<prompt> 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 -Ceftazidine amikacinAztreonam AmikacinCefpirome amikacinImipenem Amikacin  <response>: Ans. is d i.e., Impipenem Amikacin 