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
Which of the following nutrients are not included in Total Parental Nutrition 
Select and explain. 
A. Lipids, B. Carbohydrates, C. Proteins, D. Fibers
D: Fibers
Answer: D: Fibers 
Explanation: 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