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': 'Zero order kinetics occur in following drug with high dose \nSelect and explain. \nA. Phenytoin and theophylline, B. Digoxin and prapranol, C. Amiloride and probenecid, D. Lithum and thiophylline', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Phenytoin and thiophylline follows zero order kinetics with high dose as it follow linear with time Ref -KDT 6/e p31,138', 'role': 'assistant'}]