Circulatory System Quiz 309 (20 MCQs)

Quiz Instructions

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1. Outermost lining of the heart

Correct Answer: A) Pericardium.

2. Left atrium receives oxygenated blood through

Correct Answer: D) Pulmonary vein.

3. What is the main transporter in the circulatory system?

Correct Answer: D) Hemoglobin.

4. Platelets are referred to as

Correct Answer: C) Thrombocyte.

5. The aorta is the diameter of a pencil.

Correct Answer: B) False.

6. What are erythrocytes?

Correct Answer: C) Red blood cells.

7. Which of the following is NOT considered a function of blood?

Correct Answer: E) Digestion of nutrients.

8. Your heart beats about how many times per minute?

Correct Answer: B) 70.

9. Represents the positive or negative with blood type

Correct Answer: D) Rh factor.

10. The term cardiac refers to

Correct Answer: A) Heart.

11. The right side of the heart receives ..... blood and sends it to the lungs

Correct Answer: B) Deoxygenated.

12. How does the concentration gradient affect diffusion?

Correct Answer: A) The greater the concentration difference the faster the rate.

13. What are the 4 blood groups?

Correct Answer: B) A, B, AB, O.

14. Where does the blood in the capillaries obtain nutrients to take to the cells?

Correct Answer: D) All Blood Vessels.

15. What is the function of an artery?

Correct Answer: D) To carry oxygenated blood away from the heart.

16. Which part of the blood determines the blood type?

Correct Answer: A) Red blood cells.

17. Which blood vessel transports oxygen poor blood from the rest of the body back to the heart?

Correct Answer: D) Vena cava.

18. The heart is made up of what kind of muscle?

Correct Answer: B) Cardiac.

19. Which is NOT a way to exercise your heart?

Correct Answer: B) Sitting on the couch.

20. Which parts of the respiratory system divide into smaller and smaller tubes in a pattern that resembles the branches of a tree?

Correct Answer: A) Bronchi.