Circulatory System Quiz 181 (20 MCQs)

Quiz Instructions

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1. Which of the following is NOT found in the tissue fluid?

Correct Answer: B) Erythrocyte.

2. An example of an involuntary muscle is?

Correct Answer: B) Heart.

3. These blood vessels carry deoxygenated blood to the lungs.

Correct Answer: C) Veins.

4. The human respiratory system consists of the nose, windpipe and the heart.

Correct Answer: B) False.

5. When you expire.....

Correct Answer: C) External intercostal muscles relax.

6. ..... is part of blood that looks like yellow liquid.

Correct Answer: A) Blood plasma.

7. What makes the heartbeat sound we hear?

Correct Answer: C) Valves opening and closing.

8. Cellular elements in blood includes

Correct Answer: D) All of these.

9. What is the name of #14?

Correct Answer: C) Right Ventricle.

10. The processes of diffusion AND active transport are both used to .....

Correct Answer: B) Move molecules into or out of cells of the body.

11. What are capillaries?

Correct Answer: D) Blood vessels that connect arteries to the veins.

12. Vein carries blood rich in

Correct Answer: B) Carbon dioxide.

13. What does a ventricle do

Correct Answer: A) Force blood out.

14. What is the main function of the coronary arteries in the circulatory system?

Correct Answer: C) Supply oxygen-rich blood to the heart muscle.

15. Which describes a task performed by the circulatory system?

Correct Answer: C) Transporting waste materials.

16. Blood flows across the body in tubes called .....

Correct Answer: B) Blood vessels.

17. The saphenous vein would be found in the

Correct Answer: D) Legs.

18. What does the Circulatory system work with?

Correct Answer: A) Respiratory System.

19. Pulmonary viens carry oxygenated blood

Correct Answer: A) True.

20. The first heart sound is produced when

Correct Answer: D) Bicuspid and tricuspid valves close quickly.