Circulatory System Quiz 90 (20 MCQs)

Quiz Instructions

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1. What percentage of plasma is made up of water?

Correct Answer: B) 90%.

2. What type of blood vessel transports Oxygenated blood Away from and Out of the Heart to our organs

Correct Answer: A) Artery.

3. When you are grown up, your heart will beat about,

Correct Answer: A) 70 times a minute.

4. SA (sinoatrial) node; regulates to pace the heart

Correct Answer: D) Pacemaker.

5. It is a valve between left atrium and left ventricle.

Correct Answer: C) Bicuspid Valve.

6. What is the function of capillaries in the circulatory system?

Correct Answer: D) To exchange gases in the lungs.

7. What color is blood that is oxygen poor? (little or no oxygen)

Correct Answer: C) Dark, dark red ( almost maroon).

8. How dose the blood get oxygenated?

Correct Answer: A) Between the right ventricle and the left atruim, blood gose through the lungs.

9. The heart pumps the blood to the ..... where the exchange of Oxygen and Carbon Dioxide takes place.

Correct Answer: C) Lungs.

10. These blood vessels have valves to prevent back flow.

Correct Answer: D) Veins.

11. What are the receiving chambers of the heart?

Correct Answer: B) Atria.

12. In ODC which of the following would produce a curve shifted the furthest to the left?

Correct Answer: C) Myoglobin.

13. The heart sends blood to the ..... to pick up oxygen.

Correct Answer: A) Lungs.

14. The meaning in spanish of the word blood is

Correct Answer: C) Sangre.

15. The fluid which protects the heart from external jolts and shock is called the ..... fluid

Correct Answer: A) Pericardial.

16. The inferior vena cava does not drain blood from the?

Correct Answer: D) Arms.

17. Provides non-thrombogenic surface; Releases heparin

Correct Answer: A) Endothelium.

18. Red blood cells which contain hemoglobin and are responsible for oxygen transport.

Correct Answer: D) Erythrocyte.

19. How many chambers does the human heart have?

Correct Answer: D) Four main chambers-the left and right atria and the left and right ventricles.

20. ..... valves close with a sound when the blood in the ventricles has been pushed into arteries

Correct Answer: B) Semi lunar.