This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: G.I.T, Subject name: Surgery
[{'content': 'Meckel&;s diveiculum is patent of \nSelect and explain. \nA. Vitello intestinal duct, B. Urachus, C. Oganic diaphragm, D. None', 'role': 'user'}, {'content': "Answer: A \nExplanation: .Sometimes there may be a patent vitello-intestinal duct or a Meckel's diveiculum, which may require resection along with the bowel segment.Intestinal end may remain patent forming Meckel's diveiculum, which may be attached to umbilicus with a fibrous band. Meckel's diveiculum itself can cause diveiculitis, obstruction. ref:SRB&;s manual of surgery,ed 3,pg no 798", 'role': 'assistant'}]