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': 'Which of the following nutrients are not included in Total Parental Nutrition \nSelect and explain. \nA. Lipids, B. Carbohydrates, C. Proteins, D. Fibers', 'role': 'user'}, {'content': 'Answer: D \nExplanation: Components of Total Parenteral Nutrition Energy sources Carbohydrates Lipids Amino acids Non-Energy Essential sources Electrolytes Trace elements Vitamins Water Ref: Bailey and love 27th edition Pgno :286', 'role': 'assistant'}]