This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Nutrition, Subject name: Medicine
[{'content': 'For which of the following patients is a home total parenteral nutrition (TPN) program most likely to be useful? \nSelect and explain. \nA. an untreatable disease, B. a 4-day requirement for nutrition, C. short bowel syndrome, D. neoplasms with bowel obstruction', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Home parenteral nutrition is usually helpful in extreme short-bowel syndrome, chronic obstruction due to adhesions, and severe radiation enteritis. Placement of a central venous catheter, careful calculation of fluid and nutritional requirements, and meticulous monitoring are required in a long-term parenteral nutrition program.', 'role': 'assistant'}]