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24 Cards in this Set
- Front
- Back
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A microbicidal agent has what effect?
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destroys microorganisms
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Microbial control methods that kill _______ are able to sterilize.
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endospores
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Any process that destroys the non-spore forming contaminants on inanimate objects is?
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disinfection
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Sanitization is a process by which
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the microbial load on objects is reduced
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An example of an agent that lowers the surface tension of cells is
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alcohol
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High temperatures _______ and low temperatures _______
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kill cells, inhibit cell growth
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The primary of ______ heat is to ______
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moist, denature proteins
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Ionizing radiation removes ______ from atoms
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electrons
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The primary mode of action of nonionizing radiation is to
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make pyrimidine dimers
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The most versatile method of sterilizing heat-sensitive liquids is
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filtration
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________ is the iodine of choice for wound treatment
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iodophor
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A chemical with sporicidal properties is
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glutaraldehyde
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Silver sulfanamide is used in
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antisepsis of burns
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Detergents are
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low-level germicides
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Name one approved sterilant
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ethylene oxide
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a compound synthesized by bacteria or fungi that destroys or inhibits the growth of other microbes is
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antibiotic
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Antimicrobial drugs should
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have selective toxicity, be active when highly diluted, be microbicidal, be broken down and excreted slowly
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Microbial resistance to drugs is acquired through
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conjugation, transduction, transformation
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R factors are _____ that contain a code for ______
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plasmids, drug resistance
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When a patient's immune system becomes reactive to a drug, this is an example of
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allergy
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An antibiotic that disrupts the normal flora can cause
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a superinfection
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Most antihelmithic drugs function by
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blocking the absorption of nutrients
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Which antiviral drugs can prevent viral nucleic acid from being replicated?
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acyclovir, AZT
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What should an antiviral do?
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stop virus synthesis, inhibit virus maturation, block virus receptors
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