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': 'What is the rationale behind xenobiotic metabolism by CYP enzymes \nSelect and explain. \nA. Increase in water solubility, B. Increase in lipid solubility, C. Conversion to an active metabolites, D. Makes it suitable to evaporate through skin surface', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Refer Katzung 12th/p53,54 The aim of xenobiotic metabolism is to increase water solubility so that these compounds can be excreted in urine', 'role': 'assistant'}]