Antimicrobial Chemotherapeutic Agents problems
- 1. Which is not an amino acid and peptide antibiotic?
Options- A. Penicillin
- B. Actinomycin
- C. Bacitracin
- D. Tetranactin Discuss
Correct Answer: Tetranactin
- 2. Both penicillin and fluoroquinolones
Options- A. bind to and inactivate a bacterial protein
- B. inhibit the cross-linking of peptidoglycan
- C. are inactivated by ?-lactamase
- D. must be transported into the cytoplasm in order to act Discuss
Correct Answer: bind to and inactivate a bacterial protein
- 3. Which of the following protein synthesis mechanisms may be affected by particular drugs?
Options- A. Peptide bond formation
- B. mRNA translocation
- C. Aminoacyl-tRNA binding
- D. All of these Discuss
Correct Answer: All of these
- 4. Which of the following may cause resistance to penicillin?
Options- A. Impermeability of cell envelope
- B. Production of ?-lactamases by bacteria
- C. Alteration or lack of penicillin-binding proteins
- D. All of the above Discuss
Correct Answer: All of the above
- 5. Fluoroquinolones are antibiotics which inhibit
Options- A. DNA polymerase
- B. RNA polymerase
- C. DNA gyrase
- D. Cross-linking of peptidoglycan Discuss
Correct Answer: DNA gyrase
- 6. Which of the following is a drug that interferes with the process of DNA production in the virus that causes genital herpes?
Options- A. Erythromycin
- B. Vancomycin
- C. Amantadine
- D. Acyclovir Discuss
Correct Answer: Acyclovir
- 7. The antibiotics which affords a broad spectrum of antimicrobial coverage against aerobic and anaerobic bacteria, rickettsiae, chlamydiae, and mycoplasmas is
Options- A. gentamicin
- B. tetracycline
- C. metronidazole
- D. vancomycin Discuss
Correct Answer: tetracycline
- 8. When using alcohol as an antiseptic, which concentration is considered most effective?
Options- A. 95%
- B. 50%
- C. 70%
- D. 25% Discuss
Correct Answer: 70%
- 9. The compound(s) which act(s) as metabolic antagonist is/are
Options- A. trimethoprim
- B. sulphonamides
- C. both (a) and (b)
- D. none of these Discuss
Correct Answer: both (a) and (b)
- 10. The scientist who first discovered the substance penicillin was
Options- A. Joseph Lister
- B. Alexander Fleming
- C. Paul Ehrlich
- D. none of these Discuss
Correct Answer: Alexander Fleming
More in Microbiology:
Programming
Copyright ©CuriousTab. All rights reserved.