WGU D311 Microbiology OBJECTIVE
ASSESSMENT ACTUAL EXAM QUESTIONS
AND CORRECT DETAILED ANSWERS WITH
RATIONALES || 100% GUARANTEED PASS
<RECENT VERSION>
Microorganism - ANSWER are organisms that are too small to see with the
unaided eye
Mycology - ANSWER study of fungi
bacteriology - ANSWER study of bacteria
virology - ANSWER study of viruses
algology - ANSWER study of algae
protozoology - ANSWER study of protozoa
examples of microorganisms - ANSWER bacteria
fungi
protozoa
microscopic algae
viruses
what kind of microscope do you use when you are working with microorganisms
you can't see? - ANSWER bright field microscope
what are the different magnifications of a bright field microscope - ANSWER 4x
,10x
40x
100x
what is the kind of microscope that you use when looking at a virus - ANSWER
electron microscope
what are the different magnifications of the electron microscope - ANSWER 1 mil
2 mil
10 mil
How are microbes helpful - ANSWER decompose organic waste
generate O2
produce chemical products such as ethanol and others
produce fermented foods ex: vinegar, cheese, and bread
produce products used in manufacturing ex: cellulose and insulin
How many microbes are pathogenic out of all the microorganisms - ANSWER
70/10 mil
what knowledge do microbes give humans - ANSWER prevent diseases
allow food storage and prevent food spoilages
stop transmission of diseases
Microbiology - ANSWER the study of organisms too small to be seen with the
naked eye
What is the significance of microorganisms containing a thick coat of
peptldogiywn 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
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
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 viral 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
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
ASSESSMENT ACTUAL EXAM QUESTIONS
AND CORRECT DETAILED ANSWERS WITH
RATIONALES || 100% GUARANTEED PASS
<RECENT VERSION>
Microorganism - ANSWER are organisms that are too small to see with the
unaided eye
Mycology - ANSWER study of fungi
bacteriology - ANSWER study of bacteria
virology - ANSWER study of viruses
algology - ANSWER study of algae
protozoology - ANSWER study of protozoa
examples of microorganisms - ANSWER bacteria
fungi
protozoa
microscopic algae
viruses
what kind of microscope do you use when you are working with microorganisms
you can't see? - ANSWER bright field microscope
what are the different magnifications of a bright field microscope - ANSWER 4x
,10x
40x
100x
what is the kind of microscope that you use when looking at a virus - ANSWER
electron microscope
what are the different magnifications of the electron microscope - ANSWER 1 mil
2 mil
10 mil
How are microbes helpful - ANSWER decompose organic waste
generate O2
produce chemical products such as ethanol and others
produce fermented foods ex: vinegar, cheese, and bread
produce products used in manufacturing ex: cellulose and insulin
How many microbes are pathogenic out of all the microorganisms - ANSWER
70/10 mil
what knowledge do microbes give humans - ANSWER prevent diseases
allow food storage and prevent food spoilages
stop transmission of diseases
Microbiology - ANSWER the study of organisms too small to be seen with the
naked eye
What is the significance of microorganisms containing a thick coat of
peptldogiywn 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
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
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 viral 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
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
