Atherosclerosis impedes coronary blood flow by which of the following mechanisms?
Option A: Arteries, not veins, supply the coronary arteries with oxygen and other nutrients.
Option C: Atherosclerosis is a direct result of plaque formation in the artery.
Option D: Hardened vessels can’t dilate properly and, therefore, constrict blood flow.
Plaques obstruct the vein
Plaques obstruct the artery
Blood clots form outside the vessel wall
Hardened vessels dilate to allow blood to flow through