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Physical and Chemical Agents

Physical and Chemical Agents
Bactericidal concentration of phenol is

0.5%
1%
0.75%
0.25%

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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
antiseptic
sanitizer
disinfectant

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Physical and Chemical Agents
The time required to kill 90% of the microorganisms in a sample at a specific temperature is the

F value
D value
decimal reduction time
thermal death point

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

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

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Physical and Chemical Agents
Which of the following compounds are commonly used as general antiseptics to treat cuts and scratches?

None of these
Ethylene oxide
Halogens
Aldehydes

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

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

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