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Unit 1 Pharm II > ANS receptors/neurotransmitters > Flashcards

ANS receptors/neurotransmitters Flashcards

1
Q

cause increase in production of aqueous humor, increasing intraocular pressure

A

beta receptors

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2
Q

constrict blood vessels in the skin and skeletal muscle

A

a1 receptors

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3
Q

promote ejaculation

A

a1 receptors

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4
Q

alpha and beta receptors bind

A

norepinephrine

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5
Q

alpha 1 acts on

A

Gq

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6
Q

increased salivary and lacrimal gland secretions

A

M1 and M3 receptors

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7
Q

Gq pathway

A

activates phospholipase C, producing IP3 and DAG, which causes Ca++ increase and activation of protein kinases

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8
Q

nicotinic subtype found on postganglionic neurons and presynaptic terminals

A

Nn

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9
Q

relax the bronchioles

A

B2 receptors

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10
Q

contract the urinary sphincter

A

a1 receptors

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11
Q

D1 pathway

A

stimulates adenylyl cyclase

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12
Q

voluntary motor neurons are:

A

cholinergic

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13
Q

most post-ganglionic sympathetic neurons are

A

noradrenergic

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14
Q

nerves innervating the adrenal medulla are

A

cholinergic

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15
Q

post-ganglionic sympathetics to renal vasculature release

A

dopamine

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16
Q

promote erection

A

M3 receptors

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17
Q

most post-ganglionic sympathetic neurons release

A

norepinephrine

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18
Q

all pre-ganglionic receptors are

A

nicotinic

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19
Q

accommodation of the lens for near vision

A

M3 receptors

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20
Q

nicotinic subtype found at neuromuscular junction of skeletal muscle

A

Nm

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21
Q

voluntary motor neurons release

A

acetylcholine

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22
Q

decreases ocular pressure by unknown mechanism

A

alpha receptors

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23
Q

Relax sphincters allowing for defecation

A

M3 receptors

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24
Q

the adrenal cortex releases

A

epinephrine and norepinephrine

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25
Q

post-ganglionic sympathetic receptors on renal vasculature are

A

D1

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26
Q

nerves innervating the adrenal medulla release

A

acetylcholine

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27
Q

all beta receptors act on

A

Gs

28
Q

all post-ganglionic parasympathetic receptors are

A

muscarinic

29
Q

most post-ganglionic sympathetic receptors are

A

alpha or beta

30
Q

M1 acts on

A

Gq

31
Q

cause bronchoconstriction and increase mucous secretion in the lung

A

M3 receptors

32
Q

M3 acts on

A

Gq

33
Q

post-ganglionic sympathetic neurons innervating sweat glands are

A

cholinergic

34
Q

somatic skeletal muscle receptors are

A

nicotinic

35
Q

muscarinic receptors bind

A

acetylcholine

36
Q

relax base of bladder and urinary sphincter

A

M3 receptors

37
Q

increase heart rate, AV conduction, and contractility

A

B1, some B2 receptors

38
Q

constriction of nasal blood vessels, decreasing congestion

A

a1 receptors

39
Q

presynaptic receptors on cholinergic nerve terminals that decrease ACh release

A

M2 receptors

40
Q

relax blood vessels in skeletal muscle

A

B2 receptors

41
Q

slow the heart, decrease SA node activity, and AV conduction

A

M2 receptors

42
Q

post-ganglionic sympathetic neurons innervating sweat glands release

A

acetylcholine

43
Q

cause miosis

A

M3 receptors

44
Q

all pre-ganglionic neurons are

A

cholinergic

45
Q

baroreceptor response for reflex bradycardia is mediated by

A

M2 receptors

46
Q

relax the pregnant uterus

A

B2 receptors

47
Q

nicotinic receptors bind

A

acetylcholine

48
Q

increases gastric acid secretions, stimulate contraction of GI tract wall, increase motility

A

M3 receptors

49
Q

alpha 2 acts on

A

Gi

50
Q

Gi pathway

A

inhibits adenylyl cyclase, decreasing cAMP. opens K+ channels→ hyperpolarizing neurons

51
Q

post-ganglionic sympathetic receptors on sweat glands are

A

muscarinic

52
Q

increase activity of apocrine and salivary glands

A

a1 receptors

53
Q

cholinergic neurons release

A

acetlycholine

54
Q

all pre-ganglionic neurons release

A

acetylcholine

55
Q

relax walls of GI tract

A

a2 and B2 receptors

56
Q

Gs pathway

A

stimulate adenylyl cyclase to increase cAMP

57
Q

contraction of the ciliary muscle and constriction of the pupil by __________ widens space in trabecular meshwork and allows aqueous humor to drain

A

parasympathetic stimulation (M3)

58
Q

contract bladder wall

A

M3 receptors

59
Q

all receptors in ganglion

A

nicotinic

60
Q

relax the urinary bladder

A

B3 receptors

61
Q

all post-ganglionic parasympathetic neurons are

A

cholinergic

62
Q

increase sweating

A

M3 sympathetic receptors

63
Q

presynaptic receptors on noradrenergic nerve terminals that decrease norepinephrine release

A

a2 receptors

64
Q

M2 acts on

A

Gi

65
Q

receptors in the adrenal medulla

A

nicotinic

66
Q

mydriasis

A

a1 receptors

Unit 1 Pharm II (18 decks)

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