IGCSE Heart Quiz

What is the structure of the heart?

• The heart has four chambers: two atria and two ventricles.

• The heart has two chambers: one atrium and one ventricle.

• The heart has five chambers: three atria and two ventricles.

• The heart has three chambers: one atrium and two ventricles.

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

• right ventricle

• left ventricle

• left atrium

• right atrium

What is the function of the valves in the heart?

• To regulate blood pressure

• To produce red blood cells

• To filter waste products from the blood

• To ensure one-way blood flow

Which blood vessels carry oxygenated blood away from the heart?

• veins

• capillaries

• lymphatic vessels

• arteries

What is the purpose of coronary arteries?

• To regulate the heart rate.

• To remove waste products from the heart muscle.

• To supply oxygenated blood to the heart muscle.

• To transport deoxygenated blood away from the heart.

Which of the following is NOT a component of the heart's electrical conduction system?

• SA node

• ventricle

• atrium

• AV node

What is the average resting heart rate for a healthy adult?

• 30-50 beats per minute

• 60-100 beats per minute

• 110-130 beats per minute

• 150-180 beats per minute

Which side of the heart pumps oxygenated blood to the body?

• bottom

• top

• right

• left

What is the purpose of the septum in the heart?

• To separate the left and right sides of the heart

• To prevent the mixing of oxygenated and deoxygenated blood

• To provide structural support to the heart

• To regulate blood flow in the heart

Which blood vessels carry deoxygenated blood back to the heart?

• veins

• capillaries

• arteries

• lymphatic vessels