Circulatory System Quiz 139 (20 MCQs)

Quiz Instructions

Select an option to see the correct answer instantly.

1. The heart pumps about ..... liters of blood a day and contracts about ..... times in a lifetime.

Correct Answer: D) 7000;2.5 billion.

2. What is an organism?

Correct Answer: B) A living thing.

3. True or False:There are six valves in the heart.

Correct Answer: B) False.

4. What is the definition of incomplete circulatory system?

Correct Answer: B) The oxygenated and deoxygenated blood is mix with each other.

5. Leuko

Correct Answer: D) White.

6. It is another term for white blood cells.

Correct Answer: A) Leucocytes.

7. The sound the heart makes is "dub-dub" ?

Correct Answer: B) False.

8. Movement and maintaining body temperature are the ..... of the Muscular System.

Correct Answer: B) Functions.

9. Serum differs from blood is

Correct Answer: C) Lacking clotting factors.

10. Arteriosclerosis occurs when FAT collect on the inner walls of arteries, causing them to stiffen.

Correct Answer: B) False.

11. Person with blood group AB is considered as universal recipient because he has:

Correct Answer: C) Both A and B antigens on RBC but no antibodies in the plasma.

12. What material(s) does the circulatory system transport?

Correct Answer: E) All of the these!.

13. Cardiac cycle

Correct Answer: A) (Heartbeat) right and left sides of heart work together in a cyclic manner.

14. How is our heart shape

Correct Answer: A) Fist.

15. The force blood exerts on arteries

Correct Answer: C) Blood Pressure.

16. The function of the heart is to .....

Correct Answer: C) Pump blood through your circulatory system.

17. Aorta:the

Correct Answer: A) Different organs.

18. Your heart is about the size of your?

Correct Answer: D) Fist.

19. Where are capillaries found?

Correct Answer: A) In the alveoli in the lungs.

20. I am the main organ of the circulatory system. What am I?

Correct Answer: B) The Heart.