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 remnant of \nSelect and explain. \nA. Thyroglossal tract, B. Midgut, C. Urachus, D. Vitelline duct', 'role': 'user'}, {'content': "Answer: D \nExplanation: It is a congenital diveiculum arising from the terminal ileum and is pa of the unobliterated proximal poion of the vitello intestinal duct..Intestinal endof the vitelline duct 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'}]