This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Central Nervous system, Subject name: Pharmacology
[{'content': 'Status epilepticus Drug of choice is \nSelect and explain. \nA. Benzodiazepine, B. Valproate, C. Barbiturate, D. Ethosuximide', 'role': 'user'}, {'content': 'Answer: A \nExplanation: LORAZEPAM iv is considered as the firset drug to be given followed by phenytoin. Ref: KD Tripathi 8th ed.', 'role': 'assistant'}]