This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Miscellaneous General Anesthesia, Subject name: Anaesthesia
[{'content': 'Thiopentone is contraindicated in : \nSelect and explain. \nA. Acute intermitent porphyria, B. Induction of GA., C. CHF, D. GI disease', 'role': 'user'}, {'content': "Answer: A \nExplanation: Ans. is 'a' i.e. Acute Intermittent porphyria Barbiturates (Thiopentone) ppt acute intermittent porphyria", 'role': 'assistant'}]