This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: General pharmacology, Subject name: Pharmacology
[{'content': 'Most common drug transpo mechanism is \nSelect and explain. \nA. Active transpo, B. passive diffusion, C. facilitated diffusion, D. P glycoprotein', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Passive diffusion- entry of drugs from high to low conc. with no requirement of ATP or energy Pg.no 30 KD TRIPATHI Seventh edition', 'role': 'assistant'}]