Circulatory System Quiz 496 (20 MCQs)

Quiz Instructions

Select an option to see the correct answer instantly.

1. Results from a change in voltage across the cell membrane

Correct Answer: B) Myocardial Contraction.

2. The ..... is on the left side of the heart.

Correct Answer: A) Mitral valve.

3. Blood away to the hear

Correct Answer: B) Artery.

4. Anemias are low white blood cell counts.

Correct Answer: B) False.

5. When inhaling, the diaphragm:

Correct Answer: A) Contracts.

6. The hepatic portal circuit goes to the

Correct Answer: C) Liver and intestines.

7. Which is not a function of blood?

Correct Answer: D) Carries senses to the brain.

8. They are the discharging chambers that force blood into the arteries.

Correct Answer: A) Ventricles.

9. Blood goes from the heart to which organ for oxygenation?

Correct Answer: B) Lungs.

10. Which of the following is responsible in the distribution of nutrients, dissolved gases and materials into the different parts of the body?

Correct Answer: C) Circulatory System.

11. The ..... tells the heart to beat.

Correct Answer: B) Brain.

12. What is the main purpose of Immune system?

Correct Answer: C) Protect the body from pathogen.

13. What is the main component of blood responsible for carrying oxygen?

Correct Answer: B) Red blood cells.

14. Where is the blood loaded with oxygen?

Correct Answer: C) In the lungs.

15. The small air sacs at the ends of the bronchi where actual gas exchange occurs

Correct Answer: A) Alveoli.

16. What happens if you cut an artery, according to the text?

Correct Answer: B) Bleeding is hard to stop.

17. What happens to the movement of blood at capillaries?

Correct Answer: B) It slows down.

18. An iron-containing protein found in red blood cells is

Correct Answer: A) Hemoglobin.

19. What is the wall tissues that separates the left and right sides of the heart called?

Correct Answer: A) Septum.

20. A gene for insulin is taken from a human cell and placed in a bacterium. The bacterium can then make human insulin. What is this process called?

Correct Answer: B) B genetic engineering.