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: Unknown
[{'content': 'Most common complicationassociated with ‘Total Parenteral Nutrition’ is : \nSelect and explain. \nA. Catheter related infection, B. Hyperglycemia, C. Pneumothorax, D. Hyperkalemia', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Most common complication associated with TPN is Catheter related infection\nTotal Parenteral Nutrition :\nFor providing nutritional support\nAll nutritional requirements given only through IV route\nTPN is given through central vein and not through a peripheral vein\nCan also use Peripherally Inserted Central Catheter (PICC)\nPreferred site for central vein infusion is the Superior vena cava\nPreferred access sites are Subclavian > Jugular > Femoral vein\nTotal volume of PN should be 2000-300 ml/day', 'role': 'assistant'}]