Pharmacology Flashcards
1
Q
pharmacology
A
study of action of drugs on living systems
2
Q
pharmacodynamics
A
what the drug does to the body e.g alcohol makes you drunk
3
Q
pharmacokinetics
A
what the body does to the drug e.g liver metabolises
4
Q
agonists
A
drugs that mimic neurotransmitters
5
Q
antagonists
A
drugs that block neurotransmitters
6
Q
localised anaesthetic effect
A
sedates localised area with no loss of consciousness
7
Q
what is a common local anaesthetic used in dentistry
A
lidocaine
8
Q
how do local anaesthetics work
A
1 - LAs bind to target site on intracellular side of Na+ channels
2 - LA prevents Na+influx therefore prevents depolarisation, prevents AP and prevents perception of pain