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: Anaesthesia
[{'content': 'The anaesthetic that affects the laryngeal & pharyngeal reflexes minimally – \nSelect and explain. \nA. Propanidid, B. Methohexitane, C. Thiopentone, D. Ketamine', 'role': 'user'}, {'content': 'Answer: D \nExplanation: Airway reflexes (pharyngeal & laryngeal) are not depressed → can be used for emergency anaesthesia.', 'role': 'assistant'}]