D311: Microbiology WGU OA UPDATED ACTUAL Questions and CORRECT
Answers
1. What is the significance of microorganisms Microorganisms containing a thick coat of
containing a thick coat of peptidoglycan peptidoglycan within the cell wall are typi-
within the cell wall? cally classified as gram-positive bacteria.
2. Why are viruses considered aceilular? They cannot reproduce without a host.
3. What is the defining characteristic of eu- They have a nucleus.
karyotes?
4. Which microorganism can cause vaginal
yeast Infections and oral thrush? Fungi
5. Why can It be difficult to determine the
etiologic agent of a disease? Some signs and symptoms can be caused by
What kind of staining technique Is the
many ditterent etiologic agents.
6.
acid-fast stain?
Ditterential Stain
7. A doctor prescribed antibiotics for a pa-
The doctor likely suspected a bacterial in-
tient complaining of runny nose. fever. and fection because antibiotics are not ettective
aches and pains. Which type of infection against viral infections.
did the doctor suspect?
8. A healthcare professional is treating a pa-
tient who developed a yeast infection after Antifungals
taking antibiotics. What type of medication
should be prescribed to this patient?
9. Which structure promotes motility in Pro-
teus. Shigelia. and Salmonella species. all
of which can cause serious disease in hu- Presence of flagella
mans?
, 10. Capsule production
Answers
1. What is the significance of microorganisms Microorganisms containing a thick coat of
containing a thick coat of peptidoglycan peptidoglycan within the cell wall are typi-
within the cell wall? cally classified as gram-positive bacteria.
2. Why are viruses considered aceilular? They cannot reproduce without a host.
3. What is the defining characteristic of eu- They have a nucleus.
karyotes?
4. Which microorganism can cause vaginal
yeast Infections and oral thrush? Fungi
5. Why can It be difficult to determine the
etiologic agent of a disease? Some signs and symptoms can be caused by
What kind of staining technique Is the
many ditterent etiologic agents.
6.
acid-fast stain?
Ditterential Stain
7. A doctor prescribed antibiotics for a pa-
The doctor likely suspected a bacterial in-
tient complaining of runny nose. fever. and fection because antibiotics are not ettective
aches and pains. Which type of infection against viral infections.
did the doctor suspect?
8. A healthcare professional is treating a pa-
tient who developed a yeast infection after Antifungals
taking antibiotics. What type of medication
should be prescribed to this patient?
9. Which structure promotes motility in Pro-
teus. Shigelia. and Salmonella species. all
of which can cause serious disease in hu- Presence of flagella
mans?
, 10. Capsule production
