Why is methicillin no longer used for treating patients with resistant staphylococcal infections?
A) Methicillin is no longer resistant to penicillinase.
B) Penicillin-binding proteins have changed so that methicillin is now ineffective.
C) Bacteria have become resistant.
D) Methicillin is no longer available because of its toxicity.
Correct Answer:
Verified
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