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': 'A 30 year old man involved in a fisticuff, injured his middle finger and noticed slight flexion of DIP joint. X-ray were normal. The most appropriate management at this stage is : \nSelect and explain. \nA. Ignore, B. Splint the finger in hyperextension, C. Surgical repair of the flexor tendon, D. Buddy strapping', 'role': 'user'}, {'content': 'Answer: B \nExplanation: An acute mallet finger should be splinted with the DIP joint in hyper extension for 8 weeks.', 'role': 'assistant'}]