The first vaccination provides immunity because
A. a localized inflammatory response is initiated.
B. the vaccine contains manufactured antibodies against smallpox.
C. antigenic determinants in the vaccine activate B cells, which form plasma cells as well as memory cells.
D. the vaccine contains antibiotics and other drugs that kill the smallpox virus.
Answer:C
The first vaccination provides immunity because
A. a localized inflammatory response is initiated. B. the vaccine contains manufactured antibodies against smallpox. C. antigenic determinants in the vaccine activate B cells, which form plasma cells as well as memory cells. D. the vaccine contains antibiotics and other drugs that kill the smallpox virus.