This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Blood Bank & Transfusion Therapy, Subject name: Medicine
Most common complication of blood transfusion leading to death? 
Select and explain. 
A. Hyperkalemia, B. Citrate toxicity, C. T.R.A.L.I, D. Hypothermia
C: T.R.A.L.I
Answer: C: T.R.A.L.I 
Explanation: T.R.A.L.I (Transfusion Related Acute Lung Injury) - Most common complication of blood transfusion leading to death is T.R.A.L.I Cytokine released due to antigenic difference | Damage to microvasculature of lungs | T.R.A.L.I | Death