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
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SBB Practice test Review QUESTIONS WITH
COMPLETE SOLUTIONS
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.
A 73 lb female is donating a 500mL autologous unit for her surgery in two weeks. How much anticoagulant should be removed from the primary container? Correct Answer: 24 mLs
Prothrombin complex is indicated for the treatment of what disease? Correct Answer: Severe Christmas Disease (Factor 9)
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