Antimicrobial Chemotherapeutic Agents problems
- 1. The mode of action of polymyxin is to
Options- A. inhibit protein synthesis
- B. inhibit DNA synthesis
- C. injury to the plasma membrane
- D. inhibit folic acid synthesis Discuss
Correct Answer: injury to the plasma membrane
- 2. Which of the following is not an example of potent antitumer agents?
Options- A. Anthramycin
- B. Sibromycin
- C. Neothramycin
- D. Erythromycin Discuss
Correct Answer: Erythromycin
- 3. The most selective antibiotics are those that interfere with the synthesis of
Options- A. bacterial DNA
- B. bacterial RNA
- C. bacterial cell walls
- D. bacterial plasma membrane Discuss
Correct Answer: bacterial cell walls
- 4. A parenteral route of drug administration refers to
Options- A. oral
- B. nonoral
- C. intravenously
- D. intramuscularly Discuss
Correct Answer: nonoral
- 5. With which of the following aminoglycosides interfere?
Options- A. Protein synthesis
- B. DNA function
- C. Cell wall synthesis
- D. Cell membrane function Discuss
Correct Answer: Protein synthesis
- 6. More promising chemotherapeutic agents for treating viral diseases is
Options- A. leukocytic interferon
- B. fibroblast interferon
- C. interferon
- D. nystatin Discuss
Correct Answer: interferon
- 7. Which of the antibiotic is not used as a food preservative?
Options- A. Pimaricin
- B. Nisin
- C. Tylosin
- D. ?-lactam antibiotic Discuss
Correct Answer: ?-lactam antibiotic
- 8. A broad-spectrum antibiotic such as chloramphenicol is one that
Options- A. kills both Gram positive and Gram negative bacteria
- B. kills all bacteria
- C. kills numerous types of microbes
- D. kills all microorganisms Discuss
Correct Answer: kills numerous types of microbes
- 9. Quinolones are
Options- A. antimetabolites
- B. penicillin derivatives
- C. bacteriostatic
- D. broad-spectrum Discuss
Correct Answer: broad-spectrum
- 10. Interference mechanism of ciprofloxacin and norfloxacin is due to their action on
Options- A. cell wall synthesis
- B. cell membrane function
- C. DNA function
- D. protein synthesis Discuss
Correct Answer: DNA function
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