4.1.1 Natural And Artificial Immunity Flashcards
Natural active immunity is…
When the body responds to antigens on the cell surface of a pathogen that has entered through natural means
Active immunity…
The differentiation of naive B cells into memory B cells and plasma cells that produce antibodies
Artificial immunity involves…
A form of medical intervention
Artificial active immunity examples…
Vaccines
Vaccines are…
The injection of dead or weakened forms of the pathogen so that the body can create antibodies and memory cells
Herd immunity is…
When enough of a population is vaccinated to prevent the transmission of disease to unvaccinated people (generally 80-85% of the population)
Passive immunity…
Doesn’t result in the retention of memory cells
Natural passive immunity…
Babies breastfed within a few days of birth will get some of the mother’s antibodies through her milk
Artificial passive immunity…
The injection of blood plasma containing antibodies
