This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Fluid, Electrolyte and Nutrition, Subject name: Surgery
Complication of total parenteral nutrition is:- 
Select and explain. 
A. CHF, B. Hypochloremia, C. Metabolic acidosis, D. Leukopenia
C: Metabolic acidosis
Answer: C: Metabolic acidosis 
Explanation: One of the complication of total parenteral nutrition is metabolic acidosis. COMPLICATIONS OF TPN MC complication of central venous catheterization (CVC): Catheter related sepsisQ Most dangerous complication following CVC: PneumothoraxQ Electrolyte Abnormalities in TPN Hyponatremia and hypernatremiaQ Hypokalemia and HyperkalemiaQ Hypophosphatemia and hyperphosphatemiaQ Hypomagnesemia and HypermagnesemiaQ Hypocalcemia and hypercalcemiaQ High zinc and low zincQ High copper and low copperQ Hyperchloremic metabolic acidosisQ