WGU D311 OA FINAL EXAM VERSION 2 / WGU D311
MICROBIOLOGY OBJECTIVE ASSESSMENT FINAL EXAM
NEWEST 2025/2026 NEWEST ACTUAL EXAM WITH
COMPLETE QUESTIONS AND VERIFIED ANSWERS
|ALREADY GRADED A+|
A litter of kittens arrives at an animal shelter, and the kittens have
various multifocal, raised, minimally haired skin lesions. The
attending veterinarian believes these lesions are suggestive of
ringworm.
What can the veterinarian do to prevent an outbreak of ringworm
among cats in the shelter? - ANSWER-Isolate the kittens from
other animals because dogs and cats are susceptible to ringworm
Approximately 40% of people receive the inactivated form of the
influenza virus vaccine annually.
What does this fact imply regarding public health? - ANSWER-
The value of influenza virus vaccination for everyone could be
better communicated to the public.
The label for one of the influenza virus vaccines states that the
vaccine is "indicated for active immunization for the prevention of
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disease caused by influenza A subtype viruses and type B viruses
contained in the vaccine" (U.S. Food and Drug Administration).
Which impact can this have on public health? - ANSWER-The
vaccine will protect vaccinated people from an influenza virus that
undergoes antigenic drift.
Smallpox is a highly contagious, fatal disease that has been
eradicated since 1980. The smallpox vaccine contains a poxvirus
similar to the virus that causes smallpox.
Why does the vaccine contain a virus similar to the one that
causes smallpox rather than one that contains the actual virus
that causes smallpox? - ANSWER-The similar poxvirus does not
cause a smallpox infection, whereas the actual virus does.
Which statement describes prokaryotic cells? - ANSWER-
Prokaryotic cells are found in coccus form in both pairs and
clusters.
Which statement describes eukaryotic cells? - ANSWER-The
nuclei of eukaryotic cells are surrounded by complex nuclear
membranes.
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Which statement describes eukaryotic flagella? - ANSWER-
Eukaryotic flagella are flexible, whip-like structures.
Which statement describes the endomembrane system? -
ANSWER-It includes the Golgi apparatus, lysosomes, and
vesicles.
Which statement accurately describes similarities between
protozoa and fungi? - ANSWER-Both can be harmful or harmless
depending on the context.
Why are algae considered photosynthetic organisms? -
ANSWER-Algae produce chemical energy from the sun's light
energy.
Why are plasmids important to the survival of organisms? -
ANSWER-Plasmids carry genetic material, apart from the
genome, that can benefit the organism
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Which statement describes bacteria? - ANSWER-Some bacteria
have cell walls composed of mycolic acid.
Which aspect of nutrient cycling is performed only by
prokaryotes? - ANSWER-Nitrogen fixation
Which microbial process is useful in the production of alcoholic
beverages? - ANSWER-Glucose fermentation
How does microbial bioremediation benefit the environment? -
ANSWER-By helping to metabolize and remove pollutants in the
atmosphere
How is penicillin classified? - ANSWER-As a natural antibiotic
What describes the relationship of pathogens to virulence? -
ANSWER-Highly virulent pathogens almost always lead to a
disease state when introduced to the body.