Infection prevention control Flashcards
define virulence
the ability of the microbe to cause disease
chain of infection
infectious agent
reservoir
portal of exit
mode of transmission
portal of entry
susceptible host
Infectious agent
any microorganism that can cause infections
- bacteria
- fungi
- viruses
resovoir
where the infectious agent normally lives or grows
can be in or on
- humans
- equipment
- environment
- food
- water
- animals
portal of exit
how the infectious agent leaves the reservoir
- blood and other bodily fluids
- skin scales
- coughing and sneezing
mode of transmission
how the infectious agent is spread from one site to another:
- direct physical contact
- contaminated objects
- the air
- contact with blood or body fluids
- ingestion of contaminated food or water
- insects or animals
portal of entry
how the infectious agent enters the body:
- open or surgical wounds
- broken skin
- eyes or mouth
- respiratory tract
- intestinal tract (ingestion)
- tubes inserted into the body
susceptible host
a person who is at risk of infection because they are unable to fight it, due to:
- underdeveloped immune system (very young person e.g.)
- weakened immune system
- drugs or diseases that weaken immune system
- breaks in the skin
- tubes inserted into the body
What to use for a urine spill
gelling agent
how to clean a blood or bodily fluid spill
apply chlorine releasing granules directly to the spill
- or 10,000ppm chlorine solution
what is needed to clean up a faeces or vomit spill?
disposable paper towels
1000ppm chlorine releasing agent
Whta chlorine releasing agents can be used to clean blood spillages?
sodium hypochlorite solution
sodium dichloroisocyanurate granules/tablets
What waste stream is amalgam disposed in?
special waste (red)
amalgam waste container key features
mercury vapour suppressant
air and watertight sealed containers