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 previously healthy 45-yr-old labourer suddenly develops acute lower back pain with right-leg pain & weakness of dorsiflexion of the right great toe. Which of the following is true - \nSelect and explain. \nA. Immediate treatment should include analgesics muscle relaxants & back strengthening exercises, B. The appearance of the foot drop indicate early surgical intervention, C. If the nerurological signs resolve within 2 to 3 weeks but low back pain persists, the proper treatment would include fusion of affected Lumbar vertebra, D. If the neurological signs fail to resolve within 1 week, Lumbar laminectomy and excision of any herniated nucleus pulposus should be done', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Sudden onset of back pain with radiation to lower limb (right leg pain) and weakness of dorsiflexion of the right great toe in a laborer suggest the diagnosis of PID.\nProgression of neurological impairment (for example weakness of toe extension to foot drop) is an indication for surgery.', 'role': 'assistant'}]