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Pharm 203 > Adrenergic receptors > Flashcards

Adrenergic receptors Flashcards

1
Q

adrenergic receptor location

A

ANS effector organs

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2
Q

Noradrenaline

A

endogenous transmitter released from synapses

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3
Q

adrenaline

A

hormone from adrenal medulla

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4
Q

dopamine

A

NA precursor but endogenous transmitter in CNS

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5
Q

Alpha 1 adrenergic receptor

A

Gq linked
-Constricts SM except for Gastrointestinal tract
-causes glycogen-lysis (increase metabolism)

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6
Q

Alpha 2 adrenergic receptor

A

Gi linked
- relax gastrointestinal tract
-depresses further adrenergic and cholinergic releases

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7
Q

Beta 1 adrenergic receptor

A

Gs linked
-Has strong effect on increasing heart rate and contraction

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8
Q

Beta 2 adrenergic receptor

A

Gs linked
-relaxes most SM
-causes tremor and muscle mass/ contraction force
-inhibits histamine release
-stimulates further adrenergic release

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9
Q

Beta 3 adrenergic receptor

A

Gs linked
-relaxes bladder
-increase anabolic metabolism

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Pharm 203 (38 decks)

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