Immune Response Flashcards
1
Q
What is passive immunity?
A
antibodies have not been made by the user, introduced antibodies decline relatively quickly and do not provide long lasting immunity to the receiver
2
Q
What is active immunity?
A
antibodies are produced within the person in response to exposure to a particular antigen
3
Q
What is an antigen?
A
a substance that is capable of stimulating an immune response. Specifically, they activate lymphocytes (body’s infection-fighting white blood cells)