Circulatory System Quiz 178 (20 MCQs)

Quiz Instructions

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1. Solid part of the blood that contains hemoglobin and helps carry out oxygen.

Correct Answer: C) Red blood cells.

2. Superior chambers of the heart

Correct Answer: B) Atria.

3. Microscopic air sacs in the lungs

Correct Answer: B) Alveoli.

4. What makes up 2% of the blood?

Correct Answer: B) White blood cells.

5. Blood types is an example of:

Correct Answer: B) Codominance.

6. Red blood cell can only be seen through microscope, Its shape is .....

Correct Answer: B) Flat disk and biconcave in the middle.

7. Exercise is important for cardiovascular health because it?

Correct Answer: D) Strengthens the heart muscle.

8. These blood vessels are responsible for carrying oxygenated blood AWAY from the heart.

Correct Answer: B) Arteries.

9. The process between a blood sample and the antiserum that causes the blood to clumping is called

Correct Answer: C) Agglutination.

10. What is a hollow, muscular organ that pumps blood throughout the body?

Correct Answer: C) Heart.

11. Your blood carries the food to your stomach.

Correct Answer: B) False.

12. The ..... bring oxygenated blood from the lungs $\rightarrow$ heart

Correct Answer: A) Pulmonary veins.

13. I collect the blood from the lower portion of the body and transfer it to the heart. Who am I?

Correct Answer: B) Inferior vena cava.

14. What carry the signals from the brain to the organs and tissues

Correct Answer: B) Motor.

15. A venule is.....

Correct Answer: A) A small vein.

16. A white blood cell that is involved in fighting infection

Correct Answer: C) Leukocyte.

17. Arteries carry blood ..... from the heart, while veins carry blood ..... the heart.

Correct Answer: A) Away, to.

18. To which chamber of the heart does an oxygen-rich blood from the lung return?

Correct Answer: A) Left atrium.

19. The movement of food in phloem is called:

Correct Answer: B) Translocation.

20. Which type of vessel has walls that are thick and strong to handle the the pressure of the heart's pumping action?

Correct Answer: A) Arteries.