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
Surfactants work by disrupting the
membrane integrity.
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seesaw
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shark
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shark
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lifesaver
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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
_______________ is a control method that mechanically removes microorganisms rather than inhibiting or killing them.
Filtration
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10
Heavy metals that control microbial growth include
silver, gold, copper and mercury.
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10
What instrument is most effective for pressure-temperature sterilization?
autoclave
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10
_______ heat is more rapidly effective and efficient compared to ________ heat.
Moist, dry
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HEPA filters are used to remove microbes from
air.
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eraser
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baam
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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
A(n) _______ is a chemical that destroys bacteria except for those in the endospore stage.
bacteriocide
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10
The shortest time required to kill all the microbes in a sample at a specified temperature is called the
thermal death time.
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10
The lowest temperature needed to kill all microbes in ten minutes is the