During an infection with Varicella Zoster Virus (VZV), IgG will be produced. Which of the following directly apply to IgG effector function to clear the virus:
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IgG is the main antibody isotype involved in the secondary immune response and plays a critical role in neutralizing viruses, opsonization, and activating other immune components. Show more…
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8) Interferons ______. A) are virus-specific, so that an interferon produced against one virus could not protect cells against another virus B) act by increasing the rate of cell division C) interfere with viral replication within cells D) are routinely used in nasal sprays for the common cold 9) Regulatory or suppressor T cells ______. A) release cytokines that increase the activity of cytotoxic T cells and activated B cells B) decrease their activity as antigenic stimulus decreases C) may function in preventing autoimmune reactions D) aid B cells in antibody production 10) Activated T cells and macrophages release ______ to mobilize immune cells and attract other leukocytes into the area. A) Cytokines B) Perforins C) Interleukin 1 proteins D) Interleukin 2 proteins 11) Which of the following is a part of the second line of defense against microorganisms? A) keratin B) cilia C) gastric juice D) phagocytes 12) Complement proteins and antibodies coat a microorganism and provide binding sites, enabling macrophages and neutrophils to phagocytize the organism. This phenomenon is termed ______. A) diapedesis B) agglutination C) opsonization D) chemotaxis 13) Which of the following is not characteristic of the adaptive immune system? A) It is antigen-specific. B) It is dependant on T and B lymphocytes. C) It has memory. D) It is present from birth. 14) Cytotoxic T cells ______. A) are the only T cells that can directly attack and kill other cells B) require the double recognition signal of I MHC plus II MHC on the target cell in order to function C) function mainly to stimulate the proliferation of other T cell populations D) self-destruct once the antigen has been neutralized
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Part A Interferons bind to viruses and destroy them. prevent viruses from leaving cell_ interfere with viral replication. prevent viruses from entering a cell: reduce macrophage chemotaxis to the infection.
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Production of which of the following types of proteins during an innate immune response would directly lead to the lysis of invading bacterial cells? Membrane attack complex perforin immunoglobulin interferon
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