Cardiovascular System Quiz

What is the primary function of the heart?

• To filter blood

• To pump blood around the body

• To produce blood cells

• To store excess blood

Which chamber receives deoxygenated blood from the vena cava?

• Left atrium

• Right ventricle

• Right atrium

• Left ventricle

What is the function of the pulmonary artery?

• Brings oxygenated blood to the heart

• Distributes blood to the body

• Connects the atria

• Carries deoxygenated blood to the lungs

Which valve controls blood flow between the left atrium and left ventricle?

• Aortic valve

• Tricuspid valve

• Pulmonary valve

• Mitral valve

What is the function of the aorta?

• To bring blood to the lungs

• To store oxygenated blood

• To distribute oxygenated blood to the body

• To collect deoxygenated blood

Which structure is known as the heart's natural pacemaker?

• Bundle of His

• AV Node

• SA Node

• Pulmonary valve

What is the primary function of heart valves?

• To speed up blood flow

• To prevent backflow of blood

• To produce hormones

• To filter blood

Which chamber pumps oxygenated blood to the body?

• Right ventricle

• Right atrium

• Left atrium

• Left ventricle

What is the role of the AV Node?

• To generate electrical impulses

• To delay electrical signals

• To pump blood to the lungs

• To filter blood

Which blood vessel brings oxygenated blood from the lungs to the heart?

• Pulmonary vein

• Aorta

• Vena cava

• Pulmonary artery