronary heart disease with a stent.

[1]
Markscheme

2.2 Animal tissues, organs and organ systems Questions

  1. GCSE
  2. /Biology
  3. /2.2 Animal tissues, organs and organ systems

179 exam-style questions on AQA GCSE Biology 2.2 Animal tissues, organs and organ systems, covering 2.2.1 The human digestive system, 2.2.2 The heart and blood vessels, 2.2.3 Blood, 2.2.4 Coronary heart disease: a non-communicable disease, 2.2.5 Health issues, 2.2.6 The effect of lifestyle on some non-communicable diseases, and 2.2.7 Cancer. Each one has a worked solution and a mark scheme showing where the marks go.

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