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
The mechanism of action of local anaesthetics is that they act on Na+ channels in their : 
Select and explain. 
A. Activated state, B. Inactivated state, C. Resting state, D. Any state
A: Activated state
Answer: A: Activated state 
Explanation: None