Circulatory System Quiz 540 (20 MCQs)

Quiz Instructions

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1. The "heartstrings" of the heart are also known as

Correct Answer: A) Atrioventricular valves.

2. About how many times does the heart beat during an average life time?

Correct Answer: B) 3 billion.

3. If you are not getting enough oxygen on your own, your brain can take over (using the brain stem, etc.). This is called .....

Correct Answer: B) Fainting.

4. What heart chambers recieve the blood when it enters to the heart?

Correct Answer: A) Atria.

5. What is inflammation of the heart muscle?

Correct Answer: C) Myocarditis.

6. The part of the circulatory system that delivers blood to the body's cells is called:

Correct Answer: C) Systemic.

7. It is the exerted pressure on the inner walls of the blood vessels.

Correct Answer: B) Blood pressure.

8. The part of the bone that is rigid and dense.

Correct Answer: C) Compact bone.

9. A negative test for protein will cause Biuret to stay .....

Correct Answer: B) Blue.

10. The ..... is/are responsible for the transportation of oxygen and carbon dioxide.

Correct Answer: D) Red blood cells.

11. Describe what happens in the heart during systole?

Correct Answer: D) The heart contracts and pumps blood out of the ventricles into the arteries.

12. The heart lies along the ..... line of your chest and the lungs are ..... to it.

Correct Answer: D) Medial:Lateral.

13. What is the valve between Left atrium and ventricle?

Correct Answer: A) Mitral valve.

14. The heart valves keep blood flowing in the correct direction.

Correct Answer: A) True.

15. What is the primary function of capillaries in the human body?

Correct Answer: B) To facilitate gas exchange between blood and body cells.

16. ..... makes a digestive juice called bile that helps digest fats and some vitamins.

Correct Answer: A) Liver.

17. It involves the removal and examination of a small piece of tissue from the body.

Correct Answer: B) The biopsy.

18. Help fight diseases by making antibodies

Correct Answer: B) White Blood Cells.

19. When blood returns to the heart from the body, it comes to

Correct Answer: B) The right atria.

20. Which carries blood away from the heart and is under high pressure?

Correct Answer: A) Artery.