Mod 1 Flashcards
(52 cards)
Cause of false POS or NEG in Rh typing:
- Failure to add reagent
False neg
Cause of false POS or NEG in Rh typing:
- Over shaking
False neg
Cause of false POS or NEG in Rh typing:
- Rouleaux
False Pos
Cause of false POS or NEG in Rh typing:
- Reagent deterioration
Fase neg
Cause of false POS or NEG in Rh typing:
- Cold autagglutinins
False Pos
Cause of false POS or NEG in Rh typing:
- using wrong antiserum
False pos OR false neg
Cause of false POS or NEG in Rh typing:
- Positive DAT on cells
False pos
Cause of false POS or NEG in Rh typing:
- incorrect cell suspension
False Neg
Cause of false POS or NEG in Rh typing:
- Warm autoagglutinins
False pos
Cause of false POS or NEG in Rh typing:
- Polyagglutinable cells
False Pos
Cause of false POS or NEG in Rh typing:
- blocking of antigen sites (HDFN)
False neg
Cause of false POS or NEG in Rh typing:
- Incorrect antiserum-to-cell ratio
False Neg
Cause of false POS or NEG in Rh typing:
- using a post-transfusion sample of an Rh = patient who received Rh + blood
False Pos
Cause of false POS or NEG in Rh typing:
- contaminated reagent `
False Pos OR False Neg
””"”Cause of false POS or NEG in AGT typing:
- over centrifugation or over reading
False Pos
””"”Cause of false POS or NEG in AGT typing:
- too short incubation
False neg
””"”Cause of false POS or NEG in AGT typing:
- improper storage of cells, serum, reagent
False neg
””"”Cause of false POS or NEG in AGT typing:
- Dirty glassware
False pos
””"”Cause of false POS or NEG in AGT typing:
- Test cells have positive DAT
False pos
””"”Cause of false POS or NEG in AGT typing:
- Omission of AHG
False neg
””"”Cause of false POS or NEG in AGT typing:
- bacterial contamination
False pos
””"”Cause of false POS or NEG in AGT typing:
- Contaminated AHG
False Pos
””"”Cause of false POS or NEG in AGT typing:
- centrifugation over or under
False Neg
””"”Cause of false POS or NEG in AGT typing:
- improper washing
False Neg
