B1 Flashcards
2 different types of mechanisms of actions
physical interactions
biochemical interactions
physical intereactions
osmotic diuretics e.g. mannitol
antacids e.g. MgOH
laxatives e.g. MgSo
chelates e.g. EDTA
2 different types of biochemical interactions
non receptorial
regeptorial-ligands
examples of non receptorial drug activity
inhibition of enzymes
dna damage
transporters
ion channels
examples of receptorial-ligands
ligand gates ion channels
g protein coupled receptors
receptor activated tyrosine kinases
intracellular nuclear receptors
inotropic effect
effect on the force of the muscle contraction
chronotropic effect
effect on heart rate
dromotropic effect
effect on conduction speed of the av node
Gs
B1
B2
Gi
M2
Alpha2
Gq
histamine
alpha 1
serotonin
B1
stimulating
+ve chronotrpoic
+ve inotropic
B2
inhibitor
bronchodilation
vasodilation
M2
cholinergic receptors
alpha 2
sedation
anaesthesia