In General, as an Artery's Diameter Decreases, the Artery Walls

Multiple Choice

In general, as an artery's diameter decreases, the artery walls show

A) a decrease in the relative amount of smooth muscle and an increase in the relative amount of elastic fibers.
B) an increase in the relative amount of smooth muscle and a decrease in the relative amount of elastic fibers.
C) an increase in relative amounts of smooth muscle and elastic fibers and a decrease in endothelium.
D) a decrease in both smooth muscle and elastic fibers and an increase in areolar connective tissue.