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Physical and Chemical Agents

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

Halogens
Ethylene oxide
None of these
Aldehydes

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Physical and Chemical Agents
Complete destruction of the microorganisms is commonly known as

none of these
disinfection
antisepsis
sterilization

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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

antisepsis
pasteurization
sterilization
disinfection

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

Cationic compounds
Amphoteric compounds
Anionic compounds
Non-ionic compounds

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Physical and Chemical Agents
Which of the following has most heat resistant spores?

Bacillus cereus
Bacillus stearothermophilus
Clostridium perfringens
Clostridium histolyticum

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

UV radiation
dry heat
pasteurization
tyndalization

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