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
All of the following are major complications of massive transfusion except 
Select and explain. 
A. Hypothermia, B. Hypocalcaemia, C. Hypokalemia, D. Hypomagnesemia
C: Hypokalemia
Answer: C: Hypokalemia 
Explanation: 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