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IAL Biology Cardiovascular Disease and Exam Questions

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These notes are written for the International Advanced Level (ial) Biology 2018 new specification. However, these notes are similar to any a level biology course. They contain notes on CVD including : The development of atherosclerosis CVD risk factors Antioxidants and CVD Cholesterol and CVD Tre...

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  • January 7, 2019
  • 6
  • 2018/2019
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Some examples from this set of practice questions

1.

What is the major cause of CVD?

Answer: Atherosclerosis

2.

Describe the stages of the development of atherosclerosis

Answer: Endothelial damage Inflammatory response Plaque formation Calcification Raised blood pressure

3.

What are the 3 non-modifiable risk factors for CVD?

Answer: Advancing age Family history of the disease Male gender

4.

What are the 6 modifiable risk factors for CVD?

Answer: Smoking Hypertension High blood cholesterol Alcohol consumption Physical inactivity Obesity

5.

Why is smoking a risk factor of CVD?

Answer: CO irreversibly binds to heamoglobin, decreasing the amount of oxygen transported to tissues. Tobacco damages platelets, increasing the risk of blood clots. Tobacco also damages the endothelial wall of arteries Nicotine stimulates the production of adrenaline, raising blood pressure.

6.

Why is the male gender a risk factor of CVD?

Answer: The production of oestrogen by females inhibits the formation of atheromas and reduces risk of CVD.

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