WGU D311 Microbiology with Lab Section 3 questions with answers

WGU D311: Microbiology with Lab: Section 3
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questions with answers |\ |\




Which factor determines the level of bioburden (microbial level)
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allowed and, therefore, the microbial controls required for items
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used in a general healthcare setting? - CORRECT ANSWERS
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✔✔The application or use of the item
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Which laboratory biosafety level would be used for managing
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work with an organism of moderate risk that is native to the local
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area? - CORRECT ANSWERS ✔✔BSL-2
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Which microbial control type can be used to completely eliminate
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all vegetative bacteria, endospores, fungi, and viruses from an
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inanimate item? - CORRECT ANSWERS ✔✔Sterilization
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Which term describes the area specifically created and
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maintained for performing medical procedures that carry risk
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from contamination? - CORRECT ANSWERS ✔✔Sterile field
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Which physical method of control works by removing
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microorganisms from a liquid? - CORRECT ANSWERS ✔✔Filtration |\ |\ |\ |\ |\ |\ |\




Which physical method of control is used to denature proteins
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and alter membranes of microorganisms to prevent spoilage of
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milk, apple juice, honey, and other ingestible items to reduce
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microorganism levels? - CORRECT ANSWERS ✔✔Pasteurization |\ |\ |\ |\ |\

, Which technique will ensure that Clostridium botulinum and
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botulinum toxin cannot cause foodborne illness? - CORRECT
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ANSWERS ✔✔Boiling foods for at least 10 minutes prior to eating.
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Which method would be used to sterilize an antibiotic solution? -
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CORRECT ANSWERS ✔✔Membrane filtration
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Which chemical treatment would be used before a disinfectant to
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reach a soiled surface? - CORRECT ANSWERS ✔✔A surfactant
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Which class of chemical disinfectant denatures proteins and
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disrupts membranes? - CORRECT ANSWERS ✔✔Phenolics
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Which chemical is commonly used for hand sanitizers and to
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degerm a site prior to injections due to its effective destruction of
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vegetative bacteria by denaturing proteins and its quick drying
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properties? - CORRECT ANSWERS ✔✔Alcohols
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Which chemical is effective at killing bacterial endospores with
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sufficient time and concentration? - CORRECT ANSWERS
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✔✔Peroxygens


Which factor is of particular importance when administering an
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antibacterial drug to an immunocompromised patient due to the
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patient's inability to clear infections? - CORRECT ANSWERS
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✔✔Bactericidal antimicrobial |\