<prompt> Following factor increase formation of gall stonesVagal stimulationOctreotideLow fat dietHypercholesterolemia  <response>: 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 