Answer to Question 1
Ans: C, D, E
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Examples of beta-lactamase inhibitors are clavulanic acid, sulbactam, and tazobactam. Amoxicillin is an example of an aminopenicillin. Piperacillin is an example of an extended-spectrum penicillin.
Answer to Question 2
Ans: B, C, D, E
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Penicillins are categorized into four groups including the natural penicillins, penicillinase-resistant penicillins, aminopenicillins, and extended-spectrum penicillins.