Not true of cholelithiasis -

Ans. is 'd' i.e., Ilea refection has no effect on gall stone formation Pathogenesis of Cholesterol gall stoneso There are three elements necessary for the formation of cholesterol gall stonesLithogenic bileNucleation andStasis or gall bladder hypomotilityo Ideal disease/resection decreases or impairs enterohepatic circulation of bile salts leading to lithogenic bile.