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: Pediatrics
Septic ahritis in a 2 year old child is often caused by- 
Select and explain. 
A. Hemophilous influenzae, B. Staphylococcus aureus, C. Gonococi, D. Pneumococci
B: Staphylococcus aureus
Answer: B: Staphylococcus aureus 
Explanation: Ans. is 'b' i.e., Staphylococcus aureus Bacteria are the most common pathogens in acute skeletal infections. o The microbial spectrum is deverse in suppurative ahritis, but staphylococcus aureus infection is most common. Salmonella is the most common cause of osteomyelitis in children with sickle cell anemia.