Circulatory System Quiz 648 (20 MCQs)

Quiz Instructions

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1. When the diapragm relaxes and moves back up, the lungs are .....

Correct Answer: B) Shrinking-pushing air out.

2. As the right ventricle contracts, the blood flows into the

Correct Answer: B) Pulmonary arteries.

3. A deficiency in hemoglobin or red blood cells.

Correct Answer: A) Anemia.

4. What part of the circulatory system pumps the oxygen-rich blood through the aortic valve out to the rest of the body?

Correct Answer: B) Left ventricle.

5. What happens if lymph vessels fail to function? What happens if the lymph vessels don't work?

Correct Answer: C) Lymphedema occurs లింఫ్ edima.

6. Last on the list for oxygen poor blood is the

Correct Answer: D) Lungs.

7. The membrane protecting the outside of the heart is the

Correct Answer: A) Pericardium.

8. Which of the formed elements are responsible for blood clotting?

Correct Answer: A) Platelets.

9. The backflow of the blood is called

Correct Answer: B) Regurgitation.

10. Which type of circulation sends blood from the lungs and back?

Correct Answer: A) Pulmonary circulation.

11. Large proteins such as albumin remain in capillaries rather than diffusing out resulting in the .....

Correct Answer: B) Development of an osmotic pressure difference across the capillary bed.

12. ..... allow blood to flow from atrium to ventricle and prevent it from flow in the opposite direction.

Correct Answer: B) Valve.

13. If ventricular pressure is low, what will happen to the arterioventricular valves?

Correct Answer: A) Close.

14. Deposit of plaque on the walls of a coronary artery is called?

Correct Answer: D) Atherosclerosis.

15. This part where oxygen and carbon dioxide diffuse to the capillaries and alveolar wall

Correct Answer: A) Alveolus.

16. The roads of a city are similar to what structures in the circulatory system?

Correct Answer: C) Blood vessels.

17. Why does your body need to breathe out carbon dioxide?

Correct Answer: B) It can be harmful if it builds up in the bloodstream.

18. The walls of the heart is comprised of three layers:

Correct Answer: B) Epicardium, myocardium, endocardium.

19. Your circulatory system is more than just your heart.

Correct Answer: A) True.

20. How many gallons of blood can be transported around your body in 1 min.

Correct Answer: C) 5 gallons.