Circulatory System Quiz 269 (20 MCQs)

Quiz Instructions

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1. Blood vessels that carry blood to the heart.

Correct Answer: A) Veins.

2. ..... help to fight against germs and protect the body from infections.

Correct Answer: B) White blood cells.

3. The ..... carries air to the left and right bronchus.

Correct Answer: D) Trachea.

4. What does the digestive system do?

Correct Answer: C) Absorbs glucose from food.

5. A fluid in the body that delivers oxygen and other materials to cells and removes carbon dioxide and other wastes.

Correct Answer: C) Blood.

6. Which is the first step involved in the loss of blood?

Correct Answer: C) Vasoconstriction.

7. Normal blood pressure for an adult is

Correct Answer: B) Less than 120/80 mm Hg.

8. The right side of the heart contains blood rich in .....

Correct Answer: B) Carbon dioxide gas.

9. The ventricles are the:

Correct Answer: B) Lower chambers of the heart.

10. The nostrils, larynx, and trachea are all made primarily of:

Correct Answer: A) Cartilage.

11. When the ventricles contract, blood is pumped

Correct Answer: A) Out of the heart.

12. Which type of blood vessel carries oxygenated blood away from the heart to the body's tissues?

Correct Answer: A) Arteries.

13. Chewing, grinding, and churning are examples of .....

Correct Answer: A) Mechanical digestion.

14. Which side of the heart receives low oxygen blood from the superior and inferior vena cava?

Correct Answer: A) Right side.

15. Red blood are:

Correct Answer: B) Erythrocytes.

16. From which chamber of the heart does blood leave to go to the lungs?

Correct Answer: D) Right ventricle.

17. Diffusion of CO2 and O2 happens where?

Correct Answer: B) In the Alveoli.

18. What is it called when the ventricle is beating irregularly?

Correct Answer: D) Ventricular fibrillation.

19. What other body system does the circulatory system need to do its job?

Correct Answer: C) Respiratory.

20. Ventricle is?

Correct Answer: D) Ventricle.