SBB Practice test Review with Guaranteed Correct Answers

When preparing cryoprecipitate from plasma, the cryoprecipitate must be refrozen within? - correct answer 1 hour Donated blood may not be used for allogeneic transfusion when HCV testing shows? - correct 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. - correct answer Recurring infection (CDC says immune due to natural infection) The antigen that occurs in approximately 20% of individuals of African ethnicity is? - correct answer Js a The Diego blood group is of anthropological interest because? - correct answer Di a is more frequent in individuals of Mongolian ancestry Which antigen is a CR1? - correct answer McC c MHC Class II are found on? - correct answer Dendritic Cells Antigen-presenting cells such as dendritic cells, mononuclear phagocytes, some endothelial cells, thymic epithelial cells, and B cells. The Fc receptor on phagocytes that has the highest affinity for binding IgG is? - correct answer FcR1 The hospital blood banks that collect blood but do not ship across state lines must be - correct answer Registered with the FDA Th