Circulatory System Quiz 152 (20 MCQs)

Quiz Instructions

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1. When you breathe, your lungs take in ..... and remove .....

Correct Answer: B) Oxygen, carbon dioxide.

2. What are the four components of blood?

Correct Answer: B) Platelets, Plasma, WBCs, RBCs.

3. Where does the blood first go after leaving the heart?

Correct Answer: B) To the lungs to get oxygen.

4. Pump

Correct Answer: B) Bombear.

5. The number of times your heart beats in 1min (bpm)

Correct Answer: A) Heart Rate.

6. TYPE of blood flow that cycles to the body tissues; allows for oxygen to be distributed to all the cells of the body.

Correct Answer: A) Systemic circulation.

7. The diaphragm is a dome-shaped muscle at the base of the rib cage.

Correct Answer: B) True.

8. ..... is an infection within the heart lining

Correct Answer: A) Endocarditis.

9. Which of the following prevents blood in the cardiovascular system from going backward?

Correct Answer: B) Valves.

10. The right side of the heart pumps blood to your lungs.

Correct Answer: A) True.

11. How many chambers does the human heart contain?

Correct Answer: C) 4 chambers.

12. Which blood cells have the job of carrying oxygen around the body.

Correct Answer: A) Red Blood Cells.

13. The three smaller systems of the circulatory system include all of the following EXCEPT:

Correct Answer: B) Skeletal system.

14. How many layers are in a blood vessel?

Correct Answer: D) 3.

15. How many blood cells die every minute

Correct Answer: C) 2 million.

16. There are fewer white blood cells than red blood cells.

Correct Answer: A) True.

17. Coronary artery arises directly from the .....

Correct Answer: D) Aorta.

18. What do we have in our heart that open and close to that blood is allowed to only flow in one direction?

Correct Answer: D) Valves.

19. Artery

Correct Answer: B) It carries blood away from the heart.

20. About how much blood is in your body?

Correct Answer: A) 5 liters.