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
A patient on oral lithium therapy posted for surgery what is the recommendation. 
Select and explain. 
A. 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
B: Stop 24 - 48 hours prior To Sx
Answer: B: Stop 24 - 48 hours prior To Sx 
Explanation: Lithium is stopped 24- 48 hour prior to surgery. Lithium potentiates neuromuscular blockers thus stopped prior to surgery