Circulatory System Quiz 198 (20 MCQs)

Quiz Instructions

Select an option to see the correct answer instantly.

1. A ..... is the basic unit of living things.

Correct Answer: C) Cell.

2. The time frame from the beginning of one contraction to the next is called the

Correct Answer: A) Cardiac cycle.

3. Which vessel has thinner walls than arteries?

Correct Answer: B) Vein.

4. Carries blood from the left ventricle to the body

Correct Answer: A) Aorta.

5. ..... carries oxygen

Correct Answer: A) Red blood cells.

6. Which type of circulation sends blood to the rest of the body to deliver oxygen and nutrients and back to the heart?

Correct Answer: B) Systemic.

7. What is the fourth part of the circulatory system

Correct Answer: C) Red blood cells.

8. What prevents blood from passing back into the Left Atrium from the Left Ventricle?

Correct Answer: C) Bicuspid Valve or Left Atrioventricular Valve.

9. Mrs. Gallegos has a blood pressure reading of 140/90. The top number represents:

Correct Answer: A) Systolic pressure.

10. What is the function of a heart-lung machine?

Correct Answer: A) To replace the function of the heart temporarily.

11. 1

Correct Answer: C) Right atrium.

12. Which side of the heart receives oxygen-poor blood from the rest of the body and pumps it to the lungs.

Correct Answer: B) Right.

13. ..... protects bones from rubbing against each other.

Correct Answer: B) Cartilage.

14. Valves let blood.....

Correct Answer: D) In and out.

15. Rate of heart beat is controlled by .....

Correct Answer: A) Because of the difference.

16. Which blood vessel carries oxygenated (oxygen rich blood) from lungs back to the heart?

Correct Answer: D) Pulmonary veins.

17. Painted

Correct Answer: A) Deficiency.

18. Carries blood to kidneys-

Correct Answer: B) Renal arteries.

19. Veins carry blood into the .....

Correct Answer: C) Heart.

20. This type of blood cell makes it possible for blood to clot and form scabs and bruises.

Correct Answer: B) Platelets.