Cardiovascular System: The Heart

Cardiovascular System: The Heart

Multiple Choice

Which of the following show the correct order of valves (starting point is R. atrium)?

• tricuspid, bicuspid, pulmonary, aortic

• tricuspid, pulmonary, bicuspid, aortic

• tricuspid, aortic, bicuspid, pulmonary

Open Ended

Why do the pulmonary arteries carry deoxygenated blood if all other arteries carry oxygenated blood?

Multiple Choice

What structures prevent backflow of blood into the heart?

• arteries

• capillaries

• ventricles

• valves