QUIZ 1. What statement is not true of B lymphocytes or B cells? a. Mature B cells are called plasma cells. b. These cells make antibodies. c. The cells mature in the bone marrow. d. These cells are not directly associated with memory. Answer: d. Each of these is true of the B cells except they are directly associated with memory. There are memory B cells that retain the ability to make antibodies to a subsequent infection. 2. What is the difference between PAMPs and antigens? a. Antigens are not related to pathogens and PAMPs are related to pathogens. b. Antigens are specific to a particular pathogen and PAMPs are not specific. c. Antigens are made from glycoproteins and PAMPs are lipids. d. Antigens are associated with viruses and PAMPs are associated with bacteria. Answer: b. Antigens and PAMPs are very similar except that PAMPs are not specific to a particular pathogen, while antigens are very specific to a pathogen. 3. What structure is least likely to be an antigen? a. Viral spike protein b. Bacterial capsule c. Nucleic acid segment d. Fimbriae components Answer: c. Antigens tend to be something on the outside of a virus, bacterium, or other pathogen but nucleic acids, being internal, are not generally antigenic.
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