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Physical and Chemical Agents

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

sanitizer
antiseptic
bacteriostatic agent
disinfectant

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

All of these
Gloves
Culture media
Dressing material

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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

F value
thermal death temperature
thermal death point
decimal reduction time

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Physical and Chemical Agents
The time required to kill 90% of the microorganisms in a sample at a specific temperature is the

decimal reduction time
D value
F value
thermal death point

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

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

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Physical and Chemical Agents
Which disinfectant was the most effective against Salmonella"?

Phenol
Hexachlorophene
Cetylpyridinium chloride
Merthiolate

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