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Physical and Chemical Agents

Physical and Chemical Agents
Which of the following is sterilized with the help of glutaraldehyde?

Bronchoscopes
All of these
Thermometers
Cystoscopes

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

Hexachlorophene
Merthiolate
Cetylpyridinium chloride
Phenol

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Physical and Chemical Agents
All of the following are sporicidal except

alcohol
ethylene oxide
glutaraldehyde
formaldehyde

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

desiccation
freeze-drying
osmosis
filtration

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

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

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Physical and Chemical Agents
Media containing spores and thermolabile constituents are sterilized by

tyndalization
dry heat
UV radiation
pasteurization

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