Infection Control Flashcards
What is the sequence for donning PPE?
- Hand hygiene
- Gown
- Mask
- Eyewear
- Gloves
What is the wipe-discard-wipe method for?
Pre cleaning and disinfecting
How long are the water lines purged for at the beginning and end of the day?
Beginning: 2 minutes
End: 30 seconds
If the area underneath a barrier has not been compromised and a barrier falls off, what do we do?
We can simply rebarrier
How long should we wait before breaking down the unit when aerosols have been created?
15 minutes
Critical
penetrates soft tissue or bone
-must be sterilized
-ex// needles, curettes, explorers, probes
Semi-critical
touches intact mucous membrane and oral fluids
-sterilize or high level disinfection
-ex// biteblocks, mirror, ultrasonic hand piece
Noncritical
does not touch mucous membranes
-intermediate disinfection
-ex// light handles, eyewear
Environmental
no contact with patient surfaces
-low to intermediate disinfection
-ex// countertops, equipment surfaces
High level disinfectants
destroys all microorganisms but may not destroy high numbers of bacteria spores
Intermediate level disinfectants
destroys vegetative bacteria, viruses, and fungi. Registered by the EPA as tuberculocidal
Low level disinfectants
destroys vegetative bacteria, some fungi, viruses, and is not tuberculocidal.
List the information provided by the SDS sheet of a product
- Effectiveness and stability
- Directions regarding activation
- Storage
- Directions for use
- Disposal
- Warnings
- Toxicity
- Directions for emergency care
How is disinfection achieved? (What is the principal of action)
- coagulation, precipitation, and the oxidation of proteins in the microbial cells
- Denaturarion of the enzymes
List the properties of a disinfectant
- Broad spectrum
- Fast acting
- No affect by physical factors
- Nontoxic
- Surface comparability
- Residual effect on treated surfaces
- Easy to use
- Odorless
- Economical
What are the 3 types of hand hygiene?
Antiseptic hand wash: 20 sec w/ antimicrobial soap
Antiseptic hand rub: alcohol based 60-95% ethanol *non soiled hands
Surgical antisepsis: 2-6 minutes
What level of mask is mandatory in our clinic?
Level 3
What does BFE stand for?
Bacterial filtration efficiency
When do masks have to be changed?
- each hour
- each new patient
- when the mask becomes wet/soiled
We purge the water line to prevent which bacteria?
Psuedomonas aeruginosa
What are the requirements for the pre-procedural mouth rinse?
10mL of Listerine for 1 minute
List the types of sterilization
- steam under pressure (autoclave)
- dry heat
- chemical vapor
- immediate sterilization (flash)
- chemical (cold **not recommended)
Midmark 9 (autoclave)
250 degrees for 15-30 min (*plastic side up)
Statim (autoclave)
273 degrees for 4-10 min (**plastic side up)
