Discussion
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- Question
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
- Correct Answer
- bacterial cell walls
- 1. Which of the following is not an example of potent antitumer agents?
Options- A. Anthramycin
- B. Sibromycin
- C. Neothramycin
- D. Erythromycin Discuss
- 2. 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
- 3. By which of the following means antifungal chemotherapeutic agents may affect fungi?
Options- A. Interfere with nuclear division by preventing the aggregation of microtubules needed for mitosis
- B. Interfere with normal nucleic acid synthesis
- C. Interfere with ergosterol biosynthesis and thus alter the structure of the cytoplasmic membrane as well as the function of several membrane-bound enzymes like those involved in nutrient transport and chitin synthesis
- D. all of these Discuss
- 4. The larger the __________ , the better the chemotherapeutic agent.
Options- A. therapeutic index
- B. therapeutic dose
- C. selective toxicity
- D. spectrum Discuss
- 5. Cycloserine inhibits
Options- A. alanine racemase
- B. D-alanyl - D-alanine synthetase
- C. Both (a) and (b)
- D. amidase Discuss
- 6. A parenteral route of drug administration refers to
Options- A. oral
- B. nonoral
- C. intravenously
- D. intramuscularly Discuss
- 7. With which of the following aminoglycosides interfere?
Options- A. Protein synthesis
- B. DNA function
- C. Cell wall synthesis
- D. Cell membrane function Discuss
- 8. More promising chemotherapeutic agents for treating viral diseases is
Options- A. leukocytic interferon
- B. fibroblast interferon
- C. interferon
- D. nystatin Discuss
- 9. Which of the antibiotic is not used as a food preservative?
Options- A. Pimaricin
- B. Nisin
- C. Tylosin
- D. ?-lactam antibiotic Discuss
- 10. 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
Antimicrobial Chemotherapeutic Agents problems
Search Results
Correct Answer: Erythromycin
Correct Answer: injury to the plasma membrane
Correct Answer: all of these
Correct Answer: therapeutic index
Correct Answer: Both (a) and (b)
Correct Answer: nonoral
Correct Answer: Protein synthesis
Correct Answer: interferon
Correct Answer: ?-lactam antibiotic
Correct Answer: kills numerous types of microbes
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