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Physical and Chemical Agents

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

Chlorine
Mercurochrome
Copper sulfate
Silver nitrate

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Physical and Chemical Agents
The organisms retained in the fluids filtered by Seitz filter is

Proteus
None of these
Staphylococcus
Clostridium

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Physical and Chemical Agents
Bactericidal concentration of phenol is

0.75%
0.5%
0.25%
1%

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

antiseptic
disinfectant
bacteriostatic agent
sanitizer

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Physical and Chemical Agents
Which of the following is/are vapour-phase disinfectant/s?

None of these
Both (a) and (b)
Ethylene oxide
Formaldehyde

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Physical and Chemical Agents
Which of the following does not kill endospores?

Pasteurization
Hot air sterilization
Incineration
Autoclave

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