Circulatory System Quiz 250 (20 MCQs)

Quiz Instructions

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1. Which blood type has both A and B antigens on the surface of red blood cells?

Correct Answer: C) Type AB.

2. What blood vessel carries oxygenated blood from the lungs back into the heart

Correct Answer: A) Pulmonary Vein.

3. Red blood cells contain ..... a protein that contains iron.

Correct Answer: A) Hemoglobin.

4. ..... becomes smaller and thinner as they go away from the heart

Correct Answer: A) Arteries.

5. Component of the blood that carries oxygen

Correct Answer: C) Red blood cell.

6. Bulge or ballooning in the wall of an artery

Correct Answer: A) Aneurysm.

7. Which valve separates the left ventricle from the aorta?

Correct Answer: D) Aortic Valve.

8. ..... are the parts of the heart.

Correct Answer: B) Left atrium, right atrium, left ventricle, right ventricle.

9. What part of your blood helps your blood clot when cut?

Correct Answer: A) Platelets.

10. What are the 4 basic blood type?

Correct Answer: D) A, B, AB, O.

11. Bleeding from a small cut soon stops due to the release of enzymes from

Correct Answer: A) Platelets.

12. Lymphocytes deal with.....

Correct Answer: D) Bacterial infections (specific).

13. Platelets are also known as:

Correct Answer: C) Thrombocytes.

14. What is the oxygen carrying pigment in blood?

Correct Answer: C) Hemoglobin.

15. The heart has a left side and a right side that are separated by a .....

Correct Answer: B) Thick wall.

16. In what way are the circulatory system and nervous system similar?

Correct Answer: B) They are both transport systems.

17. Part of the heart that receives blood from the body or the lungs

Correct Answer: B) Atrium.

18. Thin sac

Correct Answer: D) Pericardium.

19. The three main parts of the circulatory system are

Correct Answer: A) The heart, the blood, and blood vessels.

20. On and off switches to let blood in and out of the heart are known as

Correct Answer: B) Valves.