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
Drug which is given along with tazobactam and has anti pseudomonas activity: 
Select and explain. 
A. Amoxicillin, B. Aztreonam, C. Piperacillin, D. Vancomycin
C: Piperacillin
Answer: C: Piperacillin 
Explanation: Ans. C. PiperacillinPenicillin which are given for pseudomonas infection are carbenicillin, ticarcillin, piperacillin, azlocillin. Piperacillin is drug which is combined with tazobactam for infections.