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 5-year-old boy having dinner suddenly becomes a phonic and is brought to casuality for the complaint of respiratory difficulty. What is the most appropriate management? \nSelect and explain. \nA. Cricothyroidotomy, B. Tracheostomy, C. Humdifier, D. Heimlich maneuver', 'role': 'user'}, {'content': "Answer: D \nExplanation: Emergency Physicians- 6th/ed pp 68,69 Aphonia (inability to speak) and sudden respiratory distress in a young boy while having food, suggests obstruction of the airway with a large bolus of food. Heimlich's maneuver is the recommended, initial procedure of choice for relieving airway obstruction due to solid objects. Cricothyroidotomy or tracheostomy should be performed if the Heimlich's maneuver fails", 'role': 'assistant'}]