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SBB PRACTICE TEST REVIEW 2025 QUESTIONS AND ANSWERS When preparing cryoprecipitate from plasma, the cryoprecipitate must be refrozen within? - ....ANSWER ...-1 hour Donated blood may not be used for allogeneic transfusion when HCV testing shows? ....ANSWER ...-EIA initial testing reactive, and one of the duplicate repeat results is reactive The following hepatitis B testing results indicates: HBsAg: Nonreactive, Anti-HBc: Reactive, Anti-HBs: Reactive, RNA HBV: nonreactive. - ....ANSWER ...-Recurring infection (CDC says immune due to natural infection) The antigen that occurs in approximately 20% of individuals of African ethnicity is? ....ANSWER ...-Js a The Diego blood group is of anthropological interest because? - ....ANSWER ...-Di a is more frequent in individuals of Mongolian ancestry Which antigen is a CR1? - ....ANSWER ...-McC c MHC Class II are found on? - ....ANSWER ...©️ 2025, ALL RIGHTS RESERVED ...-Dendritic Cells 1