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DEN 111 infection
chapter 13
| Question | Answer |
|---|---|
| what is the process intended to kill all microorganisms and is the highest level of microbial kill that can be achieved | sterilization |
| what is selected as the standard challenge for sterilization because of its high resistance to killing by heat and chemicals | the bacterial endospore |
| what are the three types of sterilization processes used in dentistry | heat(MC), liquid, gas |
| what type of sterilization can not be monitored routinely | liquid |
| what is a less-lethal process than sterilization intended to kill disease-producing microorganisms but not bacterial endospores | disinfection |
| spaulding classification: penetrates soft tissue, contacts bone, enters into or contacts the bloodstream or other normally sterile tissues of the mouth, cleaned and sterilized by heat | critical |
| spaulding classification: contacts mucous membranes but will not penetrate soft tissue, contacts bone, enters into or contacts the bloodstream or other normally sterile tissue of the mouth, cleaned and sterilized by heat | semi-critical |
| spaulding classification: contacts intact skin, cleaned with low-level disinfectant | noncritical |
| what means that all reusable instruments and handpieces are sterilized rather than just disinfected between use on patients | universal sterilization |
| the correct performance of the proper instrument reprocessing steps and monitoring of the sterilization step with biological, mechanical, or chemical indicators | sterility assurance |
| if instruments cannot be cleaned soon after use, they can be placed in a _____ to prevent drying of saliva and blood and to facilitate the actual cleaning | holding solution |
| the microbeladen debris in cleaning is referred to as | bioburden |
| two basic types of dental instrument cleaning systems cleared by the FDA | ultrasonic cleaners and instrument washers/washer-disinfectors |
| what is the test for instrument washers | test object surgical instruments (TOSI) |
| what is the least satisfactory approach to patient protection because it allows for unnecessary contamination before the instruments actually are used on the next patient | flash sterilization/immediate-use steam sterilization (sterilizing unpackaged instruments) |
| 3 types of steam sterilizers | gravity displacement N, vacuum pump sterilizer B, posititive steam flush/pressure pulse sterilizer S |
| what is the process that allows bacteria and fungi to penetrate wet sterilization paper | wicking |
| what provides the main guarantee of sterilization by verifying the correct functioning of sterilization cycles | biological monitoring/spore testing |
| what contain the bacterial endospores used for monitoring | biological indicators (BIs) |
| in hospital type steam sterilizers, BIs are placed inside of a standardized test pack of towels called a | process challenge device |
| a special type of class 2 CI that does not test the sterilization process but tests for air removal in vacuum steam sterilizers | bowie-dick test |
| another word for shelf life | event-related storage |
| how should one load a sterilizer | place the packages on their edges |
| the rationale for packaging instruments before placing them into a sterilizer is to | maintain their sterility after sterilization |
| spores of geobacillus stearothermophilus are used to monitor what type of sterilizers | unsaturated chemical vapor and steam |
| what type of sterilization causes carbon steel instruments to rust | steam |
| how should one sterilize a plastic rubber dam frame | liquid sterilant such as glutaralydehyde |
| spores of bacillus atrophaeus are used to monitor what type of sterilizer | dry heat |
| a chemical indicator reveals that an item | has been processed through a heat sterilizer |
| the leading cause of sterilization failure is | overloading the sterilizer |
| the purpose of an aluminum foil test is to | determine whether an ultrasonic cleaner chamber has an even distribution of sonic energy |
| the main rationale for cleaning instruments before sterilization is to | give the sterilization procedure the best chance to work |
| placing wet instruments into a dry heat sterilizer or an unsaturated chemical vapor sterilizer can | counteract the antirusting nature of these sterilizers |
| instrument packages are wet after the sterilization portion of what sterilizer cycle | steam |
| wet packages should be allowed to dry inside the sterilizer because paper packaging material may tear on handling and because | of wicking |
| a high speed handpiece that is destroyed at 149 C cannot be sterilized in | a dry heat sterilizer |
| the active ingredient in the unsaturated chemical vapor sterilization process is | formalydehyde |
| the first thing to do after a sterilization failure is to | take the sterilizer out of service for processing patient care items |
| the sterilization process is described best as being | sporidical |
| when analyzing spore tests, geobacillus stearothermophilus is incubated at what temp | 55 C (131 F) |
| what sterility assurance procedure should be performed while setting up for the next patient | the instrument packages should be observed for tears of punctures before being opened |
| critical patient care items are to be cleaned and ______ for reuse | sterilized |
| according to CDC how often is one to perform biological monitory of a sterilizer | once a week |
| meaning of a failed bowie dick test | there may be places in the sterilizer chamber that did not reach sterilizing temperature |
| what agency deals with sterilizers | FDA |
Created by:
odean9