Autonomic Receptors Flashcards Preview

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Flashcards in Autonomic Receptors Deck (14):
1

increases vascular smooth muscle contraction

increases pupillary dilator muscle contraction (mydriasis)

increases intestinal and bladder sphincter muscle contraction

Receptor and G-Protein class

α1
q

2

decreases sympathetic outflow

decreases insulin release

decreases lipolysis

increases platelet aggregation

decreases aqueous humor production

Receptor and G-Protein class

α2
i

3

increases heart rate

increases contractility

increases renin release

increases lipolysis

β1
s

4

Vasodilation

bronchodilation

increases lipolysis,

increases insulin release

decreases uterine tone
(tocolysis)

ciliary muscle relaxation

increases aqueous humor production

β2
s

5

CNS, enteric nervous system

M1
q

6

decreases heart rate and contractility of atria

M2
i

7

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)

M3
q

8

α1
q

increases vascular smooth muscle contraction

increases pupillary dilator muscle contraction (mydriasis)

increases intestinal and bladder sphincter muscle contraction

9

α2
i

decreases sympathetic outflow

decreases insulin release

decreases lipolysis

increases platelet aggregation

decreases aqueous humor production

10

β1
s

increases heart rate

increases contractility

increases renin release

increases lipolysis

11

β2
s

Vasodilation

bronchodilation

increases lipolysis,

increases insulin release

decreases uterine tone
(tocolysis)

ciliary muscle relaxation

increases aqueous humor production

12

M1
q

CNS, enteric nervous system

13

M2
i

decreases heart rate and contractility of atria

14

M3
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)