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: Anatomy
Incidence of gall stone is high in - 
Select and explain. 
A. Paial hepatectomy, B. Ileal resection, C. Jejunal resection, D. Subtotal gastrectomy
B: Ileal resection
Answer: B: Ileal resection 
Explanation: Ileal resection or ileal disease decreases enterohepatic circulation of bile salts (or acids). This decreases the biliary secretion of bile salts, thus increasing the cholesterol bile acid ratio (lithogenic bile). Ref - Baileg and love 27e Topic -Gallbladder and Bileducts p1188