Modern Blood Banking Study Set 1

Medicine

Quiz 5 :

The Antiglobulin Test

Quiz 5 :

The Antiglobulin Test

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How is a 40:1 ratio of serum to cells prepared for the AHG test?
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C

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In preparing anti-IgG, how is excess antibody removed for titer adjustment?
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C

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What effect does a low pH have on a saline AHG test?
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A

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Why is incubation omitted in the direct AHG test?
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An advantage of polyclonal anti-IgG over monoclonal anti-IgG is:
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Which of the following is consistent with hemolytic disease of the newborn (HDN)?
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"Complete" agglutinins that agglutinate red blood cells in saline are of which immunoglobulin class?
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All of the following are important in evaluating a positive DAT except:
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What is the incubation time for the IAT when saline is used instead of LISS?
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If not labeled "gamma heavy chain-specific," monospecific anti-IgG may contain antibodies to:
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Most clinically significant blood group antibodies are of which IgG subclasses?
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At what temperature is the incubation phase of the AHG test?
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What is the action of PEG?
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A patient came in for a routine type and screen prior to surgery. The antibody screen was negative at 37°C and at the AHG phase. Check cells did not produce agglutination often. What is a possible explanation for this result?
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Polyspecific AHG contains:
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What do "check cells" contain?
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The indirect antiglobulin test detects which antigen-antibody reactions?
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The antihuman globulin (AHG) test was discovered in 1945 by whom?
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What is a possible consequence of incubating tubes too long with LISS when performing the IAT?
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Why was anticomplement introduced into AHG sera?
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