Author Question: Why must the muscles of the left ventricle be the strongest ones in the heart? a. The mitral ... (Read 59 times)

kshipps · **on:** Jul 24, 2018

Why must the muscles of the left ventricle be the strongest ones in the heart?

a. The mitral (bicuspid) valve is larger than the aortic valve.
b. The left ventricle receives blood under high pressure from the pulmonary system.
c. The pressure in the aorta is higher than the pressures elsewhere in the circulatory system.
d. Blood in the left ventricle is oxygenated, making it thicker and harder to move than deoxygenated blood.

Question 2

Which two factors are most likely to result in improved cardiac output?

a. Greater preload; greater afterload
b. Greater preload; reduced afterload
c. Reduced preload; greater afterload
d. Reduced preload; reduced afterload