Quality Control Flashcards
How often is QC ran for AHG reagent?
Each day of use
How often is QC ran for blood typing reagents?
Each day of use
How often is QC ran for antibody screening and reverse grouping cells?
Each day of use
Why do Check Cells (aka IgG sensitized cells) have to be added to a negative AHG result in an antiglobulin test?
To make sure that all serum proteins were removed by SUFFICIENT WASHING.
What does a negative check cells result imply?
- Washing was not sufficient, AHG was neutralized by serum proteins.
- AHG wasn’t added
How often are thermometers QC tested in Blood bank?
Yearly
How often are the centrifuge/cell washer SPEED and TIMERS QC-tested in blood bank?
Quarterly
How often are the centrifuge/cell washer FUNCTION QC-tested in blood bank?
yearly
How often are the centrifuge/cell washer SALINE FILL VOLUME QC-tested in blood bank?
weekly