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
Most common site of Actinomycosis amongst the following is - 
Select and explain. 
A. Tibia, B. Ribs, C. Mandible, D. Femur
C: Mandible
Answer: C: Mandible 
Explanation: Most common type of actinomycosis is oro-cervico-facial.
Angle of the jaw is the most common site.