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': 'Which of the following nutrients are not included in Total parenteral nutrition: \nSelect and explain. \nA. Lipids, B. Carbohydrates, C. Proteins, D. Fibres', 'role': 'user'}, {'content': 'Answer: D \nExplanation: Dietary fibres are not provided through parenteral nutrition.\nParenteral nutrition solution contains essential nutrients including protein, carbohydrates, fat, vitamins, trace elements electrolytes and water.', 'role': 'assistant'}]