AS AQA BiologyUNIT 1

Chapter 5 Revision QuizThe heart and heart disease

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1. Label the following diagram? (10)

2. Which arteries supply the heart muscle with oxygen? (1)

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3. What is the medical term for a heart attack? (1)

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4. What term is used to describe when the heart is in a state of relaxation? (1)

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5. What type of valves are found throughout the venous system? (1)

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6. What is the equation for cardiac output? (1)

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7. Where in the heart is the Sinoatrial Node located? (1)

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8. Which node is located between the two atria? (1)

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9. What carries the signal between the two ventricles? (1)

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10. What do you call a fatty deposit which forms within the wall of an artery? (1)

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11. What do you call a blood clot that forms when a plaque breaks? (1)

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12. Give three reasons why smoking increases the risk of developing coronary heart disease. (3)

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13. Exactly how does a diet high in HDL help protect arteries against heart disease? (3)

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