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Physical and Chemical Agents

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

Anionic compounds
Non-ionic compounds
Cationic compounds
Amphoteric compounds

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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
sterilization
antisepsis
pasteurization

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Physical and Chemical Agents
Which of the following process can be efficiently carried out by incineration?

Sterilization of scalpel blades and needles
Destruction of contaminated materials
Sterilization of points of forceps
Sterilization of all glass syringes

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

Chlorine
Copper sulfate
Silver nitrate
Mercurochrome

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

Hot air sterilization
Pasteurization
Incineration
Autoclave

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Physical and Chemical Agents
Media containing spores and thermolabile constituents are sterilized by

tyndalization
dry heat
pasteurization
UV radiation

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