WGU D311 OA MICROBIOLOGY EXAM QUESTION BANK | D311
OA ACTUAL EXAM QUESTIONS WITH CORRECT ANSWERS |
GRADED A+ | BRAND NEW 2026/2027 | GUARANTEED PASS.
Which vaccine type would be useful against a toxin-producing
strain of
bacteria? - Correct Answer >
✔✔✔Toxoid vaccine
Which vaccine type would result in both a cell-mediated and
humoral immune response because pathogens are able to
grow in the host? - ✔✔✔ Correct Answer > Attenuated viral vaccine
Which type of infections are prevented by proper sterilization of
hospital equipment and healthcare worker handwashing? - ✔✔✔
Correct Answer > Nosocomial infections are prevented by proper
sterilization of hospital equipment and healthcare worker
handwashing.
,A patient Is determined to have contracted Lyme disease after
being bit by an infected tick. What type of transmission is
described in this
scenario? - Correct Answer >
✔✔✔Vector transmission is described
in this scenario.
Which is a description of vehicle transmission? - Correct Answer >
✔✔✔ A person drinks untreated water on vacation and later
has diarrhea and nausea is a description of vehicle
transmission.
Why are viruses considered aceilular? - Correct Answer >
✔✔✔They cannot reproduce without a host.
, Why can It be difficult to determine the etiologic agent of a
disease? -
✔✔✔ Correct Answer > Some signs and symptoms can be caused by
many different etiologic agents.
Which structure promotes motility in Proteus. Shigelia. and
Salmonella
species. all of which can cause serious disease in humans? - ✔✔✔
Correct Answer > Presence of flagella
What kind of staining technique Is the acid-fast stain? - ✔✔✔
Correct Answer >
A doctor prescribed antibiotics for a patient complaining of
runny nose. fever. and aches and pains. Which type of infection
did the doctor
OA ACTUAL EXAM QUESTIONS WITH CORRECT ANSWERS |
GRADED A+ | BRAND NEW 2026/2027 | GUARANTEED PASS.
Which vaccine type would be useful against a toxin-producing
strain of
bacteria? - Correct Answer >
✔✔✔Toxoid vaccine
Which vaccine type would result in both a cell-mediated and
humoral immune response because pathogens are able to
grow in the host? - ✔✔✔ Correct Answer > Attenuated viral vaccine
Which type of infections are prevented by proper sterilization of
hospital equipment and healthcare worker handwashing? - ✔✔✔
Correct Answer > Nosocomial infections are prevented by proper
sterilization of hospital equipment and healthcare worker
handwashing.
,A patient Is determined to have contracted Lyme disease after
being bit by an infected tick. What type of transmission is
described in this
scenario? - Correct Answer >
✔✔✔Vector transmission is described
in this scenario.
Which is a description of vehicle transmission? - Correct Answer >
✔✔✔ A person drinks untreated water on vacation and later
has diarrhea and nausea is a description of vehicle
transmission.
Why are viruses considered aceilular? - Correct Answer >
✔✔✔They cannot reproduce without a host.
, Why can It be difficult to determine the etiologic agent of a
disease? -
✔✔✔ Correct Answer > Some signs and symptoms can be caused by
many different etiologic agents.
Which structure promotes motility in Proteus. Shigelia. and
Salmonella
species. all of which can cause serious disease in humans? - ✔✔✔
Correct Answer > Presence of flagella
What kind of staining technique Is the acid-fast stain? - ✔✔✔
Correct Answer >
A doctor prescribed antibiotics for a patient complaining of
runny nose. fever. and aches and pains. Which type of infection
did the doctor
