Circulatory System Quiz 249 (20 MCQs)

Quiz Instructions

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1. How much amount of water does plasma contains?

Correct Answer: D) 90%.

2. When you blood is rich in Oxygen, it is what color?

Correct Answer: A) Red.

3. Name the one-way structures that control the flow of blood into and out of the chambers of the heart.

Correct Answer: A) Valves.

4. What is full form of AV Valves

Correct Answer: A) Atrio-Ventricular Valves.

5. Plasma:fluid in blood::Serum:?

Correct Answer: C) Fluid remains after blood coagulates.

6. Closed blood vascular system occurs in .....

Correct Answer: A) Earthworm.

7. IDENTIFY PART D

Correct Answer: D) LEFT ATRIUM.

8. Receives the message from the receptor and coordinates a response

Correct Answer: A) Control center.

9. The bottom part of the heart is made up of the right and left .....

Correct Answer: A) Ventricles.

10. Which of the following converts food into energy for the cell?

Correct Answer: B) Mitochondria.

11. What is percentage of people with positive Rh

Correct Answer: B) 85.

12. What is the purpose of the superior vena cava and inferior vena cava in the circulatory system?

Correct Answer: B) Carry deoxygenated blood from the body back to the heart.

13. ..... is the tissue fluid that diffuse into lymphatic capillaries.

Correct Answer: B) Lymph.

14. Which blood vessels have the thickest walls in the circulatory system?

Correct Answer: C) Arteries.

15. Which blood cells are responsible for helping the immune system attack germs and fight infection?

Correct Answer: A) White blood cells.

16. The lack of electrolytes can cause the heart to

Correct Answer: B) Stop pumping efficiently.

17. The upper chamber of the heart where blood is received

Correct Answer: A) Atrium.

18. A(n) ..... is an immunoglobulin that attaches to the antigen.

Correct Answer: A) Antibody.

19. Which are small round or oval masses located throughout the body, commonly called "glands?"

Correct Answer: B) Lymph nodes.

20. Reading of diastolic blood pressure is the reading of pressure of the blood which flows into the heart when

Correct Answer: A) Ventricle relax.