WGU D311: Microbiology with Lab:
Section 3 Test Questions and Already
Solved Solutions 2026 Updated.
Which factor determines the level of bioburden (microbial level) allowed and, therefore, the
microbial controls required for items used in a general healthcare setting? - Answer The
application or use of the item
Which laboratory biosafety level would be used for managing work with an organism of
moderate risk that is native to the local area? - Answer BSL-2
Which microbial control type can be used to completely eliminate all vegetative bacteria,
endospores, fungi, and viruses from an inanimate item? - Answer Sterilization
Which term describes the area specifically created and maintained for performing medical
procedures that carry risk from contamination? - Answer Sterile field
Which physical method of control works by removing microorganisms from a liquid? - Answer
Filtration
Which physical method of control is used to denature proteins and alter membranes of
microorganisms to prevent spoilage of milk, apple juice, honey, and other ingestible items to
reduce microorganism levels? - Answer Pasteurization
Which technique will ensure that Clostridium botulinum and botulinum toxin cannot cause
foodborne illness? - Answer Boiling foods for at least 10 minutes prior to eating.
Which method would be used to sterilize an antibiotic solution? - Answer Membrane filtration
Which chemical treatment would be used before a disinfectant to reach a soiled surface? -
Answer A surfactant
Which class of chemical disinfectant denatures proteins and disrupts membranes? - Answer
Phenolics
Section 3 Test Questions and Already
Solved Solutions 2026 Updated.
Which factor determines the level of bioburden (microbial level) allowed and, therefore, the
microbial controls required for items used in a general healthcare setting? - Answer The
application or use of the item
Which laboratory biosafety level would be used for managing work with an organism of
moderate risk that is native to the local area? - Answer BSL-2
Which microbial control type can be used to completely eliminate all vegetative bacteria,
endospores, fungi, and viruses from an inanimate item? - Answer Sterilization
Which term describes the area specifically created and maintained for performing medical
procedures that carry risk from contamination? - Answer Sterile field
Which physical method of control works by removing microorganisms from a liquid? - Answer
Filtration
Which physical method of control is used to denature proteins and alter membranes of
microorganisms to prevent spoilage of milk, apple juice, honey, and other ingestible items to
reduce microorganism levels? - Answer Pasteurization
Which technique will ensure that Clostridium botulinum and botulinum toxin cannot cause
foodborne illness? - Answer Boiling foods for at least 10 minutes prior to eating.
Which method would be used to sterilize an antibiotic solution? - Answer Membrane filtration
Which chemical treatment would be used before a disinfectant to reach a soiled surface? -
Answer A surfactant
Which class of chemical disinfectant denatures proteins and disrupts membranes? - Answer
Phenolics
