Complement proteins,which are activated when IgG or IgM antibodies bind antigen,
A)stimulate chemotaxis,in which neutrophils and macrophages are repelled from the affected areA.
B)cause opsonization,which coats the antibody-antigen complexes in a way that attracts phagocytes.
C)cause lysis of the T cells.
D)stimulate cytokine release.

Question

Quizplus · Accepted Answer

Complement proteins cause opsonization, which coats the antibody-antigen complexes in a way that attracts phagocytes. This leads to the ingestion and destruction of the antigen by the phagocytes.

Complement Proteins,which Are Activated When IgG or IgM Antibodies Bind