Complement proteins, which are activated when IgG or IgM antibodies bind antigen,

A. cause lysis of the T cells.
B. stimulate chemotaxis, in which neutrophils and macrophages are repelled from the affected area.
C. stimulate cytokine release.
D. cause opsonization, which coats the antibody-antigen complexes in a way that attracts phagocytes.


Answer: D

Anatomy & Physiology

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