Microbial death is is measured when the population is unable to grow under
ideal growth conditions.
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10
Some microbial control agents are able to ___________ cell proteins by breaking bonds that maintain the native state (three-dimensional configuration) of the proteins.
denature
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10
_______ heat is more rapidly effective and efficient compared to ________ heat.
Moist, dry
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10
_______________ is a control method that mechanically removes microorganisms rather than inhibiting or killing them.
Filtration
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thief
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rocket
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rocket
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lifesaver
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10
What instrument is most effective for pressure-temperature sterilization?
autoclave
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10
Chemicals that are antimicrobial and contain fluorine, chlorine, bromine, and iodine are
halogen compounds.
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10
Surfactants work by disrupting the
membrane integrity.
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10
Scrubbing or immersing the skin in chemicals to reduce the numbers of microbes on the skin is called
antisepsis.
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10
___________ mechanically removes microorganisms, reducing contamination to safe levels.
Sanitization
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10
HEPA filters are used to remove microbes from
air.
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10
The lowest temperature needed to kill all microbes in ten minutes is the
thermal death point.
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seesaw
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seesaw
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gift
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thief
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10
Which of the following microbial forms have the highest resistance to physical and chemical controls?
bacterial endospores
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10
The shortest time required to kill all the microbes in a sample at a specified temperature is called the
