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': 'A drug with plasma half life of 12 hours is administered twice a day. A drug with plasma half life of 12 hours is administered twice a day. Steady state plasma concentration reached is 300 mg/dl. Which of the following statements about this drug is not true? \nSelect and explain. \nA. Plasma concentration will be approximately 260 mg/d1 after three half lives of initiation of therapy, B. Intravenous administration will always achieve a higher concentration than oral route, C. After changing the dose, plasma concentration should be measured after 3 days, D. Doubling the dose, will double the plasma concentration after 3 days', 'role': 'user'}, {'content': "Answer: B \nExplanation: Ans. is 'b' i.e., Intravenous administration will always achieve a higher concentration than oral route", 'role': 'assistant'}]