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CST CHAPTER 11 DECONTAMINATION, STERILIZATION AND DISINFECTION QUESTIONS WITH COMPLETE ANSWERS.
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CST CHAPTER 11 DECONTAMINATION, STERILIZATION AND DISINFECTION QUESTIONS WITH COMPLETE ANSWERS.
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CST CHAPTER 11 DECONTAMINATION,STERILIZATION AND DISINFECTION
QUESTIONS WITH COMPLETE
ANSWERS
Association ssfor ssthe ssAdvancement ssof ssMedical ssInstrumentation ss(AAMI): ss-
ssAnswer ssThe ssAAMI ssis ssan ssauthoritative sssource ssof ssstandards ssfor sssterilization
ssand ssdisinfection.
Antisepsis ss- ssAnswer ssA ssprocess ssthat ssgreatly ssreduces ssthe ssnumber ssof
ssmicroorganisms sson ssskin ssor ssother sstissue.
Bactericidal ss- ssAnswer ssAble ssto sskill ssbacteria.
Bacteriostatic ss- ssAnswer ssChemical ssagent sscapable ssof ssinhibiting ssthe ssgrowth ssof
ssbacteria.
Biofilms ss- ssAnswer ssDense sscolonies ssof ssbacteria ssthat ssadhere sstightly ssto
sssurfaces. ssBiofilms, sswhich ssare ssresistant ssto sschemical ssdisinfectants ssand
ssscrubbing, ssare ssa ssmatrix ssof ssextracellular sspolymers ssproduced ssby
ssmicroorganisms. ssThese sssubstances ssbind ssthe ssmicroorganisms sstightly ssto ssa
ssliving ssor ssnonliving sssurface, ssmaking ssthem sshighly ssresistant ssto ssantimicrobial
ssaction.
Biological ssindicators ss- ssAnswer ssA ssquality sscontrol ssmechanism ssused ssin ssthe
ssprocess ssof sssterilization. ssIt ssconsists ssof ssa ssclosed sssystem sscontaining
ssharmless, ssspore-forming ssbacteria ssthat sscan ssbe ssrapidly sscultured ssafter ssthe
sssterilization ssprocess.
Case sscart sssystem ss- ssAnswer ssA ssmethod ssof ssreceiving ssclean ssand sssterile
ssequipment ssand sspreparing ssit ssfor sstransportation ssto ssa sscentral ssdecontamination
ssarea. ssAll ssequipment ssis sscontained sswithin ssa sscovered ssmovable ssstorage sscart.
Cavitation ss- ssAnswer ssA ssprocess ssin sswhich ssair ssbubbles ssare ssimploded ss(burst
ssinward), ssreleasing ssparticles ssof sssoil ssor sstissue ssdebris.
, Central ssProcessing ss(CP) ssdepartment ss- ssAnswer ssThe ssarea ssof ssthe sshospital
sswhere ssmedical ssdevices ssand ssequipment ssare ssprocessed; ssalso sscalled ssCentral
ssSurgical ssSupply ssor ssthe ssSurgical ssProcessing ssDepartment.
Central ssprocessing sstechnicians ss- ssAnswer ssSkilled ssprofessionals sswho ssspecialize
ssin ssprocessing ssand ssmaintenance ssof ssmedical ssdevices ssused ssin ssthe sshealth
sscare ssfacility.
Chemical ssindicator ss- ssAnswer ssA ssmethod ssof sstesting ssa sssterilization ssparameter.
ssChemical ssstrips sssensitive ssto ssphysical ssconditions, sssuch ssas sstemperature, ssare
ssplaced sswith ssthe ssitem ssbeing sssterilized ssand sschange sscolor sswhen ssthe
ssparameter ssis ssreached; sssometimes sscalled ssa sschemical ssmonitor.
Chemical sssterilization ss- ssAnswer ssA ssprocess ssthat ssuses sschemical ssagents ssto
ssachieve sssterilization.
-cidal ss- ssAnswer ssA sssuffix ssindicating ssdeath. ssFor ssexample, ssbactericidal ssmeans
ss"able ssto sskill ssbacteria."
Cleaning ss- ssAnswer ssA ssprocess ssthat ssremoves ssorganic ssor ssinorganic sssoil ssor
ssdebris ssusing ssdetergent ssand sswashing.
Cobalt-60 ssradiation ss- ssAnswer ssA ssmethod ssof ssinstitutional ssbulk sssterilization
ssused ssby ssmanufacturers ssto sssterilize ssprepackaged ssequipment ssusing ssionizing
ssradiation.
Contaminated ss- ssAnswer ssRendered ssnonsterile ssand ssunacceptable ssfor ssuse ssin
sscritical ssareas ssof ssthe ssbody.
Decontaminated ss- ssAnswer ssA ssprocess ssin sswhich ssrecently ssused ssand sssoiled
ssmedical ssdevices, ssincluding ssinstruments, ssare ssrendered sssafe ssfor sspersonnel ssto
sshandle.
Detergent ss- ssAnswer ssA sschemical ssthat ssbreaks ssdown ssorganic ssdebris ssby
ssemulsification ss(separation ssinto sssmall ssparticles) ssto ssaid ssin sscleaning.
Disinfection ss- ssAnswer ssDestruction ssof ssmicroorganisms ssby ssheat ssor sschemical
ssmeans. ssSpores ssusually ssare ssnot ssdestroyed ssby ssdisinfection.
Enzymatic sscleaner ss- ssAnswer ssA ssspecific sschemical ssused ssin ssdetergents ssand
sscleaners ssto sspenetrate ssand ssbreak ssdown ssbiological ssdebris, sssuch ssas ssblood
ssand sstissue.
Ethylene ssOxide ss(OD) ss- ssAnswer ssA sshighly ssflammable ssgas ssthat ssis sscapable ssof
sssterilizing ssan ssobject.
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