Complement Proteins, Which Are Activated When IgG or IgM Antibodies

question 29

Multiple Choice

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.

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