1) Which physical method uses pressurized steam to kill microorganisms? a) Dry heat b) Autoclaving c) Filtration d) Radiation 2) Autoclaving is effective because it: a) Removes microbes b) Uses boiling water c) Denatures proteins d) Dries out microbes 3) Best method for sterilizing heat-sensitive liquids? a) Autoclaving b) Dry heat c) Filtration d) Incineration 4) Which method kills by damaging DNA? a) Moist heat b) UV radiation c) Freezing d) Pasteurization 5) Why is UV radiation used for surface disinfection? a) Deep penetration b) Best in liquids c) Poor penetration d) Kills endospores 6) Pasteurization is best described as: a) Sterilizes food b) Kills endospores c) Reduces microbes d) Removes toxins 7) Which method destroys by dehydration? a) Moist heat b) Dry heat c) Filtration d) Freezing 8) Freezing controls growth by: a) Killing microbes b) Destroying DNA c) Slowing metabolism d) Removing water 9) Method for destroying medical waste? a) Pasteurization b) Filtration c) Incineration d) UV radiation 10) Method using membranes to remove microorganisms? a) Autoclaving b) Radiation c) Filtration d) Dry heat

Microbial Control Methods Quiz

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