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': 'All statements about adult instussusception are true except \nSelect and explain. \nA. Idiopathic & more enteric rather than colonic, B. Lead point present in majority of cases, C. Resection of bowel is adequate for large bowel intussusception, D. Hydrostatic redution with barium or air are done if bowel is not completely obstructed', 'role': 'user'}, {'content': "Answer: A \nExplanation: Most common in children Primary or secondary to intestinal pathology, e.g. polyp, Meckel's diveiculum Ileocolic is the commonest variety Can lead to an ischaemic segment Radiological reduction is indicated in most cases The remainder require surgery Ref: Bailey & Love&;s Sho Practice of Surgery,E25,Page-1191", 'role': 'assistant'}]