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Physical and Chemical Agents

Physical and Chemical Agents
Microbes can be removed from a liquid solution by the process of

filtration
freeze-drying
osmosis
desiccation

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Physical and Chemical Agents
For sterilization of which material gamma rays can be used?

Plastic syringes
Canulas
Catheters
None of these

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Physical and Chemical Agents
Iodophores are mixture of

iodine and surface active agents
iodine and aldehydes
iodine and alcohols
iodine and phenols

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Physical and Chemical Agents
Which of the following items could be sterilized by dry heat sterilization?

Intravenous (IV) solution
Glass pipettes
Plastic IV bags
rubber gloves

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Physical and Chemical Agents
Milk is pasteurized in batch method by keeping it at

72°C for 6 minutes
63°C for 30 minutes
73°C for 30 minutes
72°C for 60 seconds

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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

thermal death point
F value
thermal death temperature
decimal reduction time

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