Active vs passive immunity Flashcards
1
Q
Active immunity
A
Develops naturally a pathogen invades the body and elicits a primary of secondary immune response
2
Q
Passive immunity
A
Provides immediate short term protection
3
Q
When is passive immunity conferred naturally
A
When IgG crosses the placenta from mother to fetus or when IgA passes from mother to infant breast milk
4
Q
What can active immunity develop after
A
Vaccination/immunization, introduction of antigens into the body
5
Q
Artificial pasisve immunization
A
induced artificially when high levels of antibodies specific to a pathogen or toxin (obtained from humans, horses, or other animals) are transferred to non-immune persons through blood products that contain antibodies
