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26 Cards in this Set
- Front
- Back
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5 factors of microbial controls
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temperature - environment - number of microbes - age + stage of microbe - cell structure + function
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in microbial control, increase or decrease in temperature will increase or decrease ____
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metabolism
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in microbial control, temperature affects ____ rates
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diffusion
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cold & slow growing dormant cells are ____ to kill
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harder
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3 environmental factors of microbial control
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pH - organic matter - presence of solvents + inhibitors
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pH is a ____ interference in microbial control
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chemical
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organic matter is a type of ____ interference that may ____ microbes
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chemical - protect
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the presence of ____ & ____ is an environmental factor of microbial control
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solvents - inhibitors
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number of microbes is a factor of microbial ____
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control
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microbial controls depend on the ____ & ____ in a life cycle of microbes
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age - stage
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a microbe's age & stage in a life cycle determine if the microbe is ____ or ____
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growing - dormant
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5 examples of cell structure & function involved with microbial control
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bacterial cell wall type - mycobacteria - endospore - cyst - prokaryote/eukaryote
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the spectrum of antibiotic activity is a factor in ____ control
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microbial
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when deciding which antibiotic to use it is important to know what the ____ ____ is
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cell target
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microbial control depends on good ____ or ____ power of treatment
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good contact, penetrating
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cell walls that resist wetting - (hydrophobic/hydrophilic)
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hydrophobic
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good microbial control depends on optimum ____ or ____ time
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contact - scrubbing
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microbial control depends on mode of ____
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Acton
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microbial control depends on ____ ____ through layers
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penetrating power
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microbial control depends on dosage or easy dilutions that must be ____ handled (following directions, metric system)
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correctly
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in microbial control, selectively toxic means toxic to ____ but not to ____
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pathogen - host
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minimal ____ effects are important for microbial control
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side
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in microbial control, side effects, affect ____ system and can cause ____
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immune - allergies
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microbial control needs to be user-____ & not be ____ too quickly (blood/brain barrier)
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friendly - degraded
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microbial control depends on ____ resistance by a pathogen
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minimal
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in microbial control cost, the ____ the better
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cheaper
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