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: ENT
[{'content': 'A patient presents with facial nerve palsy following head trauma with fracture of the mastoid; best intervention here is - \nSelect and explain. \nA. Immediate decompression, B. Wait and watch, C. Facial sling, D. Steroids', 'role': 'user'}, {'content': 'Answer: A \nExplanation: In case of Temporal bone trauma\n“In case of acute complete paralysis, surgical exploration is warranted if ENOG shows > 90% denervation within 6 days of the onset of parlysis and the patient is neurologically stable”', 'role': 'assistant'}]