This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Musculoskeletal Radiology, Subject name: Radiology
[{'content': 'What is the type of fracture shown here? \nSelect and explain. \nA. Jefferson fracture, B. Clay Shovelers Fracture, C. Hangmans Fracture, D. Jones fracture', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Hangman fracture/Traumatic Spondylolisthesis of Axis(C2) is a fracture which involves both pars interaicularis of the C2 veebra . It is typically the result of a hyperextension and distraction injury.', 'role': 'assistant'}]