Circulatory System Quiz 713 (12 MCQs)

Quiz Instructions

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1. Which artery carries oxygen poor blood?

Correct Answer: B) Pulmonary artery.

2. This is expressed as the bottom number in blood pressure. It is when the heart is relaxed and allows blood to flow into the heart.

Correct Answer: B) Diastolic Pressure.

3. Prevention of backflow is the function of the

Correct Answer: B) Valves.

4. In 70 years, how many times does the average heart beat?

Correct Answer: D) Over 2.5 billion times.

5. What divides the heart into left and right parts?

Correct Answer: B) Cellular wall.

6. What causes change in pressure when we breathe?

Correct Answer: C) Diaphragm movement.

7. Exercise causes our heart to pump more blood because our cells need more .....

Correct Answer: D) OXYGEN.

8. Which disease of the circulatory system makes the heart work harder than it should?

Correct Answer: C) High Blood Pressure.

9. Short vessel that supplies the arm and the head on the right side-

Correct Answer: A) Brachiocephalic artery.

10. What is the job of the valves in the heart?

Correct Answer: B) Prevent blood flowing backwards.

11. Carry deoxygenated blood back to the heart?

Correct Answer: B) Veins.

12. What does blood also contain?

Correct Answer: C) Platelets.