SBB Practice Test Review Exam Questions with 100% 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 The best education objective for a course to teach simple repair of instruments is Correct Answer 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 Correct Answer Plan an in-service for all employees concerning proper procedure for Universal Precautions.