This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Gall Bladder & Bile Ducts, Subject name: Surgery
[{'content': 'Following factor increase formation of gall stones \nSelect and explain. \nA. Vagal stimulation, B. Octreotide, C. Low fat diet, D. Hypercholesterolemia', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Ans. (b) OctreotideRef: Bailey 26th edition 1107Cholesterol Gall stones are predisposed by:* High fat diet* High calories intake* Obesity* High Cholesterol and Low Bile salts in Bile.* Drugs like Somatostatin analogues* Truncal vagotomy leading to Bile stasis* Ileal resection* Crohn disease* Short Bowel syndrome', 'role': 'assistant'}]