Active vs passive immunity

Question 1

Active immunity

Answer 1

Develops naturally a pathogen invades the body and elicits a primary of secondary immune response

Question 2

Passive immunity

Answer 2

Provides immediate short term protection

Question 3

When is passive immunity conferred naturally

Answer 3

When IgG crosses the placenta from mother to fetus or when IgA passes from mother to infant breast milk

Question 4

What can active immunity develop after

Answer 4

Vaccination/immunization, introduction of antigens into the body

Question 5

Artificial pasisve immunization

Answer 5

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