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': 'TPN may be complicated by - \nSelect and explain. \nA. Obstructive jaundice, B. Hyperosteosis, C. Hypercalcemia, D. Pancreatitis', 'role': 'user'}, {'content': 'Answer: C \nExplanation: • Characterized by severe fluid and electrolyte shifts in malnourished patients undergoing refeeding.\n• It can occur with either enteral or parenteral nutrition but is more common with the latter.\n• It results in hypophosphataemia, hypocalcaemia and hypomagnesaemia.\n• Risk Factors: Alcohol dependency, severe malnutrition, Anorexics and prolonged periods of fasting.\nTreatment\n• Treatment involves matching intakes with requirements and assiduously avoiding overfeeding.\n• Calorie delivery should be increased slowly and vitamins administered regularly.\n• Hypophosphataemia and hypomagnesaemia require treatment.', 'role': 'assistant'}]