This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: NEET 2019, Subject name: Pharmacology
[{'content': 'Inhalational anesthetic with highest respiratory irritation is:- \nSelect and explain. \nA. Desflurane, B. Nitrous oxide, C. Sevoflurane, D. Halothane', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Max respiratory irritation:- Desflurane MAC of Nitrous Oxide: >104% Smooth inducing agent, preferred in children : Sevoflurane Halothane:- Sensitize hea to arrythmogenic agent( Eg:- Ardenaline). Therefore contraindicated in pheochromocytoma', 'role': 'assistant'}]