Adrenergic receptors Flashcards
1
Q
Alpha 1
A
Constricts smooth muscle
constricts pupilary dilator muscle (which dilates the eye)
constricts superior tarsal muscle to hold eyelid open
2
Q
Alpha 2
A
Mixed effects of smooth muscle
Vasodilation
inhibits aqueous humor formation
3
Q
Beta 1
A
Contracts cardiac muscle
4
Q
Beta 2
A
Relaxes smooth muscle:
broncial dilation
relaxes ciliary muscle for seeing far distances.