Which of the Following is Not True of the Tunica

Question

Which of the following is not true of the tunica interna?
A)It contains an epithelial layer of stratified squamous epithelium.
B)It is the innermost layer of an artery or vein.
C)It provides a smooth lining adjacent to the lumen of the blood vessel.
D)It contains a basement membrane in both arteries and veins.
E)All of these are true of the tunica interna.

Accepted Answer

The tunica interna, or intima, does not contain an epithelial layer of stratified squamous epithelium. Rather, it contains a layer of simple squamous epithelium called the endothelium.