This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Pharmacology
Lithium should be stopped how many days before anaesthesia 
Select and explain. 
A. 1 day, B. 2 days, C. 3 days, D. 4 days
C: 3 days
Answer: C: 3 days 
Explanation: None