Circulatory System Quiz 226 (20 MCQs)

Quiz Instructions

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1. The pumping organ of the body?

Correct Answer: C) Heart.

2. When you exhale, air goes out of the trachea to the

Correct Answer: C) Pharynx.

3. What is the term for hearts with multiple chambers?

Correct Answer: D) Multichambered.

4. What are the 4 cavities of the heart?

Correct Answer: D) Auricles and ventricles.

5. Which of these vessels are very small and the site where the actual exchange of oxygen takes place?

Correct Answer: D) Capillaries.

6. Is it true or false?When your heartbeat is quick, your pulse is slow!

Correct Answer: A) False.

7. Which metal is present in haemoglobin?

Correct Answer: C) Iron.

8. Middle, muscular layer of the heart.

Correct Answer: B) Myocardium.

9. Mother made a cake yesterday

Correct Answer: C) A cake was made by mother yesterday.

10. Blood pressure decreases

Correct Answer: A) Diastole.

11. What carries food, water, oxygen and other materials to the body's cells and tissues

Correct Answer: D) Blood.

12. Which of the following is the structural difference between lymph capillary and blood capillary?

Correct Answer: A) Lymph capillary has blind-ended.

13. Deoxygenated blood is transported through pulmonary artery to the lungs.

Correct Answer: B) Pulmocutaneous circulation.

14. The valve that separates the right atrium from the right ventricle

Correct Answer: D) Tricuspid Valve.

15. When we breathe out, our diaphragm becomes

Correct Answer: A) Relaxed and dome shaped.

16. Blood leaves the right ventricle through the .....

Correct Answer: A) Pulmonary trunk.

17. Ather/o

Correct Answer: B) Fatty substance, plaque.

18. The red blood cells .....

Correct Answer: A) Carry oxygen.

19. Which veins does the blood flow through when returning to the heart?

Correct Answer: A) Through the veins.

20. The ....., or "pacemaker", generates the electrical impulses to make your heart beat.

Correct Answer: D) Because of the difference.