Random question about the cardiac system

Question 1

An increase in afterload on the heart is most likely to be associated with what?

Answer 1

hypertension

Question 2

all of the following a true regarding the ventricles except:

a) Wall of both ventricles have trabeculae carneae and papillary muscles.
b) The lumen of the left ventricle is rounder than that of the right ventricle.
c) The wall of the left ventricle is thicker than the right ventricle.
d) The left ventricle expels a greater volume of blood per beat than the right ventricle.

Answer 2

d) The left ventricle expels a greater volume of blood per beat than the right ventricle.

Question 3

Atrioventricular valves open when?

Answer 3

Ventricular pressure falls below atrial pressure.