Adrenergic Receptor Subtypes Flashcards

1
Q

SA node

A

beta-1

increase HR

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2
Q

AV node

A

beta-1

increase conduction velocity

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3
Q

Atria & Ventricles

A

beta-1

increase contractility

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4
Q

skeletal muscle blood vessels

A

alpha-1; beta-1

constriction; dilation

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5
Q

blood vessels in skin, mucosa

A

alpha-1

constriction

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6
Q

bronchial muscle

A

beta-2

bronchiolar dilation

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7
Q

bladder detrusor muscle

A

beta-2, beta-3

relaxation

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8
Q

trigone & sphincter of bladder

A

alpha-1

contraction

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9
Q

penis

A

alpha-1

ejaculation

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10
Q

iris radial muscle

A

alpha-1

contraction - mydriasis

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11
Q

lens ciliary muscle

A

beta-2

relax - focus far

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12
Q

ciliary body

A

beta

secrete aqueous humor

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13
Q

uterine smooth muscle

A

alpha-1; beta-2

contraction; relaxation

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14
Q

kidney

A

beta-1

secrete renin

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15
Q

adrenergic neurons

A

alpha-2

decrease neurotransmitter release

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16
Q

liver

A

beta-2

glycogenolysis