This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Misc., Subject name: Anatomy
[{'content': 'Pancreatic duct joins Common Bile Duct and open into which part of duodenum? \nSelect and explain. \nA. Superior, B. Ascending, C. Descending, D. Inferior', 'role': 'user'}, {'content': 'Answer: C \nExplanation: (C) Descending # Common bile duct & pancreatic duct enter the medial wall obliquely and usually unite to form the common hepatopancreatic ampulla.> Narrow distal end opens on the summit of the major duodenal papilla (ampulla of Vater), which is situated on the postero- medial wall of the second part or descending part of duodenum.', 'role': 'assistant'}]