Autonomic Receptors Flashcards

1
Q

increases vascular smooth muscle contraction

increases pupillary dilator muscle contraction (mydriasis)

increases intestinal and bladder sphincter muscle contraction

Receptor and G-Protein class

A

α1

q

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2
Q

decreases sympathetic outflow

decreases insulin release

decreases lipolysis

increases platelet aggregation

decreases aqueous humor production

Receptor and G-Protein class

A

α2

i

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3
Q

increases heart rate

increases contractility

increases renin release

increases lipolysis

A

β1

s

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4
Q

Vasodilation

bronchodilation

increases lipolysis,

increases insulin release

decreases uterine tone
(tocolysis)

ciliary muscle relaxation

increases aqueous humor production

A

β2

s

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5
Q

CNS, enteric nervous system

A

M1

q

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6
Q

decreases heart rate and contractility of atria

A

M2

i

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7
Q

increases exocrine gland secretions (e.g., lacrimal, salivary, gastric acid)

increases gut peristalsis

increases bladder contraction

bronchoconstriction

increases pupillary sphincter muscle contraction (miosis), ciliary muscle contraction (accommodation)

A

M3

q

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8
Q

α1

q

A

increases vascular smooth muscle contraction

increases pupillary dilator muscle contraction (mydriasis)

increases intestinal and bladder sphincter muscle contraction

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9
Q

α2

i

A

decreases sympathetic outflow

decreases insulin release

decreases lipolysis

increases platelet aggregation

decreases aqueous humor production

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10
Q

β1

s

A

increases heart rate

increases contractility

increases renin release

increases lipolysis

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11
Q

β2

s

A

Vasodilation

bronchodilation

increases lipolysis,

increases insulin release

decreases uterine tone
(tocolysis)

ciliary muscle relaxation

increases aqueous humor production

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12
Q

M1

q

A

CNS, enteric nervous system

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13
Q

M2

i

A

decreases heart rate and contractility of atria

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14
Q

M3

q

A

increases exocrine gland secretions (e.g., lacrimal, salivary, gastric acid)

increases gut peristalsis

increases bladder contraction

bronchoconstriction

increases pupillary sphincter muscle contraction (miosis), ciliary muscle contraction (accommodation)

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