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2.2 Animal tissues, organs and organ systems

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Question 28

A patient’s blood cholesterol level was measured before and after taking a statin regularly for six months.

TimeBlood cholesterol level in mmol/L
Before taking the statin7.2
After taking the statin for six months5.9
a.

Calculate the decrease in the patient’s blood cholesterol level.

[1]
b.

Explain how the decrease in blood cholesterol level could affect the progression of coronary heart disease.

[2]
Markscheme

2.2 Animal tissues, organs and organ systems Questions

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

304 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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