heart-diagram-quiz

Heart Diagram Quiz

by zcrooksPublished: July 31, 2025

Medical Education
The human heart, a marvel of biological engineering, tirelessly pumps blood throughout our bodies, sustaining life. This quiz will challenge your understanding of its intricate structure and essential functions. Sharpen your pencils and get ready to delve into the fascinating world of the heart. Good luck!
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Heart Diagram Quiz
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1. Which chamber of the heart receives oxygenated blood from the lungs?
Hint: It’s one of the upper chambers.

Heart Diagram Quiz Questions Overview

1. Which chamber of the heart receives oxygenated blood from the lungs?

Right Atrium
Left Atrium
Right Ventricle
Left Ventricle

2. Which valve is located between the left atrium and the left ventricle?

Tricuspid Valve
Pulmonary Valve
Mitral Valve
Aortic Valve

3. What is the main function of the right ventricle?

Pump blood to the body
Receive blood from the body
Pump blood to the lungs
Receive blood from the lungs

4. Which part of the heart is responsible for initiating the heartbeat?

Atrioventricular Node
Sinoatrial Node
Bundle of His
Purkinje Fibers

5. Which vessel carries oxygenated blood from the heart to the rest of the body?

Pulmonary Artery
Superior Vena Cava
Inferior Vena Cava
Aorta

6. Which chamber of the heart pumps oxygenated blood to the body?

Right Atrium
Left Atrium
Right Ventricle
Left Ventricle

7. What is the function of the tricuspid valve?

Prevent backflow into the left atrium
Prevent backflow into the right atrium
Prevent backflow into the left ventricle
Prevent backflow into the right ventricle

8. Which structure separates the left and right sides of the heart?

Septum
Myocardium
Endocardium
Epicardium

9. Which blood vessels carry deoxygenated blood to the lungs?

Pulmonary Arteries
Pulmonary Veins
Coronary Arteries
Coronary Veins

10. What is the function of the coronary arteries?

Supply blood to the brain
Supply blood to the lungs
Supply blood to the heart muscle
Supply blood to the kidneys

11. Which heart valve is located between the right atrium and the right ventricle?

Mitral Valve
Aortic Valve
Tricuspid Valve
Pulmonary Valve

12. What is the role of the aortic valve?

Prevent backflow into the left atrium
Prevent backflow into the right atrium
Prevent backflow into the left ventricle
Prevent backflow into the right ventricle

13. Which part of the heart is known as the ‘heart’s powerhouse’?

Right Atrium
Left Atrium
Right Ventricle
Left Ventricle

14. What is the primary function of the pulmonary veins?

Carry deoxygenated blood to the lungs
Carry oxygenated blood to the heart
Carry oxygenated blood to the body
Carry deoxygenated blood to the heart

15. Which layer of the heart wall is responsible for the heart’s contractions?

Endocardium
Myocardium
Epicardium
Pericardium

16. Which structure ensures one-way blood flow from the atria to the ventricles?

Semilunar Valves
Atrioventricular Valves
Chordae Tendineae
Papillary Muscles

17. What is the function of the pulmonary valve?

Prevent backflow into the left atrium
Prevent backflow into the right atrium
Prevent backflow into the left ventricle
Prevent backflow into the right ventricle

18. Which part of the heart receives deoxygenated blood from the body?

Right Atrium
Left Atrium
Right Ventricle
Left Ventricle

19. Which vessel carries deoxygenated blood from the heart to the lungs?

Pulmonary Artery
Pulmonary Vein
Aorta
Superior Vena Cava

20. What is the function of the superior vena cava?

Carry oxygenated blood to the body
Carry deoxygenated blood to the lungs
Carry oxygenated blood to the heart
Carry deoxygenated blood to the heart
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