Circulatory System Quiz 671 (20 MCQs)

Quiz Instructions

Select an option to see the correct answer instantly.

1. What is NOT a function of the circulatory system?

Correct Answer: C) Helps with breathing.

2. Valv/o; valve/o

Correct Answer: B) Valve.

3. -ole

Correct Answer: D) Small.

4. The top chambers are called .....

Correct Answer: C) Atrium.

5. Which blood vessel transports blood away from the heart?

Correct Answer: A) Aorta.

6. The main purpose of white blood cells is to .....

Correct Answer: A) Attack and destroy pathogens.

7. Which of the following is defined as the internal medium of the body that gives life to the cells?

Correct Answer: A) Blood.

8. True or False:Some multicellular organisms have no circulatory system.

Correct Answer: A) True.

9. Which of the following blood groups is that of the Universal Recipient ( receiver)

Correct Answer: C) AB.

10. Which of the following veins has capillaries at both ends?

Correct Answer: C) Hepatic Portal Veins.

11. Which of the 3 blood vessels carries blood away from the heart?

Correct Answer: A) Artery.

12. The pressure that is exerted by the blood against the walls of blood vessels

Correct Answer: A) Blood pressure.

13. Stroke

Correct Answer: B) Not enough blood reaches the brain due to a blocked or broken blood vessel.

14. If a healthy person has 5000 white blood cells, how many white blood cells might a sick person have?

Correct Answer: C) 12, 000.

15. How many chambers does the mammalian heart have?

Correct Answer: C) 4.

16. Jobs of the circulatory system

Correct Answer: C) Transport oxygen and remove carbon dioxide from cells.

17. Where does gas exchange actually occur?

Correct Answer: D) Alveoli.

18. A muscular organ that pumps blood.

Correct Answer: A) Heart.

19. A person who does not have the Rh protein is considered:

Correct Answer: B) Rh negative.

20. ..... pumps blood to whole part of the body

Correct Answer: A) Left ventricle.