Question 1
When viewing a dissected heart, it is easy to visually discern the right and left ventricles by ________.
◦ locating the base
◦ noticing the thickness of the ventricle walls
◦ tracing out where the auricles connect
◦ finding the papillary muscles
Question 2
Select the correct statement about the heart valves.
◦ The tricuspid valve divides the left atrium from the left ventricle.
◦ The atrioventricular (AV) valves prevent backflow of blood into the atria during ventricular contraction.
◦ Aortic and pulmonary semilunar valves control the flow of blood into the heart.
◦ The mitral (bicuspid) valve separates the right atrium from the right ventricle.