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': 'In a surgical patient, the causes of non-surgical infection are all except \nSelect and explain. \nA. Lower respiratory tract infection, B. Wound infection, C. Clostridium difficile diarrhea, D. UTI', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Hospital acquired Infection (HAI) Infection that follows surgery or admission to hospital Common HAI are 1. Respiratory infections(including ventilator associated pneumonia) 10-15% 2. UTI(mostly related to urinary catheters) 30-40%(MC) 3.Bacteraemia (mostly related to indwelling vascular catheters) 10-15% Surgical site infections 15-20%(2nd most common) Antibiotic associated diarrhea, caused by clostridium difficle 5-10% Ref: Sabiston 20th edition Pgno :322-323', 'role': 'assistant'}]