WorksheetsChapter 3: Blood Bank Applications of Antigen-Antibody Reactions
Total questions: 10
Worksheet time: 3mins
Which tests utilize the AHG technique?
Antibody screen
Antibody Identification
Crossmatch
All of the above
IgG antibodies are detected by the use of which reagent?
LISS
PEG
AHG
Check Cells
The test that detects antibodies bound to RBCS in vivo is the:
IAT
DAT
Antibody screen
Antibody Identification
For the DAT, anti-IgG and anti-C3d are part of the _______ reagent.
Polyspecific
Monospecific
What must be added to all tubes that give a negative reaction at the AHG phase of testing?
LISS
PEG
Check Cells
Nothing
The purpose of enhancement reagents is:
increase incubation time
increase rate and specificity of antibody attachment
influence lattice formation
increase supplier cost
Which class of antibodies react best at room temperature?
IgG
IgA
IgM
IgE
If no agglutination is seen at the 37, AHG, or Check Cell phases of testing, what is the MLT's next step?
Report as positive
Report as negative
Repeat test
Add LISS
In solid phase testing, a solid pellet of cells indicates a ____ reaction.
Positive
Negative
In gel testing, a solid band on top of the gel indicates a _____ reaction.
Positive
Negative
