Study guide for final exam
Study guide for final exam BIOL 2460-001
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This 3 page Study Guide was uploaded by Mercy on Friday December 11, 2015. The Study Guide belongs to BIOL 2460-001 at University of Texas at Arlington taught by Dr. Michelle Badon in Summer 2015. Since its upload, it has received 117 views. For similar materials see Nursing Microbiology in Biology at University of Texas at Arlington.
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Date Created: 12/11/15
Study guide for final exam Friday December 11 2015 330 PM 1What is an antiseptic It is a disinfectant that is nontoxic enough to be used on skin 2Define aseptic technique It is the use of specific methods to exclude contaminating microorganisms from an environment 3 kills bacteria while prevents the growth but does not kill bacteria a bacteriostatic bactericidal b bactericidal bacteriostatic c disinfectant antiseptic d antiseptic bacteriostatic 4The treatment used to reduce the number of disease causing microbes to a level that is considered safe to handle is called a decontamination removal of microbes from animate or inanimate surfaces b degerm c aseptic technique d sterilization Match the following definition to the correct term 5Treatment used to decrease the number of microbes 6A process that eliminates most or all disease causing microorganisms and viruses on or in a product 7A chemical used to destroy many microorganisms and viruses a disinfection b degerm c disinfectant 5B 6A 7C 8 kills fungi fungicide 9Germicide microorganisms and viruses a reduces kills b Kills reduces c activates kills d kills inactivates 10What is pasteurization a brief heat treatment used to reduce the number of spoilage organisms and to kill disease causing microbes 11The process of inhibiting the growth of microorganisms in products to delay spoilage is called a sanitizing b sterilization c preservation d disinfection 12Sterile means completely free of all microorganisms and viruses 13 inactivates viruses a germicide b fungicide c viricide d bactericide 14Which is true of sterilization a it is the process of destroying or removing all microorganisms and viruses through physical or chemical means b It is the process of destroying microorganisms through physical means only c It is the process of removing viruses through chemical means only d it is the process of destroying microorganisms through physical and chemical means 15 is a chemical used to destroy all microorganisms and viruses in a product rendering it sterile sanitizer sterilant antiseptic disinfectant QnCTQ 16What does sanitize mean to reduce the number of microorganisms to a level that meets public health standards as well as cleanliness 17 is the most prominent temperature for the growth of all microorganisms 37 C 18Lyso is an example of an antiseptic while alcohol is an example of a disinfectant a True b False 19Disinfectant is used on inanimate surfaces while antiseptic is used on living surfaces a True b False 20Physica agents of microbial control are heat treatment radiation steaming and use of boiling water 21Chemical agents are gases and liquids alcohols halogens heavy metals and phenolics 22Mechanical agents are filtration air and liquids 23Latin for sterilization is sterilis 24The parts of the body that are naturally free of microbes are brain muscles and liver 25Disinfection does not destroy bacterial endospores 26Sepsis is the growth of microorganisms in the blood and other tissues 27The root cide means substances that kills Latin cida means to kill NB cide combined with other terms to define antimicrobial agents means to kill the certain group of microorganisms eg Bactericide kill bacteria sporicide kill bacterial endospores microbicide kills MOs 28Static prevents growth Greek word stasis which means to stand still 29Microbial death is the permanent termination of an organism39s vital processes 30Moist heat kills bacteria fungi and viruses 31Thermal Death Time TDT is the shortest time needed to kill all organisms in a microbial suspension at a specific temperature under defined conditions 32Decimal Reduction Time D value the time required to kill 90 of the M05 or spores in a sample at specific temperature 332 value is the increase in the temp required to reduce D to 110 its value 34F value time in minutes at specific temperature needed to kill a population of cells or spores