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
[{'content': 'Kumar, a 31 yrs old motorcyclist sustained injury over his Right hip joint. X-ray revealed a posterior dislocation of the Right hip joint. The clinical attitude of the affected lower limb will be: \nSelect and explain. \nA. External rotation, extension and abduction, B. Internal rotation, flexion and adduction, C. Internal rotation, extension and abduction, D. External rotation, flexion and abduction', 'role': 'user'}, {'content': "Answer: B \nExplanation: In posterior dislocation of hip, the limb is held in flexion, adduction and internal rotation. It's the opposite in anterior dislocation. The treatment is emergency reduction of the dislocated hip. Ref: Essential Ohopedics By J Maheswari, 2nd Edition, Pages 181-183", 'role': 'assistant'}]