Cardiovascular System Quiz - T Level Health

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

• Right atrium

• Left atrium

• Right ventricle

• Left ventricle

What is the main function of the aorta?

• To carry deoxygenated blood to the lungs

• To carry oxygenated blood to the body

• To supply blood to the heart muscle

• To regulate blood pressure

During which phase of the cardiac cycle does the heart muscle contract and pump blood out of the chambers?

• Diastole

• Systole

• Atrial contraction

• Ventricular filling

Which blood vessel carries deoxygenated blood from the body back to the heart?

• Pulmonary vein

• Aorta

• Vena cava

• Pulmonary artery

What is the primary function of capillaries?

• To transport blood away from the heart

• To return blood to the heart

• To exchange nutrients and gases with tissues

• To regulate blood pressure

Which valve prevents the backflow of blood from the left ventricle to the left atrium?

• Tricuspid valve

• Pulmonary valve

• Mitral valve

• Aortic valve

What is the role of the pulmonary artery?

• To carry oxygenated blood to the body

• To carry deoxygenated blood to the lungs

• To supply blood to the heart muscle

• To regulate blood pressure

During which phase of the cardiac cycle does the heart muscle relax and allow the chambers to fill with blood?

• Diastole

• Systole

• Atrial contraction

• Ventricular ejection

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

• Pulmonary vein

• Aorta

• Vena cava

• Pulmonary artery

What is the function of the coronary arteries?

• To carry deoxygenated blood to the lungs

• To carry oxygenated blood to the body

• To supply blood to the heart muscle

• To regulate blood pressure