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 is the first sign of tuberculous cord compression? \nSelect and explain. \nA. Absent DTR, B. Sensory loss, C. Spasticity, D. Weakness', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Spasticity is the earliest sign among the given choices. It usually involves the thoracic spine and anterolateral decompression is a treatment approach.', 'role': 'assistant'}]