Circulatory System Quiz 567 (20 MCQs)

Quiz Instructions

Select an option to see the correct answer instantly.

1. Located between right ventricle and pulmonary artery

Correct Answer: C) Pulmonary valve.

2. Platelets help create blood clots to stop the ..... of cuts and scrapes.

Correct Answer: A) Bleeding.

3. Which type of blood cell transports oxygen?

Correct Answer: B) Red Blood Cells.

4. Which is the muscular wall that separates the heart into right and left sides?

Correct Answer: D) Septum.

5. The ..... allow the blood in one direction only.

Correct Answer: C) The valves.

6. Embolus-

Correct Answer: D) Foreign substance circulating in blood.

7. Which system makes red blood cells?

Correct Answer: C) Skeletal System.

8. Sequence of heart contractions & relaxations:

Correct Answer: B) Cardiac cycle.

9. What are cells called that cause sickness, disease and infection?

Correct Answer: A) Pathogens.

10. Blood cells that fight disease.

Correct Answer: A) WBCs.

11. The ..... brings blood from the head and shoulder to the heart

Correct Answer: A) Superior vena cava.

12. The blood cells that contain hemoglobin are the .....

Correct Answer: C) Erythrocytes.

13. Which valve controls blood flow from the Left Ventricle to the Body

Correct Answer: D) Aortic Semilunar Valve.

14. Professional antigen presenting cells that inform the fight against invasive while enforcing tolerance to self and harmlss environmental antigens

Correct Answer: A) Dendritic Cells.

15. State the situation in which blood transfusion is necessary.

Correct Answer: A) Surgery.

16. OxygenatedBlood is carried away from the heart to other parts of the body by

Correct Answer: C) Aorta.

17. What is the job of the white blood cells?

Correct Answer: A) Help fight disease by making antibodies.

18. Pumps deoxygenated blood to the lungs

Correct Answer: B) Right ventricle.

19. Which one is the universal donor?

Correct Answer: D) 0-.

20. Where does the blood with lots of carbon dioxide go?

Correct Answer: D) Lungs.