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
Thompson and Epstein classification used in 
Select and explain. 
A. Anterior dislocation of Hip, B. Posterior dislocation of Hip, C. Central dislocation of Hip, D. Fracture neck of femur
B: Posterior dislocation of Hip
Answer: B: Posterior dislocation of Hip 
Explanation: None