CCS Cardiac Anatomy & Physiology 1

Question 1

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

Accepted Answer

Left atrium

Answer

Right atrium

Answer

Right ventricle

Answer

Left ventricle

Question 2

What is the primary function of the sinoatrial (SA) node?

Accepted Answer

Initiate electrical impulses for heartbeats

Answer

Contract the ventricles

Answer

Pump blood to the lungs

Answer

Regulate blood pressure

Question 3

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

Accepted Answer

Pulmonary artery

Answer

Aorta

Answer

Pulmonary vein

Answer

Superior vena cava

Question 4

What is the function of the mitral valve in the heart?

Accepted Answer

Prevents backflow between the left atrium and left ventricle

Answer

Regulates blood flow into the right ventricle

Answer

Pumps blood to the lungs

Answer

Maintains electrical impulses

Question 5

What is the role of the coronary arteries in the cardiovascular system?

Accepted Answer

Supply oxygenated blood to the heart muscle

Answer

Carry blood from the heart to the lungs

Answer

Transport deoxygenated blood to the body

Answer

Regulate heart rate

Question 6

Which phase of the cardiac cycle involves ventricular contraction?

Accepted Answer

Systole

Answer

Diastole

Answer

Repolarization

Answer

Atrial relaxation