Pharmacology Which of the following antimicrobial is effective against an organism producing extended spectrum beta lactamase? A Amoxicillin-Clavulinic acid B Cefepime C Piperacillin-Tazobactam D Ceftriaxone 💡 Explanation Which of the following antimicrobial is effective against an organism producing extended spectrum beta lactamase? ✓ Correct Answer: C. Piperacillin-Tazobactam