quiz

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

a) Right Atrium

b) Right Ventricle

c) Left Atrium

d) Left Ventricle

2. What is the name of the valve located between the left atrium and the left ventricle?

a) Tricuspid Valve

b) Pulmonary Valve

c) Mitral Valve

d) Aortic Valve

3. Which blood vessel carries deoxygenated blood from the body to the heart?

a) Aorta

b) Pulmonary Vein

c) Superior Vena Cava

d) Pulmonary Artery

4. Where is the sinoatrial (SA) node located?

a) Right Atrium

b) Left Atrium

c) Right Ventricle

d) Left Ventricle

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

a) Pump oxygenated blood to the body

b) Receive deoxygenated blood from the body

c) Pump deoxygenated blood to the lungs

d) Receive oxygenated blood from the lungs

6. Which layer of the heart is responsible for its pumping action?

a) Epicardium

b) Myocardium

c) Endocardium

d) Pericardium

7. The left coronary artery branches into which two arteries?

a) Marginal and Circumflex

b) Anterior Interventricular and Circumflex

c) Posterior Interventricular and Marginal

d) Right Coronary and Circumflex

8. What separates the left and right sides of the heart?

a) Septum

b) Valve

c) Artery

d) Vein

9. Which part of the heart is also known as the pacemaker?

a) Atrioventricular (AV) Node

b) Sinoatrial (SA) Node

c) Bundle of His

d) Purkinje Fibers

10. What is the function of the aortic valve?

a) Prevent backflow of blood into the left atrium

b) Allow blood to flow from the right atrium to the right ventricle

c) Prevent backflow of blood into the left ventricle

d) Allow blood to flow from the left atrium to the left ventricle