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Physical and Chemical Agents

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

Fungi
Spores
All of these
Bacteria

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Physical and Chemical Agents
Which of the following is best to sterilize heat labile solutions?

Dry heat
Membrane filtration
Pasteurization
Autoclave

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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

F value
D value
decimal reduction time
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
Complete destruction of the microorganisms is commonly known as

sterilization
disinfection
none of these
antisepsis

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Physical and Chemical Agents
The lowest temperature that kills all microorganisms in a liquid suspension in 10 minutes is known as the

thermal death time
thermal death point
thermal death temperature
decimal reduction time

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