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
Meckel&;s diveiculum, true are A/E 
Select and explain. 
A. Has three layers with aery, B. Heterotopic epithelium in 50-60% cases, C. Always gastric epithelium, D. May present with hemorrhage
C: Always gastric epithelium
Answer: C: Always gastric epithelium 
Explanation: .It is- * 2% common. * 2 feet from the ileo-caecal valve. * 2 inch in length. * It is congenital, results from incomplete closure of vitello-intestinal duct. * It is the most common congenital anomaly of small intestine. * Arises from the antimesenteric border of the ileum, containing all three layers of the bowel with independent blood supply. * In 20% of cases mucosa contains heterotopic epithelium like gastric (commonest), colonic and pancreatic tissues. * It may be connected to or communicated with the umbilicus through a band or fistula. * It may be associated with oesophageal atresia, exomphalos, and anorectal malformations. ref:SRB&;s manual of surgery,ed 3,pg no 798