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What is the purpose of an antibody screen?
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To detect unexpected antibodies to red cell antigens.
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What does a negative antibody screen indicate?
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That there are no detectable antibodies in that sample
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At what phase do Rh antibodies react best at?
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IgG 37/AHG
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At what phase do anti-Lewis ab react best at?
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IgM 24 degrees C
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At what phase does anti-P1 react at?
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IGM 24 degrees C
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At what phase do I ab react at?
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IgM 24 degrees C
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At what phase do M and N ab react?
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IgM RT
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At what phase do S,s and U antibodies react at?
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IgG 37
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At what phase do Kell ab react at?
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IgG 37
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At what phase do Kidd ab react?
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IgG 37
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At what phase do Duffy ab react?
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IgG 37
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At what phase do lutheran ab react?
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Lua - mostly IgMLub- mostly IgG
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What is required by the AABB standards for ab screening?
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AHG testingCells must contain antigens to challenge 18 AgsD,C,E,c,e,M, N, S, s, K,k,Fya,Fyb,Jka,Jkb,P1,Lea,Leb
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What is not required by the AABB standards for ab screening?
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Autocontrol - only for pos ab screentesting, Jsa,Jsb,f,V,Cw, Kpa,Kpb,Lua,LubIS and read at 37 degrees before AHG
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What type of cells are chosen as a pos ctl for ag typing?
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Heterozygous cells for that ag
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