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

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2
Q

Alpha 2

A

Mixed effects of smooth muscle

Vasodilation
inhibits aqueous humor formation

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3
Q

Beta 1

A

Contracts cardiac muscle

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4
Q

Beta 2

A

Relaxes smooth muscle:

broncial dilation
relaxes ciliary muscle for seeing far distances.

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