This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: General anatomy, Subject name: Anatomy
[{'content': 'All of the following are major complications of massive transfusion except \nSelect and explain. \nA. Hypothermia, B. Hypocalcaemia, C. Hypokalemia, D. Hypomagnesemia', 'role': 'user'}, {'content': "Answer: C \nExplanation: Hyperkalemia not hypokalemia is a major complication of a massive blood transfusion Metabolic complications of Massive transfusion General Fluid overload Hypothermia Impaired oxygen delivery capacity of Hb (decreased 2,3-DPG) Electrolyte Hyperkalemia Hypocalcemia Hypomagnesemia Metabolic alkalosis Metabolic acidosis (rare) Ref: Harrison's 19th edition Pgno :138e-3", 'role': 'assistant'}]