How many layers does an arterial wall possess? Which is the thickest?
A) two, the inside layer
B) three, the inside layer
C) two, the outside layer
D) three, the outside layer
E) three, the middle layer

Question

Quizplus · Accepted Answer

Arterial walls have three layers: the intima (inner layer), the media (middle layer), and the adventitia (outer layer). The media, or middle layer, is the thickest, especially in arteries, as it contains smooth muscle and elastic fibers that help regulate blood pressure and flow.

How Many Layers Does an Arterial Wall Possess? Which Is