BI 385 Immunology: Final Practice Exam
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hapter 11 11.1 Which of the following statements is incorrect regarding memory B cells? a. Memory B cells are maintained for life. b. In secondary responses, the number of pathogen-specific B cells ... is about 10-100-fold that seen in primary responses. c. The sensitivity of memory B cells is improved compared with naive B bells because affinity maturation has occurred. d. Memory B cells express lower levels of MHC class II and B7 than do naive B cells. e. Memory B cells differentiate into plasma cells more rapidly than do naive B cells. 11.2Which of the following characterizes immunological memory? (Select all that apply.) a. The host retains the capacity to mount a secondary immune response. b. The host retains the ability to respond to pathogen many years after primary exposure. c. Naive T cells are activated more quickly when exposed to pathogen. d. Memory B cells produce higher-affinity antibody than naive B cells. e. Memory T cells undergo somatic hypermutation. f. Memory T cells express CD45RA. 11.3Which o [Show More]
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