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
Local anaesthetics : 
Select and explain. 
A. Block the release of neurotransmitters, B. Block the influx of sodium into the cell, C. Increase the release of inhibitory neurotransmitters, D. Inhibit the efflux of sodium from neurons
B: Block the influx of sodium into the cell
Answer: B: Block the influx of sodium into the cell 
Explanation: None