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MDA Chapter 21
Principles & Techniques of Sterilization
| Term | Definition |
|---|---|
| autoclave | Used to sterilize articles by way of steam under pressure |
| biologic indicators | Vials or strips, also known as spore tests, that contain harmless bacterial spores; used to determine whether sterilization has occurred. |
| biologic monitoring | Verifies sterilization by confirming that all spore-forming microorganisms have been destroyed |
| chemical vapor sterilization | Sterilization by means of hot formaldehyde vapors under pressure |
| clean area | Place where sterilized instruments, fresh disposable supplies, and prepared trays are stored. |
| contaminated area | Place where contaminated items are brought for precleaning |
| critical instruments | Item used to penetrate soft tissue or bone |
| endospore | A resistant, dormant structure formed inside of some bacteria that can withstand adverse conditions |
| non-critical instruments | Items that come in contact with intact skin only |
| process indicators | Tapes, strips, or tabs with heat-sensitive chemicals that change color when exposed to a certain temperature. |
| process integrators | Strips placed in packages that change color when exposed to a combination of heat, temperature, and time. |
| semi-critical instruments | Items that come in contact with oral tissues but does not penetrate soft tissue or bone |
| ultrasonic cleaner | Instrument that loosens and removes debris by sound waves traveling through a liquid. |
| use-life | Period of time during which a germicidal solution is effective after it has been prepared for use |