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': 'The following is true regarding benzodiazepines ? \nSelect and explain. \nA. It alters sleep pattern more than sedatives, B. All have pharmacologically active metabolites, C. Induces liver enzyme, D. If taken in higher doses it is less toxic than other sedatives', 'role': 'user'}, {'content': "Answer: D \nExplanation: Ans. is 'd' i.e., If taken in higher doses it is less toxic than other sedatives o BZDs have a high therapeutic index. Ingestion of even 20 hypnotic doses does not usually endager life --> Benzodiazepines have flat dose response curves.", 'role': 'assistant'}]