Circulatory System Quiz 157 (20 MCQs)

Quiz Instructions

Select an option to see the correct answer instantly.

1. ....., is the liquid part of the blood, is mostly made of water.

Correct Answer: C) Plasma.

2. What delivers Oxygen?

Correct Answer: C) Red blood cells.

3. Which artery normally do we take blood pressure?

Correct Answer: B) Brachial.

4. Who discovered that the Blood circulates inside the body

Correct Answer: A) William Harvey.

5. Which of the following contains nuclei?

Correct Answer: B) WBCs.

6. The first outer layer of heart is?

Correct Answer: A) Epicardium.

7. Oxygen and carbon dioxide are exchanged at the cellular level in which type of blood vessel

Correct Answer: C) Capillaries.

8. I am the part of your blood that helps protect you against foreign invaders. I "eat" germs! Who am I?

Correct Answer: D) White Blood Cells.

9. A drop of blood contains

Correct Answer: A) 5 million RBCs.

10. What heart chambers are connected ti the arteries?

Correct Answer: A) Ventricles.

11. The scientific name for high blood pressure is .....

Correct Answer: C) Hypertension.

12. What are two components of the cardiovascular system?

Correct Answer: D) Heart and blood vessels.

13. This word means heart

Correct Answer: A) Cardio.

14. The chamber of the heart that pumps blood to thedifferent parts of the body is .....

Correct Answer: D) Lymph nodes.

15. The most abundant blood component

Correct Answer: A) Blood juice.

16. Nerves and blood vessels in the skin are located

Correct Answer: B) In the dermis.

17. Between heart atrium and ventricle, there is automatic valve called .....

Correct Answer: A) Heart valve.

18. What is the large artery that leaves the heart taking blood to the body?

Correct Answer: C) Aorta.

19. Proteins that were discovered on a monkey that make our blood positive or negative are called .....

Correct Answer: A) Rh factors.

20. The pulmonary valve regulates blood flow from ..... to .....

Correct Answer: B) R ventricle to pulmonary arteries.