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: Biochemistry
Na channel mediated TTXN resistant caused is d
to involvement of the following: 
Select and explain. 
A. Nav 1.1, B. Nav 1.8, C. TRPI, D. NMD4
B: Nav 1.8
Answer: B: Nav 1.8 
Explanation: None