Orthopaedics Infection of Bones & Joints 3a7b31ee Most common cause of nongonococcal septic arthritis is A Staph - aureus B H. influenza C Pseudomonas D Streptococcus High-Yield Explanation Ans. is 'a' i.e. Staph aureus m.c cause or septic arthritis isCommonest route of infectionCommonest joint affected-Staph aureus**-Hematogenous* knee*