Circulatory System Quiz 460 (20 MCQs)

Quiz Instructions

Select an option to see the correct answer instantly.

1. The largest vein in the body

Correct Answer: A) Vena cava.

2. What is an embolus

Correct Answer: B) A foreign object in the blood.

3. What happens to the blood in the lungs?

Correct Answer: B) Oxygenated.

4. When the blood leaves the left atrium, where does it go next?

Correct Answer: B) Left ventricle.

5. What type of blood cell has hemoglobin protein to carry oxygen?

Correct Answer: A) Red Blood Cells.

6. What is the job of an artery?

Correct Answer: A) Brings blood away from the heart.

7. Blood transfusion is the

Correct Answer: B) Transfer of blood.

8. What type of animals have an open circulatory system?

Correct Answer: B) Insects.

9. The muscular tube that moves food from the mouth to the stomach?

Correct Answer: A) Esophagus.

10. What problem does coronary heart disease cause?

Correct Answer: A) It reduces the amount of oxygen that can get to the heart muscle.

11. Red Blood Cells are produced in the ..... bone marrow.

Correct Answer: C) Red.

12. ..... connect arteries to veins.

Correct Answer: D) Capillaries.

13. Blood leaves the heart for the lungs through the .....

Correct Answer: A) Pulmonary Artery.

14. Which of the following is not a function of the blood?

Correct Answer: C) Return lymph to the bloodstream.

15. The sites of exchange of wastes, nutrients, and gases between the blood and body cells are the .....

Correct Answer: C) Capillaries.

16. Atrioventricular valves prevent back flow into the atria

Correct Answer: A) True.

17. Choose the correct order showing vessels with GREATEST pressure to LOWEST pressure.

Correct Answer: A) Artery, vein, capillary.

18. Your diastole blood pressure is the pressure in your artery when:

Correct Answer: A) THE HEART IS AT REST.

19. Which chamber RECEIVES blood RETURNING from the BODY?

Correct Answer: A) Right Atrium.

20. Blood capillaries were first observed by.....

Correct Answer: B) Marcello Malphigi.