This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Cell Wall Synthesis Inhibitors, Subject name: Pharmacology
[{'content': 'All of the following are anti-Pseudomonal drugs except:- \nSelect and explain. \nA. Piperacillin, B. Cefoperazone, C. Ceftazidime, D. Cefadroxil', 'role': 'user'}, {'content': 'Answer: D \nExplanation: DRUGS EFFECTIVE AGAINST PSEUDOMONAS Beta lactam antibiotics Carboxypenicillins i. Carbenicillin ii. Ticarcillin Ureidopenicillin i. Piperacillin ii. Azlocillin iii. Mezlocillin Carbapenems i. Imipenem ii. Doripenem iii. Meropenem Monobactams i. Aztreonam Cephalosporins i. Ceftazidime ii. Cefoperazone iii. Moxalactam iv. Cefepime v. Cefpirome Fluoroquinolones i. Ciprofloxacin ii. Levofloxacin Polypeptide Antibiotics i. Colistin ii. Polymixin B. Aminoglycosides', 'role': 'assistant'}]