This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Surgery
[{'content': 'True about TPN: \nSelect and explain. \nA. Carbohydrate forms about 40% of energy source, B. In abdominal injury early parenteral nutrition should be started, C. Proteins forms 60% of energy source, D. Lipids provide 20% of energy', 'role': 'user'}, {'content': 'Answer: D \nExplanation: Enteral versus parenteral feeding. Effects on septic morbidity after blunt and penetrating abdominal trauma.\nIn pt. with an abdominal injury, enteral nutrition is preferred over TPN.\nThe above-referred articles write that in the comparative study between TPN and TEN (Total Enteral Nutrition) it was found that- "There is a significantly lower incidence of septic morbidity in patients fed enterally after blunt and penetrating trauma, with most of the significant changes occurring in the more severely injured patients."', 'role': 'assistant'}]