This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Anti Microbial, Subject name: Pharmacology
[{'content': 'Which of the cephalosporin is used in pseudomonas aeruginosa:? \nSelect and explain. \nA. Cefadroxil, B. Cefuroxime, C. Ceftazidime, D. Cefotaxime', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Ans. C. Ceftazidime4 and 5 generations of cephalosporins can be given for pseudomonas infection. Only ceftazidime and cefoperazone are the third generation drugs given as antipseudomonal agents.', 'role': 'assistant'}]