Microbiology - Antimicrobial Chemotherapeutic Agents

Exercise :: Antimicrobial Chemotherapeutic Agents - Section 1

  • Antimicrobial Chemotherapeutic Agents - Section 1
31. 

Which of the following may cause resistance to penicillin?

A. Impermeability of cell envelope
B. Production of β-lactamases by bacteria
C. Alteration or lack of penicillin-binding proteins
D. All of the above

Answer: Option D

Explanation:

No answer description available for this question. Let us discuss.

32. 

The third generation cephalosporin agents is

A. cefotaxime
B. cefoxitin
C. cephalothin
D. cephalexin

Answer: Option A

Explanation:

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33. 

The penicillin resistant to β-lactamases is

A. carbenicillin
B. closacillin
C. penicillin-G
D. ampicillin

Answer: Option B

Explanation:

No answer description available for this question. Let us discuss.

34. 

The antibiotics not clinically useful for Pseudomonas aeruginosa infection is

A. aminoglycosides
B. ceftazidime
C. piperacillin
D. trimethoprim-sulphamethoxazole

Answer: Option D

Explanation:

No answer description available for this question. Let us discuss.

35. 

Which of the following drugs may show plasmid-mediated resistance?

A. Nalidixic acid
B. Ampicillin
C. Rifampicin
D. Methicillin

Answer: Option B

Explanation:

No answer description available for this question. Let us discuss.