All true about cephalosporins EXCEPT:
Ceftazimide is a 3rd generation cephalosporin
Cefoperzone has got antipseudomonal effect.
Cefoxitin has got no activity against anaerobes
Cephalosporins act by inhibiting cell wall synthesis
This 2nd generation cephalosporin was developed subsequent to the first generation compounds and are more active against gram-negative organisms, anaerobes, but none inhibits P. aeruginosa ESSENTISLS OF MEDICAL PHARMACOLOGY
Chemotherapy