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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
Iodophores are mixture of

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

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Physical and Chemical Agents
The time in minutes at a specific temperature needed to kill a population of cells is the

decimal reduction time
thermal death temperature
thermal death point
F value

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Physical and Chemical Agents
Which of the following is sterilized with the help of glutaraldehyde?

Cystoscopes
Thermometers
Bronchoscopes
All of these

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Physical and Chemical Agents
Which is the most important surface active disinfectants?

Non-ionic compounds
Amphoteric compounds
Cationic compounds
Anionic compounds

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

Hexachlorophene
Cetylpyridinium chloride
Phenol
None of these

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