One of the following is not penicillinase susceptible______________?
Correct answer: D. Cloxacillin
- A. Amoxicillin
- B. Penicillin G
- C. Piperacillin
- D. Cloxacillin
Explanation
Cloxacillin is resistant to staphylococcal penicillinase because of its sterically protected beta-lactam ring. Amoxicillin, penicillin G, and piperacillin are susceptible to beta-lactamase-mediated hydrolysis.
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Practise Antimicrobial Agents
144 free Antimicrobial Agents MCQs from Pharmacology, each with the correct answer and an explanation. Unlimited attempts, no account needed.
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