Cardiovascular Test Review

When this chamber contracts, it pushes blood through the tricuspid valve

• right atria

• right ventricle

• left atria

• left ventricle

One of the body's largest blood vessels that transports blood from the body region below the diaphragm to the heart

• superior vena cava

• inferior vena cava

• pulmonary trunk

• pulmonary veins

When blood leaves this chamber of the heart, it heads out to the body (not the lungs)

• left atrium

• right atrium

• left ventricle

• right ventricle

This is responsible for distributing electrical impulses through the heart

• Atrioventricular node

• Sinoatrial node

• Inferior vena cava

• Superior vena cava

This chamber of the heart receives oxygenated blood from the lungs

• right atrium

• right ventricle

• left atrium

• left ventricle

These are the smallest blood vessels with the thinnest walls in order to maximize diffusion of nutrients in and out of the interstitial fluid

• arteries

• veins

• capillaries

• aorta

Which best explains why capillary walls are so thin?

• because they do not need to pump blood

• because they are found only in the smallest organs and tissues

• because they maximize diffusion of nutrients

• because blood only travels through them slowly

These carry blood away from the heart

• Arteries

• Veins

Blood traveling through the systemic circuit goes through the _____ side of the heart and out to the body

• right

• left

Why is coronary circulation necessary?

• because blood needs to be pushed throughout the entire body

• because the heart itself needs nourishment

• because the scalp requires an exceptional amount of nourishment