NURS 615 EXAM 3 UPDATED ACTUAL QUESTIONS AND CORRECT ANSWERS

NURS 615 EXAM 3 UPDATED ACTUAL QUESTIONS AND
CORRECT ANSWERS

Question:
1. What are the three processes for bacterial survival?
Answer:
Generation of cell envelope Production of bacterial proteins Replication of bacterial chromosome

Question:
2. The cell envelope determines what bacterial classification?
Answer:
Gram positive or gram negative

Question:
3. What is the cell envelope?
Answer:
Protective layer of armor surrounding bacteria

Question:
4. What categorizes gram positive bacteria?
Answer:
Cytoplasmic membrane surrounded by rigid cell wall (thick)

Question:
5. What categorizes gram negative bacteria?
Answer:
Cytoplasmic membrane surrounded by thin cell wall Additional lipopolysac. membrane

Question:
6. What is peptidoglycan?
Answer:
a network of sugar polymers cross-linked by polypeptides that make cell wall

Question:
7. What color do gram positive bacteria stain?
Answer:
purple/blue

Question:
8. What color do gram negative bacteria stain?
Answer:
pink

Question:
9. Aerobes use ______ for metabolism

,Answer:
Oxygen

Question:
10. What is an example of an aerobe bacteria?
Answer:
Mycobacterium tuberculosis

Question:
11. What is an example of an anaerobe bacteria?
Answer:
Clostridioides difficile (C. diff)

Question:
12. What is facultative?
Answer:
can use oxygen but can survive without it

Question:
13. What is an example of a facultative?
Answer:
E. coli and staphylococcus aureus

Question:
14. What is microaerophilic?
Answer:
requires only a small amount of oxygen

Question:
15. What is an example of microaerophilic?
Answer:
Campylobacter jejuni

Question:
16. What enzyme is needed to complete bacteria transcription (DNA to mRNA)?
Answer:
RNA polymerase

Question:
17. What is binary fission?
Answer:
Parent bacterium divides to form two daughter cells

Question:
18. What are the two classes of antibiotics?

, Answer:
bactericidal and bacteriostatic

Question:
19. What is bactericidal?
Answer:
kills bacteria directly

Question:
20. What is bacteriostatic?
Answer:
inhibits bacterial growth so immune system can kill bacteria

Question:
21. What is the minimum inhibitory concentration (MIC)?
Answer:
The minimum concentration of antibiotic that is able to suppress growth of the bacterial isolate

Question:
22. What is the minimum bactericidal concentration (MBC)?
Answer:
Minimum concentration of antibiotic that results in killing the bacterial isolate

Question:
23. What is empiric therapy?
Answer:
Antibiotic therapy for patients before causative organism is positively identified

Question:
24. What are the 4 types of antibiotic resistance?
Answer:
Decreased permeability/limiting drug uptake Antibiotic efflux pumps Drug inactivation Altered target sites

Question:
25. How does an antibiotic enter the bacterial cell?
Answer:
Porin channels

Question:
26. How are bacteria decreasing permeability for antibiotic therapy?
Answer:
Decreasing porin channels

Question:
27. How are bacteria decreasing uptake of antibiotics?