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Physical and Chemical Agents

Physical and Chemical Agents
A(n)____is used to prevent infection by killing or inhibiting pathogen growth on animal tissues.

bacteriostatic agent
antiseptic
sanitizer
disinfectant

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Physical and Chemical Agents
Which of the following is most effective for sterilizing mattresses and plastic petri plates?

Ultraviolet radiation
Glutaraldehyde
Chlorine
Ethylene oxide

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Physical and Chemical Agents
Which of the following substances can sterilize?

Ethylene oxide
Alcohol
Cetylpyridinium chloride
Chlorine

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Physical and Chemical Agents
Which of the following items could be sterilized by dry heat sterilization?

rubber gloves
Plastic IV bags
Intravenous (IV) solution
Glass pipettes

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Physical and Chemical Agents
One drawback to the use of ultraviolet light as a sterilizing agent is its

failure to kill bacteria
failure to kill microbes in a closed environment
failure to bacterial spores
failure to kill microbes located in the center of an object

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Physical and Chemical Agents
Which disinfectant would be most effective against Staphylococcus found in a blood spill?

None of these
Hexachlorophene
Phenol
Cetylpyridinium chloride

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