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Physical and Chemical Agents

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

Chlorine
Alcohol
Cetylpyridinium chloride
Ethylene oxide

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

Glutaraldehyde
Ethylene oxide
Ultraviolet radiation
Chlorine

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Physical and Chemical Agents
Which disinfectant was the most effective against Salmonella"?

Phenol
Merthiolate
Cetylpyridinium chloride
Hexachlorophene

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Physical and Chemical Agents
Microbes can be removed from a liquid solution by the process of

filtration
osmosis
desiccation
freeze-drying

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Physical and Chemical Agents
All of the following are sporicidal except

alcohol
ethylene oxide
formaldehyde
glutaraldehyde

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Physical and Chemical Agents
Which of the following methods will not sterilize?

121°C at 15 lb/in pressure for 15 to 20 minutes
Dry heat at 171°C for 1 to 2 hours
Aqueous glutaraldehyde for 10 hours
100°C boiling water for 30 minutes

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