A Laboratory Technician Performs an Antibody Titer

question 3

Multiple Choice

A laboratory technician performs an antibody titer.A reaction is detected in every dilution from 1:2 up to and including 1:64.What does this tell the technician about the amount of antibody present?

• A) The amount of antibody in the original sample can be calculated by multiplying 64 by the total number of tubes used in the dilution.
• B) The antibody is able to detectably bind all the antigen present in a sample when the concentration of antibody is at a 1:64 dilution.
• C) There is enough antibody in the serum to react visibly with antigen when diluted 64-fold, but not at 128-fold or more.
• D) All of the above

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Definitions:

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