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Physical and Chemical Agents

Physical and Chemical Agents
Steam exposure of a material at 100°C for 20 minutes for three consecutive days is known as

inspissation
none of these
autoclaving
tyndallization

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Physical and Chemical Agents
Which of the following disinfectants act by disrupting microbial membranes?

Cationic detergents
Heavy metals
Aldehydes
Halogens

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

sanitizer
bacteriostatic agent
disinfectant
antiseptic

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Physical and Chemical Agents
Which of the following articles can be sterilized in an autoclave?

Gloves
Culture media
Dressing material
All of these

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

Cetylpyridinium chloride
Hexachlorophene
None of these
Phenol

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Physical and Chemical Agents
Which of the following material is sterilized by heating at 160°C in a hot air oven for one hour?

All-glass syringes
Swab sticks
All of these
Oils and jellies

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