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: Surgery
Hangman's fracture is 
Select and explain. 
A. Subluxation of C5 over C6, B. Fracture dislocation of C2, C. Fracture dislocation of ankle joint, D. Fracture of odontoid
B: Fracture dislocation of C2
Answer: B: Fracture dislocation of C2 
Explanation: B Fracture dislocation of C2 Hangman's fracture is traumatic spondylolisthesis of axis (C2) veebrae on C3Q due to fracture line passing through the neural arch (pedicle/ pars interaicularis)Q