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WGU D311 OA Final Exam/ WGU D311 Microbiology
Objective Assessment Final Exam Newest 2025/2026
Actual Exam Complete 260 Questions And Correct
Detailed Answers (Verified Answers) |Already Graded
A+||Newest Version!!!
What is the significance of microorganisms containing a
thick coat of peptidoglycan within the cell wall? - Answer-
Microorganisms containing a thick coat of peptidoglycan
within the cell wall are typically classified as gram-positive
bacteria.
Why are viruses considered aceilular? - Answer-They
cannot reproduce without a host.
What is the defining characteristic of eukaryotes? -
Answer-They have a nucleus.
Which microorganism can cause vaginal yeast Infections
and oral thrush? - Answer-Fungi
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Why can It be difficult to determine the etiologic agent of a
disease? - Answer-Some signs and symptoms can be
caused by many different etiologic agents.
What kind of staining technique Is the acid-fast stain? -
Answer-Differential Stain
A doctor prescribed antibiotics for a patient complaining of
runny nose. fever. and aches and pains. Which type of
infection did the doctor suspect? - Answer-The doctor
likely suspected a bacterial infection because antibiotics
are not effective against viral infections.
A healthcare professional is treating a patient who
developed a yeast infection after taking antibiotics. What
type of medication should be prescribed to this patient? -
Answer-Antifungals
Which structure promotes motility in Proteus. Shigelia. and
Salmonella species. all of which can cause serious
disease in humans? - Answer-Presence of flagella
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Which bacterial virulence factor allows a strain to resist
phagocytosis, increasing the organism's virulence? -
Answer-Capsule production
Why is treating Haemophilus influenzae difficult? - Answer-
The capsule is antiphagocytic.
How do pili aid pathogens in causing disease? - Answer-
They cause pathogens to adhere to host cells.
Which virulence factor allows pathogens to penetrate the
dermis and invade the body? - Answer-Bacterial enzymes
A bacterium from a deep-sea hydrothermal vent has been
cultured. Which staining technique should be used to
begin the process of species identification? - Answer-
Gram staining
What does the presence of a clear area around a cell
stained with India ink indicate about the cell? - Answer-
The cell has a capsule.
WGU D311 OA Final Exam/ WGU D311 Microbiology
Objective Assessment Final Exam Newest 2025/2026
Actual Exam Complete 260 Questions And Correct
Detailed Answers (Verified Answers) |Already Graded
A+||Newest Version!!!
What is the significance of microorganisms containing a
thick coat of peptidoglycan within the cell wall? - Answer-
Microorganisms containing a thick coat of peptidoglycan
within the cell wall are typically classified as gram-positive
bacteria.
Why are viruses considered aceilular? - Answer-They
cannot reproduce without a host.
What is the defining characteristic of eukaryotes? -
Answer-They have a nucleus.
Which microorganism can cause vaginal yeast Infections
and oral thrush? - Answer-Fungi
,2|Page
Why can It be difficult to determine the etiologic agent of a
disease? - Answer-Some signs and symptoms can be
caused by many different etiologic agents.
What kind of staining technique Is the acid-fast stain? -
Answer-Differential Stain
A doctor prescribed antibiotics for a patient complaining of
runny nose. fever. and aches and pains. Which type of
infection did the doctor suspect? - Answer-The doctor
likely suspected a bacterial infection because antibiotics
are not effective against viral infections.
A healthcare professional is treating a patient who
developed a yeast infection after taking antibiotics. What
type of medication should be prescribed to this patient? -
Answer-Antifungals
Which structure promotes motility in Proteus. Shigelia. and
Salmonella species. all of which can cause serious
disease in humans? - Answer-Presence of flagella
, 3|Page
Which bacterial virulence factor allows a strain to resist
phagocytosis, increasing the organism's virulence? -
Answer-Capsule production
Why is treating Haemophilus influenzae difficult? - Answer-
The capsule is antiphagocytic.
How do pili aid pathogens in causing disease? - Answer-
They cause pathogens to adhere to host cells.
Which virulence factor allows pathogens to penetrate the
dermis and invade the body? - Answer-Bacterial enzymes
A bacterium from a deep-sea hydrothermal vent has been
cultured. Which staining technique should be used to
begin the process of species identification? - Answer-
Gram staining
What does the presence of a clear area around a cell
stained with India ink indicate about the cell? - Answer-
The cell has a capsule.
