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 is the coating of the antibody-antigen complexes in a way that attracts phagocytes. This helps promote the immune response by enhancing phagocytosis.

Complement Proteins, Which Are Activated When IgG or IgM Antibodies