In an Indirect Fluorescent Immunoassay Such as the FTA Confirmatory

question 18

Multiple Choice

In an indirect fluorescent immunoassay such as the FTA confirmatory test for syphilis,all of the following are true EXCEPT:

• A) A labeled antigen is used.
• B) Washing is an important step.
• C) Patient antibody is detected.
• D) Antihuman globulin has a fluorescent tag.

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