Question

which of the following is not part of ulcerative colitis?
transmural inflammation
involves predominately the colon
immunologically mediated
onset between 20 - 30 years

Explanation:

Ulcerative Colitis (UC) is a type of inflammatory bowel disease. It is immunologically mediated, predominantly involves the colon, and has a typical onset between 20 - 30 years. Transmural inflammation (involving all layers of the bowel wall) is characteristic of Crohn's disease, not UC (UC has mucosal and submucosal inflammation mainly).

Answer:

A. Transmural inflammation