Circulatory System Quiz 260 (20 MCQs)

Quiz Instructions

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1. Vessels with thick muscular and elastic walls

Correct Answer: A) Arteries.

2. Open type of circulation is seen in .....

Correct Answer: D) All the above పైవన్నీ.

3. What would happen if a small hole developed in the septum?

Correct Answer: B) Blood would move between the right and left side of the heart.

4. Blood pressure that is too high.

Correct Answer: A) HYPERTENSION.

5. Arteries sub-divide into ..... which further divide into a network of capillaries

Correct Answer: C) Arterioles.

6. Blood returns to the heart through the .....

Correct Answer: B) Pulmonary veins.

7. What are the walls of an artery like?

Correct Answer: B) Very thick and elastic.

8. The vena cava is what type of blood vessel?

Correct Answer: B) Veins.

9. Electrical signals made by your pacemaker can be read by a special machine called an electrocardiograph, or EKG.

Correct Answer: A) True.

10. Which of the following is the beginning structure of your skeletal system before you are born?

Correct Answer: C) Cartilage and connective tissues.

11. ..... is a cancer of the tissue forming WBCs whose number increases manifold at the cost of RBCs.

Correct Answer: B) Leukemia.

12. What is a connective tissue?

Correct Answer: C) Blood.

13. What is the purpose of heart valves?

Correct Answer: A) Keep blood flowing in one direction.

14. Your brain stem controls involuntary functions, like your heartbeat. What else is an involuntary function?

Correct Answer: D) Breathing.

15. Plasma consists of what percent of water?

Correct Answer: A) 90%.

16. In the lungs, oxygen is absorbed into the blood. In which part of the lungs does this mainly happen?

Correct Answer: A) Alveoli.

17. Shape of leucocytes

Correct Answer: D) None of the above.

18. Which type of blood goes into the left chamber of the heart?

Correct Answer: A) Oxygen Rich Blood.

19. RBCs are called

Correct Answer: B) Erythrocytes.

20. In what way is blood the body's liquid messenger?

Correct Answer: A) Blood delivers nutrients and oxygen to the body's cells.