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: Pharmacology
[{'content': 'Secobarbitone is ? \nSelect and explain. \nA. Long acting barbiturate, B. Intermediate acting barbiturate, C. Sho acting barbiturate, D. Ultra sho acting barbiturate', 'role': 'user'}, {'content': "Answer: C \nExplanation: Ans. is 'c' i.e., Sho acting barbiturate Long acting barbiturates - Phenobarbitone, Mephobarbitone. Sho acting barbiturates - Butobarbitone, secobarbitone, Pentobarbitone. Ultrasho acting - Thiopentone, Methohexitone, Hexobarbitone.", 'role': 'assistant'}]