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Bi b240 act & pass

grcc bi 240 active and passive acquired immunity

Active you make your own antibodies and memory
Passive antibodies are passed on to you but no memory cells
Active natural immunity is activated when pathogen enter body and cause illnesss
Active natural immunity forms antibody's and memory cells in host (i.e. chicken pox)
Active artifical immunity is activated when vaccine is injected into person.
After Active artifical immunity is stimulated with a vaccine it stimulates immune system forming antibodies (think of measles vaccines
Passive natural immunity passes antibody from mother to child to provide temporary protection (i.e. breast milk)
Passive active immunity is actived when antibodies are injected into a person to provide temporary protection or minimize severity of infection. (i.e. rabies)
Two types of human defense mechanisms Innate resistance vs adaptive immunity
innate resistance is natural as it is species specfic and is genetically determined
Innate resistance natural barriers physical, mechanical and chemical
Innate resistance innate inflammation first line of defense is breached
Adaptive immunity is an acquired or specific immunity
Adaptive immunity is either active or passive
Active natural immunity develops after exposure to antigen
active artificial immunity develops after administration of vaccine.
Passive natural immunity maternal antibodies cross placenta in breast milk
Passive artificial immunity antibodie adminstered to combat infection.
Created by: Wends1984