Chapter 7 Micro 4000 (OSU) Test
Questions and Answers.
physical or chemical removal ALL living microorganisms - Answer sterilization
T/F: sterilization eliminates endospores - Answer true
sterilizing agents such as glutaraldehyde and ethylene oxide - Answer sterilant
chemical elimination of MOST pathogens - Answer disinfection
T/F following disinfection, no microbes remain - Answer false
toxic chemicals used on inanimate objects - Answer disinfectants
bleach, formaldehyde, and phenols are examples of... - Answer disinfectants
non-toxic chemicals used on living tissues - Answer antiseptics
chlorhexadine, iodophors, and alcohols are examples of... - Answer antiseptics
reducing pathogens to levels considered safe to handle (through hand washing, heat, and
disinfectants) - Answer decontamination
reducing microbes to "accepted health standards" (ex: high temp wash, dip into disinfectant) -
Answer sanitization
an object that is considered clean but at no specific level of microbial control - Answer
sanitized object
delaying spoilage of foods and perishable products - Answer preservation
adjusting storage conditions or add bacteriostatic preservatives to slow or prevent microbial
growth - Answer preservation
, brief heating of food items to reduce the number of spoilage organisms/destroy pathogens -
Answer pasteurization
the process of heating milk at 72 degrees C for 15 seconds - Answer pasteurization
which approach to growth control is most appropriate for daily life - Answer
disinfection/sanitization
which approach to growth control is most appropriate for healthcare - Answer
sterilization/disinfection
purpose of growth control in the laboratory - Answer prevent contamination of the
experiment, researcher, and environment
high risk microbes - Answer BSL-4
low risk microbes - Answer BSL-1
endospores, mycobacterium, and pseudomonas species are considered ______________ and
require more rigorous treatment - Answer highly resistant microbes
when there a larger number of microbes, ______________ first can minimize time necessary to
sterilize or disinfect - Answer washing/scrubbing
medical equipment that can penetrate body tissues; HIGH RISK - Answer critical equipment
what classification of medical equipment includes needles and scalpels - Answer critical
equipment
critical equipment requires which approach to growth control - Answer sterilization
medical equipment that comes in contact with mucous membranes that does not penetrate
body tissues; MEDIUM RISK - Answer semicritical equipment
what classification of medical equipment includes endoscopes, and endotracheal tubes -
Answer semicritical equipment
semicritical equipment requires which method of growth control - Answer disinfection
Questions and Answers.
physical or chemical removal ALL living microorganisms - Answer sterilization
T/F: sterilization eliminates endospores - Answer true
sterilizing agents such as glutaraldehyde and ethylene oxide - Answer sterilant
chemical elimination of MOST pathogens - Answer disinfection
T/F following disinfection, no microbes remain - Answer false
toxic chemicals used on inanimate objects - Answer disinfectants
bleach, formaldehyde, and phenols are examples of... - Answer disinfectants
non-toxic chemicals used on living tissues - Answer antiseptics
chlorhexadine, iodophors, and alcohols are examples of... - Answer antiseptics
reducing pathogens to levels considered safe to handle (through hand washing, heat, and
disinfectants) - Answer decontamination
reducing microbes to "accepted health standards" (ex: high temp wash, dip into disinfectant) -
Answer sanitization
an object that is considered clean but at no specific level of microbial control - Answer
sanitized object
delaying spoilage of foods and perishable products - Answer preservation
adjusting storage conditions or add bacteriostatic preservatives to slow or prevent microbial
growth - Answer preservation
, brief heating of food items to reduce the number of spoilage organisms/destroy pathogens -
Answer pasteurization
the process of heating milk at 72 degrees C for 15 seconds - Answer pasteurization
which approach to growth control is most appropriate for daily life - Answer
disinfection/sanitization
which approach to growth control is most appropriate for healthcare - Answer
sterilization/disinfection
purpose of growth control in the laboratory - Answer prevent contamination of the
experiment, researcher, and environment
high risk microbes - Answer BSL-4
low risk microbes - Answer BSL-1
endospores, mycobacterium, and pseudomonas species are considered ______________ and
require more rigorous treatment - Answer highly resistant microbes
when there a larger number of microbes, ______________ first can minimize time necessary to
sterilize or disinfect - Answer washing/scrubbing
medical equipment that can penetrate body tissues; HIGH RISK - Answer critical equipment
what classification of medical equipment includes needles and scalpels - Answer critical
equipment
critical equipment requires which approach to growth control - Answer sterilization
medical equipment that comes in contact with mucous membranes that does not penetrate
body tissues; MEDIUM RISK - Answer semicritical equipment
what classification of medical equipment includes endoscopes, and endotracheal tubes -
Answer semicritical equipment
semicritical equipment requires which method of growth control - Answer disinfection
