This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: All India exam, Subject name: Pharmacology
permenant cerebellar damage is seen in lithium toxcity at what levels? 
Select and explain. 
A. 1-1.5 meq/l, B. >2 mew/l, C. >3 meq/l, D. >4meq/l
C: >3 meq/l
Answer: C: >3 meq/l 
Explanation: ref : kd tripathi 8th ed