BIOS 242 Week 4 Assignment; Concepts; Controlling Microbial Growth

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Contributor

Matthew Lillard

Category

Biosciences

Course

BIOS 242 Fundamentals Of Microbiology With Lab

Institute

Chamberlain

Pages

13

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Week 4 Concepts: Controlling Microbial Growth Controlling Microbial Growth Prepare: Controlling Microbial Growth The sterilizing gas used in chemiclaves is. ethylene oxide iodophor formaldehyde chlorine dioxide Glutaraldehyde HEPA filters are used to remove microbes from air. liquids. human tissues. medical instruments. All of the choices are correct. Which of the following microbial forms has the highest resistance to physical and chemical controls? Bacterial endospores Fungal spores Protozoan cysts Naked viruses Yeast Sterilization is achieved by flash pasteurization. hot water. boiling water. steam autoclave. All of the choices are correct. The method of removing vegetative microbial life forms and debris to reduce contamination to safe levels is termed . antisepsis pasteurization sanitization disinfection is a halogen used in gaseous and liquid form for large scale disinfection of drinking water and sewage. Bromine Betadine Fluorine Neon Chlorine The alcohol wipe used on a patient's skin before an injection is an example of. antisepsis disinfection sterilization decontamination sanitization Self-Check: Disinfection Techniques destruction of most microbial life, but often does not kill spore-forming bacteria Disinfection mechanical removal of most microbes from an animate or inanimate surface and can be accomplished with hot water, steam, or chemicals. Decontamination prevents bacteria from reproducing and does not kill bacteria Bacteriostatic destruction of all microbial life including endospores Sterilization disinfection on a living surface, such as patient’s arm Antisepsis kills bacteria Bacteriocide/Bacteriocidal the heating of food (ice-cream) and beverages (milk, juices) to remove harmful microbes. Pasteurization Drag the following terms to their corresponding description. Self-Check: Disinfection Techniques II is disinfection on a living surface. antisepsis sanitization degermation disinfection Sterilization The most resistant infectious particles are. fungi endospores viruses prions Helminths are the sturdiest and most encountered infectious agents. For this reason, these are used to test the efficacy of autoclaves. viruses helminths fungi prions Endospores removes all microbes from the environment. disinfection sterilization antisepsis sanitization degermation Self-Check: Factors Affecting the Efficacy of Antimicrobial Methods Drag to rank the following from most resistant (top) to least resistant (bottom). Prions Endospore-containing bacteria Nonenveloped viruses Enveloped viruses Self-Check: Methods of Chemical Control was the first major antimicrobial chemical used wi

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