CH 19 Review Questions
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| Decontamination is defined as the | Reduction or removal of unwanted chemical or biological agents
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| ? has a higher resistance to most physical control methods than the others | Protozoan cysts
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| The cleaning of glassware and tableware in restaurants falls in the category of | Sanitation
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| ? is the simplest heat related method to sterilize metal | Direct flaming
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| Boiling items in water for ? minutes will kill most vegetative bacteria and viruses | 10-15
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| The technique that combines freezing and drying to preserve microbes and other cells is | Lyophilization
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| Ionizing radiation does not involve | UV light
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| The term "zone of inhibition" is used in which procedure | Disk diffusion test
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| Chlorine belongs to which chemical group | Halogens
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| ? is not a method for food preservation | Sterilization
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| Destruction of vegetative mircroorganisms via chemical or physical methods | Disinfection
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| ? indicates that microbial growth is at a standstill | Microbiostatic
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| The effects of different kinds of radiation depend on | time of exposure, wavelength
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| A toxic odorless gas often used as a sterilizing agent in hospitals and dental offices is | Ethylene oxide
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| Phenol and phenolics can | kill you
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| ? reduce surface tension of solvents so that the solvent becomes more effective at dissolving solute molecules | Surfactant
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