1.9 Immunity Flashcards
1
Q
What is a vaccine made from?
A
Dead or inactive forms of a pathogen.
2
Q
What happens when a vaccine is injected into the body?
A
The white blood cells react by producing antibodies.
3
Q
Why does a vaccine prevent further infection by the pathogen which has been injected into the body?
A
The body will develop antibodies to the pathogen, if a further infection occurs it will recognise the antigen (protein shape) of the pathogen and will be able to respond quickly by producing more antibodies.
4
Q
Are vaccines given to protect against viral or bacterial pathogens?
A
Both
5
Q
Give an example of a common vaccine
A
MMR (measles, mumps, rubella)
6
Q
Why are vaccines used mostly for viral pathogens?
A
Viruses can be treated by antibiotics, so it is best to prevent them with vaccinations
