In the Complement Fixation Test, the Presence of an Antibody/antigen

question 6

Multiple Choice

In the complement fixation test, the presence of an antibody/antigen reaction is detected because

• A)it precipitates complement proteins.
• B)complement C5-9 are consumed in the specimen.
• C)complement is bound and is unavailable to lyse sensitized red blood cells.
• D)complement is activated and it lyses red blood cells.
• E)complement C3 is consumed in the specimen.

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