Wednesday, August 6, 2008

Blood Bank Quiz


Blood Bank Quiz


Shands at UF- Blood Bank Quiz

Choose the best answer.




  1. What blood type is not possible for an offspring of AO and BO persons.


  2. AB

    A or B

    All are possible



  3. What factors influence the physical attachment of antibodies to RBC antigens?


  4. Concentration of antibodies and antigens

    Temperature

    All of the above



  5. What antibodies are formed by a Bombay individual?


  6. Anti-A and Anti-B

    Anti-H

    Anti-A, anti-B, and anti-H



  7. What reagents should be used to resolve an A subgroup with anti-A1?


  8. Anti-B from a nonimmunized donor; O cells; autocontrol

    A2 cells; anti-A1 lectin; anti-H; anti-A,B; O cells

    Anti-H; anti-A,B; A2 cells; Bombay cells



  9. Which of the following results is discrepant? Anti-A= neg; anti-B= 4+; A1cells= neg; Bcells= neg


  10. Negative B cells

    No problem with this typing

    Negative A1 cells



  11. What antibodies could an R1R1 individual make if exposed to R2R2 blood?


  12. Anti-e and Anti-C

    Anti-E and anti-c

    Anti-E and Anti-C



  13. What techniques are necessary for weak D testing?


  14. Saline + 22C incubation

    Saline + 37C incubation

    37C incubation + IAT



  15. What is the purpose of adding antibody-coated red cells to all negative AHG tubes?


  16. To ensure proper tube reading

    To check for attachment of additional antibody

    To ensure proper cell washing and addition of AHG reagent



  17. Which antibody does not usually give a mixed-field reaction?


  18. Anti-Lua

    Anti-Sda

    Anti-Dia



  19. Which procedure would help to distinguish between an anti-e and anti-Fya in an antibody mixture?


  20. Lower pH of test serum

    Run an enzyme panel

    Run a regular panel