Autonomic Nervous system and lidocaine Flashcards
to beat mo time 4
What nervous system controls homeostasis
autonomic
What nervous system regulates functions
parasympathetic
what are the two subdivisions of the autonomic nervous system
Sympathetic and parasympathetic
what system is on all the time
parasympathetic
what is the fight or flight nervous system
sympathetic nervous system
What is an autonomic ganglion
synapse relay between neurons (micro-organ)
What is a preganglionic neurone
A preganglionic neurone is the 1st one
What is a postganglionic neurone
a postganglionic neurone is the one after the autonomic ganglion
What is the parasympathetic nervous system responsible for
rest and digest
What inivates lots of shit
vagus nerve
what are the two types of receptors
Alpha and Beta
What is lidocaine
Anaesthetic with minor analgesic properties
What does anaesthetic mean
Blocks sensation
What does analgesic mean
Pain killer
What class is Lidocaine
Class Ib drug
What do class 1b drugs do
Block voltage-sensitive (voltage gated) sodium channels and eliminates the responsiveness of these cells to pain.
What does Lidocaine do to the action potential duration
stops it
What does lidocaine do
blocks voltage gated Na+ channels and causes a loss of sensation to pain