This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Fluid & Electrolyte, Subject name: Surgery
[{'content': 'Which of the following nutrients are not included in TPN? \nSelect and explain. \nA. Lipids, B. Carbohydrates, C. Proteins, D. Fibers', 'role': 'user'}, {'content': 'Answer: D \nExplanation: Ans. (d) FibersRef: Bailey 26/e p264Total Parenteral nutrition contains:* Carbohydrates* Lipids* Amino acids* Electrolytes* Trace elements* Vitamins* Water', 'role': 'assistant'}]