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
In traumatic injury of the hip - 
Select and explain. 
A. Anterior dislocation is common, B. Posterior dislocation is common, C. Avascular fracture is common, D. Visceral injury usually associated with fracture femur
B: Posterior dislocation is common
Answer: B: Posterior dislocation is common 
Explanation: Posterior dislocation is more common (not anterior dislocation).
Most of the time dislocation can be reduced by closed reduction.
Visceral injuries are usually associated with pelvic fracture (not femur fracture).