Most Effective Vaccines That Are Currently in Widespread Use Are

question 11

Multiple Choice

Most effective vaccines that are currently in widespread use are specific for pathogenic viruses,and the immunity induced by the vaccines is mediated largely by antibodies.Which of the following statements accurately describes the major mechanism by which these vaccine-dependent antibody responses function?

• A)The antibodies bind extracellular viral particles and prevent them from infecting cells.
• B)The antibodies bind to viral antigens on the surface of infected cells and promote phagocytosis of the cells.
• C)The antibodies bind to viral antigens on the surface of infected cells and promote complement-mediated lysis of the cells.
• D)The antibodies bind to extracellular viral particles and target Fc receptor-expressing cytolytic T lymphocytes to kill the viruses.
• E)The antibodies bind to viral envelope proteins and induce signals that inhibit viral replication.

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Statistical methods that summarize and organize the characteristics of a set of data.

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