This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Cardiopulmonary resuscitation and mechanical ventilation, Subject name: Anaesthesia
[{'content': 'A 40 year old man who met with a motor vehicle catastrophe came to the casualty hospital in an hour with severe maxillofacial trauma. His Pulse rate was 120/min, BP was 100/70 mm Hg, Sp02 - 80% with oxygen. What would be the immediate management- \nSelect and explain. \nA. Nasotracheal intubation, B. Orotracheal intubation, C. Intravenous fluid, D. Tracheostomy', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Orotracheal intubation is recommended in patients with severe maxillofacial injury as patient saturation is falling . Tracheotomy is indicated in severe facial trauma but orotracheal intubation under modern intubation techniques using fibre optic assistance is being preferred over tracheostomy.', 'role': 'assistant'}]