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Physical and Chemical Agents

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

Phenol
Hexachlorophene
Merthiolate
Cetylpyridinium chloride

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Physical and Chemical Agents
Which of the following disinfectants act by disrupting microbial membranes?

Heavy metals
Cationic detergents
Halogens
Aldehydes

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

bacteriostatic agent
disinfectant
sanitizer
antiseptic

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Physical and Chemical Agents
Which of the following is a limitation of the autoclave?

It takes too long to sterilize
It lacks the ability to kill endospores
It will destroy heat labile materials
It lacks the ability to inactivate viruses

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

Phenol
Hexachlorophene
Cetylpyridinium chloride
None of these

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Physical and Chemical Agents
All of the following are sporicidal except

ethylene oxide
glutaraldehyde
formaldehyde
alcohol

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