Circulatory System Quiz 453 (20 MCQs)

Quiz Instructions

Select an option to see the correct answer instantly.

1. Caused by the narrowing of the arteries, resulting in the increase resistance to the flow of blood

Correct Answer: D) Hypertension.

2. Blood returning from the lungs will enter through what structure?

Correct Answer: B) Left atrium.

3. Which type of blood cell is most important to carrying oxygen to body cells?

Correct Answer: A) Red blood cells.

4. What happens after old blood, after traveling through body, moves into the heart?

Correct Answer: D) Old blood travels to lungs for more oxygen.

5. Which organ is responsible for pumping blood through the body?

Correct Answer: C) Heart.

6. Thin walled blood vessels.....

Correct Answer: B) Veins.

7. Erythrocyte

Correct Answer: C) Red blood cell.

8. Intravascular-Water in the blood contains ..... % of water

Correct Answer: B) 5%.

9. Blood returning to the heart from the feet, legs, and abdomen enters the heart through the *

Correct Answer: C) Inferior vena cava.

10. When your get scared, your nervous system goes into

Correct Answer: B) Fight or flight mode.

11. Plasma contains inorganic salts like ..... & .....

Correct Answer: A) Sodium chloride and Sodium bicarbonate.

12. Which valve is found between the left ventricle and the aorta?

Correct Answer: C) Aortic Valve.

13. Antigens stimulates the body to produce-

Correct Answer: C) Antibodies.

14. The circulatory system is a type of

Correct Answer: A) Organ System.

15. Where does blood go after the right atrium?

Correct Answer: C) Right ventricle.

16. Which of the following are the smallest blood vessels in the circulatory system?

Correct Answer: B) Capillaries.

17. Thin, elastic walls (may have multiple answers)

Correct Answer: B) Veins.

18. One way to remember how fast to do compression would be to play .....

Correct Answer: A) Stayin alive.

19. The system of blood vessels that carries deoxygenated blood to the lungs and oxygenated blood back to the heart is called the

Correct Answer: A) Pulmonary circuit.

20. Which of the following did Galen believe about the circulatory system?

Correct Answer: B) It was two separate one-way systems of distribution.