This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Pharmacology
[{'content': 'The blood culture from a patient of febrile neutropenia has grown Pseudomonas aeruginosa, It was found to be a producer of extended spectrum beta lactamase enzyme. The best choice of antimicrobial therapy should be - \nSelect and explain. \nA. Ceftazidine + amikacin, B. Aztreonam +Amikacin, C. Cefpirome + amikacin, D. Imipenem +Amikacin', 'role': 'user'}, {'content': "Answer: D \nExplanation: Ans. is 'd' i.e., Impipenem + Amikacin", 'role': 'assistant'}]