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
[{'content': 'MC blood transfusion reaction is- \nSelect and explain. \nA. Febrile nonhemolytic transfusion reaction, B. Hemolysis, C. Transmission of infections, D. Electrolyte imabalnce', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Answer is A (Febrile Non Hemolytic Reaction) The most frequent reactions associated with the transfusion of cellular blood components is a Febrile Non Hemolytic Transfusion Reaction (F N H T R). Febrile Non Hemolytic Transfusion Reactions (F N H T R) Clinical presentation These reaction are characterized by chills and rigors and 1degC rise in temperature Diagnosis is usually made by excluding other causes of fever in a transfused patient Prevention and Treatment Most reactions are mild and do not require any fuher investigations or treatment Their incidence and severity may be reduced by: - Use of leucocyte reduced blood products - Premedication with acetaminophen or other antipyretic agents', 'role': 'assistant'}]