<prompt> Blood transfusion should be completed within how many hours of initiation-4 hours6 hours8 hours12 hours  <response>: Ans. is a i.e., 4 hours o Blood transfusion should be completed in less than 4 hours because of the dangers of bacterial proliferation. which may occur as blood warms to room temperature.One unit of red cells is often given in 1 to 4 hours. Infusion of a unit for longer than 4 hours in not recommended, as there is a risk of bacterial proliferation because the opened unit is at room temperature.Whole blood stored at 4degCPacked RBCPlatelet Rich Plasmao Stored at 4degCo Use within 20 dayso Stored at room tempo Use within 8-12 hours Platelet concentrateFresh frozen plasmao Stored at room tempo Use within 4 hourso Can be used till one year o Stored at -20degC CryoprecipitateCryosupernetanto Rich in vWF, fibrinogen, factor VIII and fibronectino Can be used till one yearo Has all coagulation and plasma proteins except vWF, fibrinogen, factor VIII and 