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PHYSICAL AND CHEMICAL AGENTS

Physical and Chemical Agents
The process of making an object free from living organisms including bacterial and fungal spores and viruses is known as

pasteurization
disinfection
sterilization
antisepsis

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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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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
One drawback to the use of ultraviolet light as a sterilizing agent is its

failure to kill microbes in a closed environment
failure to bacterial spores
failure to kill microbes located in the center of an object
failure to kill bacteria

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Physical and Chemical Agents
Ethylene oxide is used to destroy or kill which of the following microbes?

Spores
All of these
Fungi
Bacteria

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