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
[{'content': 'Seen in Colles # A/E - \nSelect and explain. \nA. Proximal shift, B. Dorsal tilt, C. Lateral tilt, D. Pronation', 'role': 'user'}, {'content': 'Answer: D \nExplanation: Typical displacements in Colles fracture are dorsal displacement (dorsal shift), Dorsal tilt, lateral displacement (lateral shift), lateral tilt, Impaction (proximal migration), and supination (external rotation).', 'role': 'assistant'}]