Exam 4 - Take-Home Test

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MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the question. 1) What type of immunity results from recovery from mumps? 1) A) innate immunity B) naturally acq... uired active immunity C) naturally acquired passive immunity D) artificially acquired active immunity E) artificially acquired passive immunity 2) Which of the following is the best definition of epitope? 2) A) specific regions on antigens that interact with perforins B) specific regions on antigens that interact with haptens C) specific regions on antigens that interact with antibodies D) specific regions on antigens that interact with T-cell receptors E) specific regions on antigens that interact with MHC class molecules 3) Newborns' immunity due to the transfer of antibodies across the placenta is an example of 3) A) innate immunity. B) artificially acquired passive immunity. C) naturally acquired passive immunity. D) artificially acquired active immunity. E) naturally acquired active immunity. 4) Which of the following cells is NOT an APC? 4) A) dentritic cells B) natural killer cells C) macrophages D) mature B cells E) None of the answers is correct; all of these are APCs. 5) When an antibody binds to a toxin, the resulting action is referred to as 5) A) neutralization. B) ADCC. C) opsonization. D) apoptosis. E) agglutination. [Show More]

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