Circulatory System and Heart Quiz

What is the main vein that carries blood back to the heart?

• Aorta

• Pulmonary vein

• Vena cava

• Hepatic portal vein

Which chamber of the heart receives blood from the body?

• Left ventricle

• Right ventricle

• Right atrium

• Left atrium

What type of blood vessels supply the capillary networks?

• Veins

• Arteries

• Arterioles

• Venules

What is the function of the heart valves?

• To supply oxygen to the heart muscle

• To prevent backflow of blood

• To increase blood pressure

• To pump blood out of the heart

What is the name of the valve on the right side of the heart?

• Tricuspid valve

• Atrioventricular valve

• Semilunar valve

• Bicuspid valve

How many chambers does the human heart have?

• Two

• Three

• Four

• Five

What is the primary role of the left ventricle?

• To pump oxygenated blood to the body

• To receive blood from the body

• To pump blood to the lungs

• To receive blood from the lungs

What is the term for the contraction of the heart muscle?

• Contraction

• Relaxation

• Systole

• Diastole

Which artery carries blood from the heart to the lungs?

• Coronary artery

• Aorta

• Pulmonary artery

• Hepatic artery

What prevents the backflow of blood from the ventricles to the atria?

• Atrioventricular valves

• Coronary arteries

• Semilunar valves

• Capillaries