Pathology G.I.T. 53b88cc0 Old male with H/O long intake of antibiotics. Diagnosis? A Pseudomembranous Colitis B Chrons C Ulcerative colitis D Amoebic colitis High-Yield Explanation Ans. (a) Pseudomembranous enterocolitisThe mucosal surface of the colon seen here is hyperemic and is partially covered by a yellow-green exudate.