<prompt> Ceftriaxone is:IInd generation sho acting cephalosporinHas activity against beta lactamase producing bacteriaIVth generation long acting cephalosporinIIIth generation long acting cephalosporin  <response>: 3rd generation cephalosporins: Cefotaxime, Ceftizoxime ,Ceftriaxone ?Ceftazidime ,Cefoperazone, Cefixime Cefpodoxime proxetil ,Cefdinir ,Ceftibuten ,Ceftamet pivoxil ESSENTIALS OF MEDICAL PHARMACOLOGY page no. 726 