Smooth Muscle Pharmacology Flashcards
What are the two muscarinic receptor agonists?
acetylcholine and bethanechol
What are the two muscarinic receptor antagonists?
atropine and ipratropium
What are the alpha adrenergic receptor agonists?
Norepinephrine and epinephrine, phenylephrine, and clonidine
What is the alpha adrenergic receptor antagonist?
phentolamine
What are the beta adrenergic receptor agonists?
norepinephrine, epinephrine, albuterol, levalbuterol
What are the beta adrenergic receptor antagonists?
Propranolol
Which are muscarinic and which are nicotinic: ganglion and organ
nicotinic - ganglionic
muscarinic - organ
What is the neurotransmitter for parasympathetics?
Ach
What is the neurotransmitter for sympathetics?
Norepinephinr
What is the difference between mydriasis and miosis?
Miosis is constriction, mydriasis is dilation
Muscarinic receptors work by what G protein
?
G q/11
PLC - IP3 - Ca2+
alpha 2 and beta adrenergic receptors differ how?
Alpha inhibits the G protein and B excited the G protein
Potency and efficacy, how are they represented on the graph?
Further left is higher potency
Higher is higher efficacy
Which receptors have a higher potency?
Beta
Which receptors have a higher efficacy?
Alpha