Circulatory System Quiz 611 (20 MCQs)

Quiz Instructions

Select an option to see the correct answer instantly.

1. The P wave of a normal electrocardiogram indicates?

Correct Answer: B) Atrial depolarization (contraction).

2. Blood Flow Order:

Correct Answer: C) Right Atrium > Tricuspid Valve > Right Ventricle.

3. The chordae tendineae/heart strings that help open/close

Correct Answer: B) The open and close the tricuspid and mitral valve.

4. Which of the following structures carries blood away from the heart to the lungs?

Correct Answer: B) Pulmonary Artery.

5. What part of your blood carries oxygen to your cells?

Correct Answer: B) Red blood cells.

6. Why does your heart beat faster when you exercise?

Correct Answer: A) Your body needs more oxygen.

7. Blood travels through our entire body in about .....

Correct Answer: C) 30 seconds.

8. Kerry has type O blood. Why is her blood considered to be the "universal donor" ?

Correct Answer: B) O can give blood to any type of blood.

9. Carry deoxygenated blood coming from all over the body to the heart

Correct Answer: C) Veins.

10. What is the abbreviation for electrocardiogram?

Correct Answer: A) ECG.

11. Tick the anti-coagulant.

Correct Answer: A) Heparin.

12. Which of the following is an example of a vein?

Correct Answer: D) The superior vena cava.

13. What is the primary function of the heart?

Correct Answer: C) To cause blood to flow throughout the body.

14. Which blood vessels bring deoxygenated blood to the heart

Correct Answer: C) Vena Cava.

15. Valves between the chamber are:

Correct Answer: A) Mitral valve and tricuspid valve.

16. Time taken for each cardiac cycle.....

Correct Answer: A) 0.8 sec.

17. What side of the heart is larger because it pumps blood to the body?

Correct Answer: A) Left.

18. Opens when right atrium

Correct Answer: E) Tricuspid valve.

19. The watery part of blood is the

Correct Answer: D) Plasma.

20. Arteries, capillaries and veins are types of

Correct Answer: A) Blood vessels.