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VTEC 575
Surgical Instruments and Aseptic Technique
| Question | Answer |
|---|---|
| Physical methods of sterilization: | filtiration raditation heat |
| filteration | use of a filter to separate particular material from liquid or gasses |
| radiation | destroys microorganisms without causing significant temp elevation |
| heat 2 types | dry heat wet heat |
| dry heat | used to sterilize materials that cannot tolerate moisture but can withstand high temp |
| wet heat | not reliable, results in more in disinfection rather than sterilization |
| Sterilization quality control: 4 types used in autoclaves | Autoclave tape Fusible melting pellet glass Culture tests Chemical sterilization indicators |
| Ethylene oxide | colorless gas at room temp. It is flammable, explosive and toxic |