Circulatory System Quiz 175 (20 MCQs)

Quiz Instructions

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1. For mammals and birds, the component of heart consists of:

Correct Answer: C) Two atria and two ventricles.

2. Where does the 'lub dub of a heart beat come from?

Correct Answer: C) The sound of blood being pushed against closed, one-way valves.

3. True or False:A doctor uses a stethoscope to listen to a person's heart.

Correct Answer: A) True.

4. What type of blood do arteries carry?

Correct Answer: A) Oxygenated.

5. Which vein brings the carbon dioxide rich blood from the upper half of the body to the heart?

Correct Answer: A) Superior vena cava.

6. The phase in the cardiac cycle when blood is pumped out of the ventricles is called:

Correct Answer: D) Ventricular systole.

7. This is a blood disorder in which the blood does not clot.

Correct Answer: B) Hemophilia.

8. This system brings oxygen into your body and gets rid of carbon dioxide.

Correct Answer: C) Respiratory.

9. Deoxygenated blood pathway arrange steps from 1-7:tricuspid valve

Correct Answer: E) 3.

10. Is the vessel that transports the blood from the heart to the lungs.

Correct Answer: C) Pulmonary Artery.

11. Which type of vessel carries oxygen poor blood to the heart?

Correct Answer: A) Veins.

12. What is the function (job) of the platelets?

Correct Answer: A) To form clots (i.e. scabs) when you have cuts.

13. What is the liquid portion of blood called?

Correct Answer: A) Plasma.

14. Honey dew means.....

Correct Answer: C) The fluid that is excreted out from aphids and bees. తేనెటీగలు ఎఫిడ్లు ద్రవము.

15. What size are the veins

Correct Answer: B) Medium.

16. What protein helps a red blood cell get/gather oxygen?

Correct Answer: B) Hemoglobin.

17. Which shows the correct pathway of deoxygenated blood entering and leaving the heart?

Correct Answer: A) Vena cava > right atrium > right ventricle > pulmonary artery.

18. What is meant by blood circulation?

Correct Answer: B) Blood travels from the heart throughout the body and back to the heart.

19. Measurement of the thickness and stickiness of an individual's blood.

Correct Answer: B) Blood viscosity.

20. The combining form for vein is:

Correct Answer: D) Both b and c.