Definitions Flashcards
Define hazard
Something that has potential to harm you
Define risk
The likelihood of a hazard causing harm
Define commensal organism
and give 2 examples
An organism that doesn’t cause harm, and is on the body surface
e.g. Staph.aureus on the skin, E.coli in the gut
Define pathogen (pathogenic organism)
A microorganism that does cause harm
Define opportunistic pathogens
and give 1 example
Microorganisms that cause disease
Define exogenous infection
An infection caused by agents in the environment
Define endogenous infection
An infection caused by agents present inside or on the body
Define isolated
That specific organismic is grown
Define detected
There is evidence of a reaction
Define indicated
That organism has not been seen, but the effects of it has been seen
Define zoonosis
A disease that can be transmitted to humans from animals
Define antigenic variation
VARIATION on the SURFACE of the antigen
Define antigenic shift
Sudden change/mutation
Define antigenic drift
Partly mutated
Define inoculate
To transfer something to where it can grow or reproduce.