Cardiovascular System Quiz

What is the primary function of arteries in the circulatory system?

• To store blood

• To carry oxygen-rich blood from the heart to the tissues

• To carry blood back to the heart

• To connect arteries and veins

Which component of the cardiovascular system is responsible for pumping blood?

• Veins

• Capillaries

• Arteries

• Heart

What is the function of capillaries in the circulatory system?

• To form the connection between arteries and veins

• To store oxygen

• To carry blood back to the heart

• To deliver oxygen-rich blood from the heart

What happens to your heart size with long-term cardiovascular exercise?

• It decreases

• It remains the same

• It gets bigger

• It gets smaller

Which vessel carries blood from the heart to the lungs?

• Inferior vena cava

• Superior vena cava

• Pulmonary artery

• Aorta

What is the role of the tricuspid valve?

• To prevent backflow into the right ventricle

• To prevent backflow into the right atrium

• To prevent backflow into the left atrium

• To prevent backflow into the left ventricle

Which chamber of the heart receives oxygen-rich blood from the lungs?

• Right ventricle

• Left atrium

• Left ventricle

• Right atrium

What is the function of the pulmonary vein?

• To carry blood from the heart to the body

• To carry oxygen-poor blood to the lungs

• To carry oxygen-rich blood from the lungs to the heart

• To carry blood from the body to the heart

What is the effect of increased stroke volume on resting heart rate?

• Increases resting heart rate

• Decreases resting heart rate

• No effect on resting heart rate

• Causes irregular heart rate

What is the main function of veins in the circulatory system?

• To store blood

• To form the connection between arteries and capillaries

• To carry blood back to the heart

• To deliver oxygen-rich blood from the heart