Immunity Flashcards
1
Q
How do you become immune from a disease?
A
- antibodies from mother
- being vaccinated with the pathogen
- infection with antibodies
- vaccination with dead/inactive pathogen.
2
Q
What is immunity?
A
- The ability of an organism to fight of a particular disease by the action of specific antibodies or memory cells.
3
Q
What can immunity be?
A
- Active
- passive
- natural
- artificial
4
Q
What is active immunity?
A
- Having memory cells that are able to make antibodies to a particular antigen
5
Q
What is passive immunity?
A
- being given antibodies to a particular pathogen made by a different organism
6
Q
What is natural immunity?
A
- Acquired by natural means. i.e. not a needle
7
Q
What is artificial immunity?
A
- acquired via a need/medical treatment.
8
Q
How does passive immunity protect you against disease?
A
- babies - antibodies from the mother blood can cross the placenta (natural passive).
9
Q
How does active immunity protect against disease?
A
- injection with antibodies e.g. Teatnus
