A
Ultrasonic cleaner solution should be changed how often?
once a day
What kills all microorganisms?
sterilization
True or False: Instrument packages can be taken out wet
False. Can cause wicking
What kills most microorganisms?
disinfection
How often does the CDC and ADA recommend biologic monitoring?
weekly
Which classification of instruments involves contact with only intact skin?
noncritical
Which classification of instruments involves penetration with mucous membranes and non-intact skin?
semi-critical
What 4 PPE items should be used when dealing with contaminated instruments and chemicals?
utility gloves, masks, protective eyewear, lab jacket (gown)
What type of monitoring should be completed with every instrument pack?
chemical
Which classification of instruments involves penetration with bone and tissues?
critical
What is the most common method of sterilization in dentistry?
Put these in order for the 4 basic rules of the sterilization workflow pattern: sterilization, preparation/packaging, storage, receiving/sorting
1. receiving/sorting
2. preparation/packaging
3. sterilization
4. storage
Which method of monitoring is the only one that confirms true sterilization?
Biologic
What type of tape should be used for packing instruments that are not self-sealing?
indicator tape
What is the purpose of a good workflow pattern in the sterilization area?
Prevent mixing of contaminated and sterile items
What are the two names for the type of sterilization that is only used under certain conditions because the instrument is considered unsterile as soon as it leaves the machine?
flash sterilization
Unwrapped sterilization
What must be removed from instruments before sterilization?
debris/bioburden
Which type of instrument is likely to rust during steam sterilization?
carbon steel
What is the most common method of cleaning instruments?
ultrasonic
What is the name of the chemical AND the contact time for liquid chemical sterilization?
Glutaraldehyde
10 hours
What are the three methods of monitoring?
Physical
Chemical
Biologic
What are the three methods of heat sterilization?
steam
chemical vapor
dry heat
What are the three different methods for precleaning instruments?
holding solution
ultrasonic
instrument-washing machine (Thermal disinfector)
Holding solution is only necessary if
instruments cannot be processed immediately
What is the purpose of ultrasonic cleaning?
remove debris/bioburden. Reduces direct contact with the contaminated instruments.