This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Ohopaedics Q Bank, Subject name: Orthopaedics
Most common osteomyelitis causing organisms in IV drug abusers? 
Select and explain. 
A. Staphylococcus aureus, B. Pseudomonas, C. Salmonella, D. Pasteurella
B: Pseudomonas
Answer: B: Pseudomonas 
Explanation: Osteomyelitis- M/C causitive organisms in i.v drug abuser is pseudomonas :-