D311 Microbiology WGU OA Exam
Questions and Guide Answers
100% Verified Graded A+
1. What is the significance of microorganisms containing a thick coat of peptl-
dogiywn within the cell wall?
Answer: Microorganisms containing a thick coat of peptidoglycan within the cell wall are typically
classified as gram-positive bacteria.
2. Why are viruses considered aceilular?
Answer: They cannot reproduce without a host.
3. What is the defining characteristic of eukaryotes?
Answer: They have a nucleus.
4. Which microorganism can cause vaginal yeast Infections and oral thrush?
Answer: -
, Fungi
5. Why can It be difficult to determine the etiologic agent of a disease?
Answer: Some signs and symptoms can be caused by many ditterent etiologic agents.
6. What kind of staining technique Is the acid-fast stain?
Answer:
7. 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 ettective against viral
infections.
8. A healthcare professional is treating a patient who developed a yeast infec-
tion after taking antibiotics. What type of medication should be prescribed to
this patient?
Answer: Antifungals
9. Which structure promotes motility in Proteus. Shigelia. and Salmonella
species. all of which can cause serious disease in humans?
Answer: Presence of flagella
10. Which bacterial virulence factor allows a strain to resist phagocytosis, in-
Questions and Guide Answers
100% Verified Graded A+
1. What is the significance of microorganisms containing a thick coat of peptl-
dogiywn within the cell wall?
Answer: Microorganisms containing a thick coat of peptidoglycan within the cell wall are typically
classified as gram-positive bacteria.
2. Why are viruses considered aceilular?
Answer: They cannot reproduce without a host.
3. What is the defining characteristic of eukaryotes?
Answer: They have a nucleus.
4. Which microorganism can cause vaginal yeast Infections and oral thrush?
Answer: -
, Fungi
5. Why can It be difficult to determine the etiologic agent of a disease?
Answer: Some signs and symptoms can be caused by many ditterent etiologic agents.
6. What kind of staining technique Is the acid-fast stain?
Answer:
7. 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 ettective against viral
infections.
8. A healthcare professional is treating a patient who developed a yeast infec-
tion after taking antibiotics. What type of medication should be prescribed to
this patient?
Answer: Antifungals
9. Which structure promotes motility in Proteus. Shigelia. and Salmonella
species. all of which can cause serious disease in humans?
Answer: Presence of flagella
10. Which bacterial virulence factor allows a strain to resist phagocytosis, in-
