Jerry had an ulcer affecting the innermost epithelium of the stomach facing the lumen.Which layer of the alimentary canal was ulcerated?
A)submucosa
B)muscularis externa
C)mucosa
D)serosa (adventitia)

Question

Quizplus · Accepted Answer

The mucosa is the innermost layer of the alimentary canal, consisting of epithelium, lamina propria, and muscularis mucosae. Jerry's ulcer affected the innermost epithelium, which implies that the lesion was located in the mucosa.

Jerry Had an Ulcer Affecting the Innermost Epithelium of the Stomach