This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Small & Large Intestine, Subject name: Surgery
[{'content': 'All are features of viable bowel, except: \nSelect and explain. \nA. Vascularity, B. Musculature, C. Presence of food, D. Shiny peritoneum', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Ans: c (Presence food) Ref: Bailey & Love, 24th ed, p. 1191Presence of food in the intestine is not a sign of viability.Differentiation b/w viable and non-viable intestineIntestineViableNon-viableCirculationDark colour becomes lighterMesentery bleeds if prickedDark colour remainsNo bleeding if prickedPeritoneumShinyDull & lusterlessIntestinalFirmFlabby, thin & friablemusculaturePressure rings may or mayPressure rings persist not disappearPeristalsisPeristalsis may be observedNo peristalsis', 'role': 'assistant'}]