Question

1. blood moving from the atria into the ventricles flow through which two valves?

a. pulmonary and mitral (bicuspid or left av)
b. aortic and pulmonary
c. tricuspid (right av) and mitral (bicuspid or left av)
d. tricuspid (right av) and aortic

Explanation:

The right atrium pumps blood through the tricuspid valve (right AV - atrioventricular) into the right ventricle. The left atrium pumps blood through the mitral (bicuspid or left AV) valve into the left ventricle.

Answer:

c. Tricuspid (right AV) and mitral (bicuspid or left AV)