1|Page
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.
,2|Page
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
,3|Page
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
, 4|Page
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
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.
,2|Page
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
,3|Page
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
, 4|Page
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
