Passive And Active Flashcards
What is active immunity?
Adaptive immunity;
Induced by first exposure to a foreign antigen and activation of lymphocytes;
Immunized individuals play an active role in responding to antigen
2 egs of active immunity
Natural
-induced by live pathogens;
Vaccination
-artificially induced
Significance of passive immunity
Recipient becomes immune to the antigens;
W/o ever been exposed or having responded to the antigen
2 egs of passive immunity
Transfer of antibodies
-natural immunity
Injection of anti-venom
-artificial immunity
What is passive immunity
Antigen that’s is established in one individual by the transfer of antibodies;
Or lymphocytes from another individual who is immune to that antigen