This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Pharmacokinetics, Subject name: Pharmacology
[{'content': 'Elimination after 4 half-lives in first order kinetics is: \nSelect and explain. \nA. 84%, B. 93%, C. 80.50%, D. 4.75%', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Ans. B.93%Drugs elimination after different half-life:Half-lifeEliminationFirst50%Second75%(50+25)Third87.5%(50+25+12.5)Fourth93.75%(50+25+12.5+6.25)', 'role': 'assistant'}]