Physical and Chemical Agents
Which of the following tests is designed to simulate the natural conditions under which the disinfectants are used in hospitals?

Capacity test
None of these
Phenol coefficient test
Minimum inhibitory concentration test

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Physical and Chemical Agents
Which of the following is best used for long term storage of microbial samples when carried out properly?

Storage in a refrigerator on an agar slant
Storage in a freezer at ultra low temperatures (-70°C)
Storage on a petri plate at room temperature
Storage in a freezer at -10°C

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