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': 'A previously healthy 45 yrs old laborer suddenly develops acute lower back pain with right-leg pain and 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 and back strengthening exercises, B. The appearance of the foot drop indicate early surgical intervention, C. If the neurological sign resolve within 2 to 3 weeks but low back pain persists, the proper treatment would include fusion of affected Lumbar veebra, D. If the neurological signs fail to resolve within 1 week, Lumbar laminectomy and exscision of any herniated nucleus pulposus should be done', 'role': 'user'}, {'content': 'Answer: B \nExplanation: This seems to be a case of interveebral disk prolapse at L4 - L5 level involving L5 root. Here since there is muscular weakness, surgical intervention is indicated. Ref: Schwaz Pretest Surgery, Q. 720', 'role': 'assistant'}]