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: Medicine
MC blood transfusion reaction is - 
Select and explain. 
A. Febrile nonhemolytic transfusion reaction, B. Hemolysis, C. Transmission of infections, D. Electrolyte imabalnce
A: Febrile nonhemolytic transfusion reaction
Answer: A: Febrile nonhemolytic transfusion reaction 
Explanation: None