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Physical and Chemical Agents

Physical and Chemical Agents
Iodophores are mixture of

iodine and alcohols
iodine and aldehydes
iodine and surface active agents
iodine and phenols

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Physical and Chemical Agents
Bactericidal concentration of phenol is

1%
0.25%
0.75%
0.5%

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Physical and Chemical Agents
The process of making an object free from living organisms including bacterial and fungal spores and viruses is known as

disinfection
antisepsis
sterilization
pasteurization

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

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

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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 will destroy heat labile materials
It lacks the ability to kill endospores
It lacks the ability to inactivate viruses

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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 kill microbes located in the center of an object
failure to bacterial spores

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