This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: General anatomy, Subject name: Anatomy
[{'content': 'I time required to reach the steady state after a dosage regimen depends on \nSelect and explain. \nA. Route of Administration, B. Half life of drug, C. Dose interval, D. Dosage of the drug', 'role': 'user'}, {'content': 'Answer: B \nExplanation: after a dosage regimen, concentraton of the drug to reach the stead state (when the eliminaton balances the input) is called steady state plasma concentration cpss cpss is reached in about 4-5 half lives. the amplitule fluctuations in Cpss depends on the dose interal relative t1/2 Ref-KDT 6/e p32', 'role': 'assistant'}]