- | P a g e
WGU D311 OA Final Exam Version 2 / WGU D311 Microbiology Objective Assessment Final Exam Newest 2025/2026 Actual Exam Complete 200 Questions And Correct Detailed Answers (Verified Answers) |Already Graded A+||Brand New Version!!
Two spouses present to the emergency department because of difficulty swallowing, facial weakness on both sides of the face, and trouble breathing after consumption of spaghetti sauce made from canned tomatoes. The physician is aware of reports of similarly affected patients in nearby communities.What should be the physician's next step after treating these patients? - ANSWER-Contact the state department of public health
The varicella-zoster virus (chicken pox) is endemic in the United States.What should physicians do to optimally minimize the risk of disease due to this virus? - ANSWER-Vaccinate those who have not already had chicken pox
Miami-Dade County public health officials confirmed transmission of Zika virus by the local Aedes aegypti mosquito, but the virus had been previously transmitted by mosquitoes only in Latin America and South America, where the virus is endemic. 1 / 4
- | P a g e
What can be done to mitigate the spread of the Zika virus so that it does not become endemic in the United States? - ANSWER-Remove outdoor objects that may accumulate water because they serve as mosquito reservoirs
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 specially 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
- / 4
- | P a g e
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
Which chemical is commonly used for hand sanitizers and to degerm a site prior to injections due to its effective destruction of vegetative bacteria by denaturing proteins and its quick-drying properties? - ANSWER-Alcohols
Which chemical is effective at killing bacterial endospores with sufficient time and concentration? - ANSWER-Peroxygens 3 / 4
- | P a g e
Which factor is of particular importance when administering an antibacterial drug to an immunocompromised patient due to the patient's inability to clear infections? - ANSWER-Bactericidal antimicrobial
Which antibacterial drug works by inhibiting nucleic acid synthesis? - ANSWER-Fluoroquinolones
What is showcased when two antibiotics provide bacteriostatic inhibition when taken separately but bactericidal inhibition when combined? - ANSWER-Synergism
Which drug class inhibits cell wall biosynthesis? - ANSWER-Penicillins
Which antimicrobial agent is effective against a cold sore caused by a herpes infection? - ANSWER-Antivirals
Which organism would be affected by an antimicrobial agent that disrupts peptidoglycan synthesis? - ANSWER-Bacteria
Which cellular function would be disrupted by an antimicrobial that targets peptidoglycan synthesis? - ANSWER-Cell wall synthesis
- / 4