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': 'Thiopentone is C/I in – \nSelect and explain. \nA. Acute intermittent porphyria, B. Bronchial asthma, C. Both, D. None', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Thiopentone is contraindicated in acute intermittent porphyria.\nIt is contraindicated in status asthmaticus but not in simple asthma.', 'role': 'assistant'}]