Solved by a verified expert:3Review the characteristics of chemical agents of microbial control by completing each sentence.alcoholbroad-spectrumchemicalsdeodorizingenzymesloworganic matterpreservativesrestrictedstainsAntimicrobial ____________ occur in liquid, gaseous or even solid forms.They range from disinfectants and antiseptics to sterilants and ____________ , which are chemicals which can be used to inhibit the deterioration of food products.The use of chemical agents as germicides is very important in health-related fields today, due to their ability to have rapid action in ____________ concentrations and their ability to remain functional when solubolized in water or ____________ .In addition, many of these agents have ____________ microbicidal action without exhibiting toxicity as well as the ability to sustain a persistent action on inanimate surfaces.Other agents are resistant to the inactivating action of ____________ , while others exhibit noncorrosive, sanitizing or ____________ properties and are affordable and readily available to users.5Select the appropriate uses of hydrogen peroxide for antimicrobial purposes.contact lens disinfectionskin antisepsis prior to surgerysterilization of laboratory glasswarelow temperature sterilizing cabinets for colonoscopeswound cleansingdisinfection of countertops and other environmental surfaces7Complete the sentences to test your knowledge of factors affecting microbial death rate.compositionconcentrationinorganicmode of actionnumberorganicpHtemperaturetimeThe effectiveness of a particular microbicidal agent is governed by several factors besides ____________ .The ____________ of microbes affects the action of an agent, as does the ____________ of the population.The ____________ as well as the ____________ level of the environment will also influence the action of microbicidal agents.The ____________ of the agent as well as its ____________ against microbes also play a role in its ability inactivate microbes.Finally, the presence of ____________ matter, such as saliva and blood, also inhibit the action of many microbicidal agents.8The two microbial forms most resistant to chemical and physical control measures are _____ or proteinaceous infectious particles, and ______ produced by Bacillus and Clostridium species.porins, granzymesprions, endosporesmicro RNAs, envelopesribozymes, capsules9dessicationexposurelongerlowerminimum inhibitory concentrationpHshortertemperaturethermal death pointthermal death timeAdequate sterilization requires that both ____________ and length of ____________ be properly controlled.In general, higher temperatures allow ____________ exposure times, while ____________ temperatures require ____________ exposure times.In terms of these strategies, the ____________ is defined as the shortest length of time required to kill all test microbes at a specified temperature.An optional measurement used to compare the susceptibility of microbes to heat is the ____________ , which is defined as the lowest temperature required to kill all microbes in a sample in 10 minutes.10A ______ agent would be used to destroy bacteria on a countertop whereas an _______ agent would be used on skin prior to making an incision.antiseptic, sterilantdisinfectant, sterilantdisinfectant, antisepticantiseptic, disinfectant11Select which of the following is a nonionizing form of radiation that is more often used for disinfection purposes.Gamma raysX raysCathode raysUV radiation12Select the methods below that illustrate the use of moist heat to control microbes.steam autoclaveincinerationpasteurizationdesiccationtyndallizationboiling water15Match the term with its description to test your understanding of microbial control terminology.1. Antisepsis2. Disinfection3. Sterilization4. DecontaminatioNO ANSWER1234Destruction of all microbial lifeNO ANSWER1234Reduction of most microbial life on inanimate surfacesNO ANSWER1234Reduction of most microbial life on living tissueNO ANSWER1234Mechanical removal of most microbes from living or inanimate surfacesCreated with RaphaëlPhysical agentsPhysical agentsHeatHeatRadiationRadiationDryDryMoistMoistIncinerationIncinerationSteam under pressureSteam under pressureIonizingIonizingX ray, cathode, gammaX ray, cathode, gammaUVUVNonionizingNonionizingGasesGasesFiltrationFiltrationDisinfectionDisinfectionSterilizationSterilizationAntisepsisAntisepsisDecontaminationDecontamination
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