Dentistry

at a Glance

Elizabeth Kay

Multiple Choice: Chapter 65 Local anaesthesia

Question 1.Local anaesthetics produce their anaesthetic effect by which one of the following?

A Blocking the brain's abilities to perceive pain
B Reducing the blood flow to the region being anaesthetised
C Selectively blocking the C-fibres responsible for nerve conduction
D Stabilising the neuronal membranes
E Effecting saltatory conduction of nerve impulses