Which of the following statements about piperacillin is incorrect?

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Effective against Pseudomonas aeruginosaFunctions as a beta-lactamase inhibitorClassified as a ureidopenicillinAdministered via parenteral routeHas broad-spectrum antibacterial activity

Explanation

Piperacillin is known for its activity against Pseudomonas aeruginosa, is categorized as a ureidopenicillin, and is administered parenterally. However, it does not inhibit beta-lactamase enzymes; instead, it is susceptible to degradation by them unless combined with a beta-lactamase inhibitor.