Cardiovascular Diseases

Question 1

Cardiovascular Diseases

Answer 1

Cardiovascular diseases are those affecting the heart and blood vessels, such as coronary heart disease, faulty valves and heart failure.

Question 2

Explain how stents can reduce the risk of a heart attack in people with coronary heart disease.

Answer 2

Stents squash the fatty deposits in the coronary arteries and hold them open which lets blood flow through easily.

This ensures oxygen is supplied to the muscle cells of the heart and so reduces the risk of a heart attack.

Question 3

Explain 2 advantages of artificial heart transplants over biological heart transplants.

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Answer 3

Can be used to keep patient alive while the heart has time to rest and recover.
Less chance of rejection from the body as made out of metals and plastics.

Question 4

What are statins and how do they prevent coronary heart disease?

Answer 4

Statins are drugs that reduce the amount of ‘bad’/LDL cholesterol in the blood.

So less fatty deposits form.

Blood can flow more easily through the arteries.