Circulatory System Quiz 89 (20 MCQs)

Quiz Instructions

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1. What is the main function of the ventricles in the heart?

Correct Answer: D) Pump blood out of the heart.

2. The process of intake of oxygen into the lungs.

Correct Answer: C) Inhalation.

3. How many circuits are in a human circulatory system?

Correct Answer: C) 2.

4. Markers found on the surface or your red blood cells that determine your blood type are called

Correct Answer: A) Antigens.

5. Oxygenated blood is pumped from heart to rest of the body via:

Correct Answer: A) Aorta.

6. The difference between an artery and a vein is .....

Correct Answer: C) An artery has a pulse and a vein has valves.

7. The liquid part of blood.

Correct Answer: D) Plasma.

8. The movement of blood through the heart and body is called:

Correct Answer: B) Circulation.

9. Red blood cells produce in .....

Correct Answer: C) Red bone marrow.

10. Aortic and ..... valve control blood flow out of the ventricles

Correct Answer: B) Pulmonary.

11. The smallest blood vessel where oxygen leaves the blood, and carbon dioxide enters the blood:

Correct Answer: C) Capillary.

12. Build up of plaques in blood vessels

Correct Answer: A) Atherosclerosis.

13. What electrical part of the heart is also called the intrinsic pacemaker of the heart?

Correct Answer: A) Because of the difference.

14. Blood carries urea from the .....

Correct Answer: D) Liver to kidney.

15. To release carbon dioxide

Correct Answer: A) Exhale.

16. Where does the difussion of Carbon dioxide and oxygen take place?

Correct Answer: D) Alveoli.

17. Cardiac cycle includes..... stages. There are phases in the heartbeat

Correct Answer: C) 4.

18. These connect arteries and veins:

Correct Answer: B) Capillaries.

19. Where are Red blood cells made?

Correct Answer: A) In the bone marrow.

20. Which side of the heart pumps blood into the lungs?

Correct Answer: A) Right.