Circulatory System Quiz 410 (20 MCQs)

Quiz Instructions

Select an option to see the correct answer instantly.

1. Your heart stops beating when you sleep.

Correct Answer: B) False.

2. What color represents oxygenated blood?

Correct Answer: A) Red.

3. Arteries are blood vessels rich in oxygen

Correct Answer: A) True.

4. 7

Correct Answer: C) Mitral valve.

5. Letter A is known as the

Correct Answer: A) Superior Vena Cava.

6. Blood vessel that has this following characteristics:thick and elastic wall narrow lumen high pressure

Correct Answer: A) Artery.

7. If the blood pressure in the arteries is elevated, it is called .....

Correct Answer: B) Hypertension.

8. The most popularly known blood grouping is the ABO grouping. It is named ABO & not ABC because 'O' in it refers to having

Correct Answer: D) No antigens A & B on RBCs.

9. What are the three main components of the circulatory system?

Correct Answer: D) Heart, blood, blood vessels.

10. What percentage of our blood is plasma?

Correct Answer: B) 55%.

11. What specific gas is needed by the body and usually involved during the inhalation process?

Correct Answer: D) Oxygen.

12. Oxygen and carbon dioxide are transported between the blood and interstitial fluid by way of

Correct Answer: B) Diffusion from areas of higher concentration to lower concentration.

13. Platelets contain nucleus

Correct Answer: B) False.

14. The smooth inner-most layer of the heart.

Correct Answer: D) Endocardium.

15. The circulatory system works with the ..... system to provide our body with nutrient/ food.

Correct Answer: B) Digestive.

16. What is the main function of circulatory system?

Correct Answer: D) All of the above.

17. What are some common symptoms of a stroke?

Correct Answer: A) Paralysis of one side of body, slurring speech, facial droop.

18. In an extreme emergency where a man needed an immediate blood transfusion, which blood would it be best to give him to save his life?

Correct Answer: C) O.

19. Heart is located in chest chamber. It is protected by ..... The heart in the chest cavity is protected by me.

Correct Answer: E) 1, 2 & 3.

20. What is chest pains due to temporary blockage of blood flow on the heart?

Correct Answer: A) Angina pectoris.