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Physical and Chemical Agents

Physical and Chemical Agents
All of the following are sporicidal except

glutaraldehyde
ethylene oxide
alcohol
formaldehyde

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Physical and Chemical Agents
Which of the following is not a disinfectant containing a heavy metal?

Mercurochrome
Copper sulfate
Silver nitrate
Chlorine

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Physical and Chemical Agents
Which of the following is best to sterilize heat labile solutions?

Pasteurization
Autoclave
Dry heat
Membrane filtration

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Physical and Chemical Agents
Iodophores are mixture of

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

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Physical and Chemical Agents
If a 1:600 dilution of a test compound kills a standard population of Staphylococcus aureus in 10 minutes but not 5 minutes while a 1:60 dilution of phenol kills the population in the same time, what is the phenol coefficient of the test compound?

10
1
50
5

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Physical and Chemical Agents
Ethylene oxide is used to destroy or kill which of the following microbes?

Spores
Fungi
All of these
Bacteria

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