human physiology study questions 15

human physiology study questions 15 - Lecture 15...

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2/20/08 Lecture 15: Immunology (Ch. 18) Study Questions 1. Which of the following answers presents a correct sequence of immune responses? A. B cell binds antigen, Antigen is presented by Class II MHC protein, Helper T cell binds to presented antigen and secretes activation factors, B cell proliferates into memory cells and plasma cells. B. B cell binds antigen, Antigen is presented by Class II MHC protein, Cytotoxic T cell binds to presented antigen and is activated, Cytotoxic T cell proliferates and secretes perforin to destroy infected cells. C. B cell binds antigen, Helper T cell binds to presented antigen and secretes activation factors, Cytotoxic T cells become activated and release antibodies, Antibodies bind and facilitate the destruction of the microbes. D. B cell binds antigen, Binding of antigen fully activates B cell, B cell engulfs antigen and destroys it using lysosomes, B cell proliferates into memory cells and plasma cells to prevent further infection. E.
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human physiology study questions 15 - Lecture 15...

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