Heart Anatomy Quiz

The apex of the heart lies ______, pointing toward the ______ lung.

• just below the clavicle; right

• on the diaphragm; left

• just below the clavicle; left

• on the diaphragm; right

The bicuspid or mitral valve is the valve

• between the left atrium and left ventricle.

• that opens from the right ventricle into the artery.

• between the right atrium and right ventricle.

• that opens from the left ventricle into the artery.

The aortic semilunar valve is the valve

• between the left atrium and left ventricle.

• that opens from the right ventricle into the artery.

• between the right atrium and right ventricle.

• that opens from the left ventricle into the artery.

The pulmonary semilunar valve is the valve

• between the left atrium and left ventricle.

• that opens from the right ventricle into the artery.

• between the right atrium and right ventricle.

• that opens from the left ventricle into the artery.

The tricuspid valve is the valve

• between the left atrium and left ventricle.

• that opens from the right ventricle into the artery.

• between the right atrium and right ventricle.

• that opens from the left ventricle into the artery.

The first heart sound is caused by the closing of the ______ valve(s).

• mitral and tricuspid

• aortic and pulmonary

• tricuspid and aortic

• mitral and pulmonary

The second heart sound is caused by the closing of the _____ valve(s).

• mitral

• semilunar

• tricuspid

• left AV

Another name for "hardening of the arteries" is

• angina pectoris.

• myocardial infarction.

• atherosclerosis.

• embolism.

Which structure is known as the "pacemaker" of the heart?

• Purkinje fibers

• Sinoatrial node

• Atrioventricular node

• Bundle of His

Which component of the conduction system actually contracts the ventricles?

• Purkinje fibers

• Sinoatrial node

• Atrioventricular node

• Bundle of His