Which drug resistance differentiates the non fermenters, Psedomonas and burkholderia?: (A) Resistance to ampicillin, (B) Resistance to ceftazidime, (C) Resistance to ciprofloxacin, (D) Resistance to polymyxin B
Answer is D. Burkholderia can be differentiated from Pseudomonas by it's resistance to polymyxin, As polymyxin B is used for treating Psedomonas infection