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
Cephalosporin with anti pseudomonal activity ? 
Select and explain. 
A. Cefazoline, B. Cefoperazone, C. Ceftriaxone, D. Cefuroxime
B: Cefoperazone
Answer: B: Cefoperazone 
Explanation: Ans. is 'b' i.e., Cefoperazone Drugs acting against Pseudomonas. Penicillins - Piperacillin, Carbenicillin, Ticarcillin, Mezlocillin. Cephalosporins - Ceftazidime, Cefoperazone, Cefepime. Carbapenems - Imipenem, meropenem Monobactams - Aztreonam. Aminoglycosides - Tobramycin, Gentamycin, Amikacin. Fluroquinolones - Ciprofloxacin, Levofloxacin, Norfloxacin.. Other - Polymixin B, Colistin.