★ Microbiology Quiz
Superantigens are
A. body tissues that the immune system mistakes as foreign.
B. bacterial toxins that activate T cells at a 100 times greater rate than other antigens.
C. cell markers found in some member of a species but not in other members.
D. antigens that evoke allergic reactions.
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The total number of deaths in a population due to a disease is the ______ rate.
A. morbidity
B. mortality
C. incidence
D. pandemic
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