Cardiovascular Test

What structure is indicated by Letter H ?

• pulmonary artery

• superior vena cava

• inferior vena cava

• pulmonary veins

What structure is indicated by Letter L ?

• left pulmonary veins

• right pulmonary veins

• right pulmonary artery

• left pulmonary artery

What structure is indicated by Letter E ?

• left ventricle

• right ventricle

• left atrium

• right atrium

The mitral valve is also called the ________ valve.

• tricuspid

• pulmonary

• bicuspid

• aortic

Blood is returned to the right side of the heart by the:

• aorta.

• vena cavae.

• pulmonary vein.

• pulmonary artery.

Blood exits the left side of the heart into the:

• aorta.

• vena cavae.

• pulmonary vein.

• pulmonary artery.

Which of the following statements regarding the conduction system of the heart is FALSE?

• The atrioventricular (AV) node stimulates the sinoatrial (SA) node.

• The conduction system stimulates the different chambers of the heart in the correct order.

• Purkinje fibers in the ventricular myocardium are stimulated.

• The heart rate is regulated by the autonomic nervous system.

The narrowest blood vessels are called:

• arterioles

• capillaries

• veins

• venules

Which blood vessels have the thickest smooth muscle wall?

• arterioles

• venules

• veins

• arteries

The diffusion of oxygen and nutrients from the blood into the body tissues occurs in the:

• heart

• lungs

• capillary beds

• aorta

Tags

NGSS.HS-LS2-3