Which of the following penicillins has the best gram negative spectrum ?
Correct answer: B. Ampicillin
- A. Methicillin
- B. Ampicillin
- C. Penicillin V
- D. Cefixime
Explanation
Ampicillin has a broader Gram-negative spectrum than penicillin V and methicillin, including activity against organisms such as Haemophilus and some enteric bacilli. Cefixime has broader Gram-negative activity but is a cephalosporin, not a penicillin.
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Practise Antimicrobial Agents
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