<prompt> MC blood transfusion reaction is-Febrile nonhemolytic transfusion reactionHemolysisTransmission of infectionsElectrolyte imabalnce  <response>: 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 