Circulatory System Quiz 667 (20 MCQs)

Quiz Instructions

Select an option to see the correct answer instantly.

1. The heart contain four chambers. Which is correct?

Correct Answer: D) The 2 atriums are in the upper part of the heart and the 2 ventricles in the bottom.

2. When the atria contract that portion of the heart cycle is called

Correct Answer: B) Systole.

3. ..... is Organ that is located within the chest cavity between the two lungs

Correct Answer: C) Heart.

4. 8c ..... blood vessels that connect the veins and arteries; gas exchange

Correct Answer: A) Capillaries.

5. ..... have very thin walls to deliver digested food and oxygen to all body cells.

Correct Answer: B) Blood capillaries.

6. A person having antigens A and B will be called the .....

Correct Answer: B) Universal acceptor.

7. Which blood components are easily identified in a centrifuged blood sample?

Correct Answer: C) Plasma and erythrocytes.

8. Which color combination reflects our blood accurately?

Correct Answer: C) Dark Red = deoxygenated, Bright red = oxygenated.

9. Human blood group is classified based on the antigen present. Which of the following is not an antigen?

Correct Answer: C) AB antigen.

10. What occurs when blood vessel is ruptured in brain?

Correct Answer: A) Hemorrhagic stroke.

11. Tubes that drain back to the heart.

Correct Answer: A) Veins.

12. What happens when the lymphatic system is not functioning in our body? What happens when our body's lymphatic system doesn't work?

Correct Answer: B) Tissue fluid does not get removed results in lymphedema. Lymphedema occurs when tissue fluid is not removed.

13. The correct order of circulatory is:

Correct Answer: A) Right ventricle-lungs-left ventricle-all parts of the body.

14. What divides the left side of the heart from the left side?

Correct Answer: D) Septum.

15. What is performed by plasma proteins called antibodies?

Correct Answer: B) Defending the body from disease.

16. What system does the circulatory system work closely with to deliver oxygen to the rest of the body? (Hint:what system are the lungs part of?)

Correct Answer: A) The respiratory system.

17. What is the role of valves in the heart?

Correct Answer: A) Controlling the direction of blood flow.

18. Their main role is to help in blood clotting.

Correct Answer: C) Platelets.

19. What do the vocal cords stretch across the opening of?

Correct Answer: B) Larynx.

20. Which side of the heart receives deoxygenated blood?

Correct Answer: D) Right chambers.