immunity

Cards (13)

what does immunity mean
the concentration of antibodies in blood required to not feel any symptoms
what are the different types of immunity
active and passive
what is active immunity
when its developed after the immune system develops their own antibodies
what is passive immunity
when its developed after receiving antibodies from another organism
give an example of artificial active immunity
being vaccinated with a weak/inactive pathogen
give an example of natural active immunity
post infection
give an example of artificial passive immunity
being injected with antibodies
give an example of natural artificial immunity
transfer from mother to baby
is immunity immediate
no, it may take multiple exposures to develop immunity
what is the criteria for a successful vaccination programme
necessary infrastructure
availability
minimal side effects
efficient administration
herd immunity
what is an autoimmune disease
when the bodies immune system doesn't function properly and has difficulty differentiating between self and foreign antigens
what is rheumatoid arthritis
cartilage between joints erodes away (immune system attacks synovium which becomes inflamed)
can deform joints causing them to lose strength
what can cause rheumatoid arthritis
genetics
environment
hypersensitivity disorders