Unit 2 : Cross Contamination

What are the five major types of microorganisms

bacteria, viruses, algae, fungi, protozoa

what microorganisms are of most concern

bacteria and viruses

bacteria are

single celled microorganisms that can live independently

viruses are

microorganisms that invade host cells and replicate, need a host

opportunistic bacterium

helpful bacteria that cause infection when entered in the wrong body area

what is a carrier/source

person who carries and spreads microorganism capable to cause disease

what is a mode of transmission

how microorganism are transferred

what is a route of entry

the way microorganisms enter the body

cross contamination is

unintentional transfer of microorganisms from one object to another

main rule of standard precautions

treat all patients as potentially infectious

why are standard precautions important

reduces the risk of transmitting bloodborne pathogens

examples of bloodborne pathogens can be

hbv and hiv

to sanitize is to

make smth as clean as possible, not disinfect

to disinfect is to

destroy most microorganisms but not all

to sterilize is to

destroy ALLLLLLLL forms of life boy

what does aseptic mean

free from living organism / sterile

what does septic mean

contaminated

what is ppe

personal protective equipment

what is the purpose of the unit dose technique

minimizing cross contamination

what is unit dose

using only enough materials for specific procedure

what are the two main requirements of chemical disinfectant

kill microorganisms and dont damage or distort the impression/cast

what needs to be considered when disinfecting impressions

disinfectant type, concentration, exposure time, and material compatibility

3 methods of disinfecting impressions

spraying dipping and immersing

what should you do to INCOMING items

rinse disinfect and rinse again

what should you do w OUTFOING items

clean and disinfect then return to patient

what items should be heat sterilized

instruments that contact oral tissues or contaminated items

examples of heat stable instruments

metal impression trays, polishing points, lab knives

what items are disinfected rather than sterilized

items contaminated through handling ie. mixing bowls, spatulas, articulators

what to wear when using a lathe

protective eyewear

should you leave a running lathe unattended

no

what to do with sharps

put worn/broken blade in puncture resistant sharps contained

what is an sds

safety data sheet about a chemical

GHS01

explosive

GHS02

flammable

GHS03

oxidizing

GHS04

compressed gas

GHS05

corrosive

GHS06

toxic

GHS07

harmful

GHS08

health hazard

GHS09

environemental hazard