This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: General surgery, Subject name: Surgery
[{'content': "Perforated peptic ulcer is treated by \nSelect and explain. \nA. Vagotomy + Pyloroplasty, B. Vagotomy + Antrectomy, C. Vagotomy + repair of perforation, D. Graham's repair", 'role': 'user'}, {'content': 'Answer: C \nExplanation: Vagotomy is a procedure that transects the vagal trunks (truncal vagotomy) or distal nerve fibers (highly selective vagotomy). Truncal vagotomy aims to reduce the gastric acid secretion, thus reducing the risks of recurrent PUD. Ref Srb surgery 978p', 'role': 'assistant'}]