Circulatory System Quiz 342 (20 MCQs)

Quiz Instructions

Select an option to see the correct answer instantly.

1. What does the T-wave represent in an ECG?

Correct Answer: D) Ventricular diastole.

2. A major artery that runs through the neck besides thyroid glands carrying oxygenated blood to head and brain is

Correct Answer: C) Common carotid artery.

3. Name the large muscle that separates the chest cavity from the abdominal cavity and helps with breathing?

Correct Answer: B) Diaphragm.

4. What is caused by limited/loss of blood flow?

Correct Answer: C) Shock.

5. Which of the following indicates that the proper cuff size has been selected?

Correct Answer: B) The bladder of the cuff encircles 80% of the circumference of the arm.

6. The purpose of the ..... in xylem cells is to prevent the walls from collapsing?

Correct Answer: C) Lignin.

7. The pulmonary artery carries deoxygenated blood to

Correct Answer: C) The lungs.

8. What is the innermost layer of the heart?

Correct Answer: C) Endocardium.

9. Name the blood vessel that leaves the right ventricle. *

Correct Answer: B) Pulmonary artery.

10. Which visual ..... the photograph or the diagram ..... would you use if you were a doctor who was going to repair the valve surgically?

Correct Answer: A) Photograph.

11. Blood travel faster in veins and Blood travel slower in Arteries

Correct Answer: B) False.

12. How are capillaries adapted for their function?

Correct Answer: A) One-cell thick endothelium.

13. Another name for white blood cells (help destroy pathogens)

Correct Answer: B) Leukocytes.

14. What is a group of cells in the right atrium that sends signals to make the heart muscle contract?

Correct Answer: B) Pacemaker.

15. What are smaller veins referred to as?

Correct Answer: C) Venules.

16. Why do your body cells need oxygen and sugar?

Correct Answer: B) To do Cellular Respiration.

17. Tubes that carry blood back to the heart from other parts of the body

Correct Answer: C) Veins.

18. Which type of blood vessel is wide with thick walls to contain high amounts of pressure?

Correct Answer: B) Arteries.

19. Which type of WBC is also called the Garbage Trucks of the immune system?

Correct Answer: D) Monocyte.

20. Blood, white blood cells, red blood cells, plasma, platelets

Correct Answer: E) Transportation path.