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Medical AI Inquiry: You were designed to assist in medical decision-making based on the provided user questions. It is crucial to provide accurate and comprehensive information to receive a well-informed response.
user
All of the following are ture regarding cephalosporins except -
assistant
The correct answer is  Ans. is 'b' i.e., Active against olny gram negative bacteria Cephalosporins are active against gram positive as well as gram negative bacteria, and are bactericidal. o Ceftriaxone is a parentral cephalosporin. o Third generation cephalosporins are highly resistant to beta-lactamases from gram negative bacteria.