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: Orthopaedics
Choose the wrong statement about osteomyelitis 
Select and explain. 
A. Sickle cell anemia - Salmonella, B. HIV - Staph aureus, C. Post surgical - Pseudomonas aeruginosa, D. Diabetic Ulcer - Anaerobes
C: Post surgical - Pseudomonas aeruginosa
Answer: C: Post surgical - Pseudomonas aeruginosa 
Explanation: None