This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: All India exam, Subject name: Dental
[{'content': 'The maximum dose of isotretinoin should not exceed \nSelect and explain. \nA. 30-60mg/kg, B. 60-90 mg/kg, C. 90-120 mg/kg, D. 120-150 mg/kg', 'role': 'user'}, {'content': 'Answer: D \nExplanation: Oral isotretinoin duration of treatment varies according to dose but post-therapy relapse is minimized by treatment courses that amount to the total of 120-150 mg/kg Ref Harrison 20th edition pg 1233', 'role': 'assistant'}]