A reaction that uses the absence of hemolysis of red blood cells to indicate an antigen-antibody reaction is called a(n)
A)agglutination reaction.
B)complement fixation.
C)immunofluorescence.
D)neutralization reaction.
E)precipitation reaction.

Question

Quizplus · Accepted Answer

The absence of hemolysis of red blood cells indicates that complement has not been activated, meaning that the antigen-antibody reaction has occurred and the complement system is not needed to lyse the cells. This is a characteristic of complement fixation reactions. Agglutination, immunofluorescence, neutralization, and precipitation reactions do not involve the complement system in the same way.

A Reaction That Uses the Absence of Hemolysis of Red