passive immunity and active immunity

Cards (11)

what is meant by passive immunity 
this is when the body receives antibodies that have been produced by another individual
Why is passive immunity short-lived?
the antibodies are recognised as non-self and are destroyed
does passive immunity create memory cells 
no
what are two examples of passive immunity 
Breastfeeding and when pre-synthesised antibodies are injected in to an individual
give an example of a pre-synthesised antibody 
tetanus antitoxin
how can a foetus gain passive immunity 
when antibodies are transferred into the foetus via the placenta
what is active immunity 
this is when the individual produced their own antibodies
explain how active immunity is long lasting 
due to the production of antigen specific memory cells
what are examples of active immunity 
natural production following infection and artificial production following vaccination
what type of immunity is non specific
innate immunity
what type of immunity is specific
acquired immunity