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: Microbiology
[{'content': 'Which species of Pseudomonas is the most common cause of intravenous catheter related infection- \nSelect and explain. \nA. Pseudomonas cepacia, B. P. aeruginosa, C. P. maltophilia, D. Burkholderia pseudomallei', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Ans. (b) P. aeroginosa Etiology of bacteremla associated with IV catheters Staph. epidermidis 85% S. aureus 7% Candida albicans 3% Enterococcus 2% Others - E. coli - Keibsieila - P. aerqinosa - Viridans streptococci 3%', 'role': 'assistant'}]