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
Which species of Pseudomonas is the most common cause of intravenous catheter related infection- 
Select and explain. 
A. Pseudomonas cepacia, B. P. aeruginosa, C. P. maltophilia, D. Burkholderia pseudomallei
B: P. aeruginosa
Answer: B: P. aeruginosa 
Explanation: 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%