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': 'Inverse agonist of benzodiazepine receptor is: \nSelect and explain. \nA. Phenobarbitone, B. Flumazenil, C. Beta carboline, D. Gabapentin', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Flumazenil is competitive BZD - antagonist ,while dimethoxyethyl-carbomethoxy-b caboline (DMCM) which is a BZD inverse agonist inhibits GABA action & are rare convulsant. Ref: KD Tripathi 8th ed.', 'role': 'assistant'}]