CH 15 Flashcards
This drug class produces their effects by activating adrenergic receptros
Adrenergic agonists
This is the most common mechanism by which drugs activate peripheral adrenergic receptros
Direct interaction
Name the 2 major chemical classes of adrenergic agonists
catecholamines
noncatecholamines
True or False
Catecholamines have short half lives and cannot be used orally
True
True or False
Catecholamines have minimal effects on the CNS
True- they are polar molecules so they cannot cross the blood brain barrier
What are three noncatecholamines
ephedrine
albuterol
phenylephrine
true of false
noncatecholamines cannot be used orally
false
What two responses are elicited from activation of a1 receptors
vasoconstriction and mydriasis
What receptors are activated by epinephrine
a1
a2
b1
b2
a1, a2, b1 are activated by what adrenergic agonists
norepinephrine
What receptors does isoproterenol activate
b1
b2
true or false
dobutamine is a noncatecholamine
false it is a catecholamine
what receptor is activated by dobutamine
b1
dopamine activates which receptors
a1
b1
dopamine
what receptros are activated by ephedrine
a1
a2
b1
b2