This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: FMGE 2019, Subject name: Pharmacology
[{'content': 'Find therapeutic index of drug from the information given below in the graph \nSelect and explain. \nA. 128, B. 1024, C. 8, D. 16', 'role': 'user'}, {'content': 'Answer: D \nExplanation: TI = LD50/ED50 TI = 128 mg/8 mg = 16', 'role': 'assistant'}]