Cardiac Physiology and Function Quiz

Right atrium receives deoxygenated blood from the body.

Heart valves prevent backward flow of blood.

Radial artery is not a major coronary artery.

Systole is the phase when the heart contracts and pumps blood out.

Cardiac output is the volume of blood pumped out by each ventricle per minute.

Adrenaline increases heart rate and force of contraction.

Atrial fibrillation is the abnormal rhythm of the heart with rapid and irregular beating.

SA node initiates the electrical impulse for heart contraction.

Calcium plays a key role in initiating cardiac muscle contraction.

Diastole is the relaxation phase when the heart muscle is resting and filling with blood.

Bundle of His conducts electrical impulses from the atria to the ventricles.

Coronary artery disease is the condition characterized by the narrowing of coronary arteries due to plaque buildup.