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': 'Which of the following attitude will be seen in a patient with posterior dislocation of hip? \nSelect and explain. \nA. Flexion, Abduction, Internal rotation, B. Flexion, Adduction, Internal rotation, C. Flexion, Abduction, External rotation, D. Flexion, Adduction, External rotation', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Dislocations are usually posterior, and occasionally anterior, or central through the acetabulum. Posterior dislocation: Hip is flexed, adducted, and internally rotated, and leg is shoened. Anterior dislocation: Hip is flexed, abducted, and externally rotated, and leg is shoened. Central dislocation: Trochanter is displaced medially. One may be able to feel the head of femur rectally. There is no shoening.', 'role': 'assistant'}]