This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: DNB 2018, Subject name: Pathology
Massive blood transfusion will cause all except: 
Select and explain. 
A. Hypercalcemia, B. Hyperkalemia, C. Hypokalemia, D. Hypothermia
A: Hypercalcemia
Answer: A: Hypercalcemia 
Explanation: Massive Blood Transfusion: Most commoncomplication: Hypothermia Fast massive Blood Transfusion: |K+ Slow massive Blood Transfusion: | K+ Citrate in Blood combine with Ca+2+ leading to Hypocalcemia rather than Hypercalcemia Citrate gets conveed to Bicarbonate by liver leading to Metabolic Alkalosis (Most common electrolyte abnormality associated with massive Blood Transfusion).