This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Monitoring in Anesthesia, Subject name: Anaesthesia
[{'content': 'A patient on oral lithium therapy posted for surgery what is the recommendation. \nSelect and explain. \nA. Continue till the day of Sx, B. Stop 24 - 48 hours prior To Sx, C. Stop 48-72 hours prior to Sx, D. Stop 1 week prior to Sx', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Lithium is stopped 24- 48 hour prior to surgery. Lithium potentiates neuromuscular blockers thus stopped prior to surgery', 'role': 'assistant'}]