Circulatory System Quiz 142 (20 MCQs)

Quiz Instructions

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1. It allows air to enter the body; it FILTERS, WARMS and moistens air.

Correct Answer: A) NOSE.

2. The flow of blood between the heart and the body, starting at the aorta and ending in the vena cava.

Correct Answer: A) Systemic circulation.

3. The doctor uses a ..... to listen to heartbeat.

Correct Answer: D) Stethoscope.

4. The nucleus is absent in

Correct Answer: A) RBCs.

5. ..... is lack of nuclei and mitochondria but rich in hemoglobin

Correct Answer: A) R.b.c.

6. Inactive form of fibrin.....

Correct Answer: C) Fibrinogen Fibrinogen.

7. What is the name of a lower chamber of the heart?

Correct Answer: B) Ventricle.

8. Contains hemoglobin, supplies body with oxygen

Correct Answer: D) Red Blood Cell.

9. Describe the walls of the arteries

Correct Answer: C) Thick muscular walls.

10. The smallest blood vessel is

Correct Answer: C) Capillaries.

11. What does the circulatory system help our blood carry away?

Correct Answer: B) Carbon dioxide.

12. How many times does our heart beat per minute?

Correct Answer: C) 72-80.

13. When your muscles are fatigued, they are in need of more ....., so your ..... will increase to increase .....

Correct Answer: D) Oxygen / heart rate / blood flow.

14. Vein that carries blood back to the heart from the lungs

Correct Answer: B) Pulmonary.

15. This component of our blood helps fight infection and disease in our body.

Correct Answer: B) White Blood Cells.

16. Choose.....

Correct Answer: B) Respiratory system.

17. What organ pushes blood through the circulatory system?

Correct Answer: B) Heart.

18. A clot that forms in a blood vessel and is stationary is called a:

Correct Answer: B) Thrombus.

19. Almost all named veins; contain some vaso vasorum

Correct Answer: B) Medium veins.

20. Coronary arteries .....

Correct Answer: A) Supply the heart muscle cells with a supply of blood.