Serologic tests determine a person’s:

Which of the following substances may interfere with gel technology but not SPRCA technology?

Units that were positive for P² antigen had to be crossmatched with serum of a patient containing the corresponding antibody because of a short supply of blood. Which of the following crossmatch results would be considered acceptable for transfusion?

Why might some blood banking facilities prefer the use of monospecific IgG over polyspecifiic antihuman globulin (AHG) in their antibody screens?

Why is rouleaux not usually found in the AHG phase of antibody screens?

Which of the following therapies is not advocated in circulatory overload?

LW has a phenotypic relationship with the ________antigen.

Why can’t autoadsorption be performed on a patient who was transfused 1 month before?

What characteristic differentiates Ss antigens from MN antigens?

A plasma inhibition study was performed on a patient whose serum sample reacted +/– on all panel cells at AHG. Three sets of A, B, C tubes were set up according to the following scheme:Tube A had 2 drops of patient serum and 1 drop of Ch(a+) Rg(a-) plasma.Tube B had 2 drops of patient serum and 1 drop of Ch(a– Rg(a+) plasma.Tube C had 2 drops of patient serum and 1 drop of Ch(a+) Rg(a+) plasma.Screening cells were added in triplicate and incubated for 60 minutes at 37°C. The antiglobulin test was performed. All three A tubes reacted at 2+, and the B and C tubes were negative. What antibody is indicated?