SBB Practice test Review Questions with Complete Solutions Rated A+

When preparing cryoprecipitate from plasma, the cryoprecipitate must be refrozen within? - 1 hour Donated blood may not be used for allogeneic transfusion when HCV testing shows? - 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. - Recurring infection (CDC says immune due to natural infection) The antigen that occurs in approximately 20% of individuals of African ethnicity is? - Js a The Diego blood group is of anthropological interest because? - Di a is more frequent in individuals of Mongolian ancestry Which antigen is a CR1? - McC c MHC Class II are found on? - 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? - FcR1 The hospital blood banks that collect blood but do not ship across state lines must be - Registered with the FDA The best education objective for a course to teach simple repair of instruments is - Repair 9 of 10 machine malfunctions You are the supervisor in a transfusion service. One of your employees had just finished compatibility testing and was preparing to take a break. This employee never washed his hands before leaving the lab or after removing his gloves. You should - Plan an in-service for all employees concerning proper procedure for Universal Precautions.