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Physiology > Autonomic Nervous System > Flashcards

Autonomic Nervous System Flashcards

1
Q

This receptor plays a role in decreasing GI motility

A

alpha 2, beta 2

decrease GI motility is a sympathetic action

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2
Q

This receptor relaxes the bladder wall

A

beta 2

relaxation of bladder wall is a sympathetic action

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3
Q

Erection is mediated by what receptors?

A

parasympathetic muscarinic receptor

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4
Q

Sweating utilizes ___ as final receptor

A

muscarinic receptor

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5
Q

Cite 3 areas of the body with no parasympathetic innervation

A
  1. Cardiac ventricles
  2. Pregnant uterus
  3. Blood vessels
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6
Q

The Sweat glands, piloerector muscles, and brown adipose tissues (beta 3) is peculiar since it has a sympathetic distribution but the Final NT is ___ and the final receptor is ___

A

Final NT: Ach

Final receptor: muscarinic

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7
Q

All sensations pass through the thalamus except ____

A

Olfaction

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8
Q

The micturition center is found in the ____ (location in the brain)

A

Pons

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9
Q

During exercise, the ___ (VRG, DRG) isactive

A

VRG

Resting RR is DRG

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10
Q

The nerve fiber that is most susceptible to hypoxia is type ____.

A

Type B

Type A = susceptible to pressure
Type C = susceptible to local anesthetics

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11
Q

____ is the NS with 2 motor neuron system

A

ANS

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12
Q

___ system (kind of ANS) capable of mass discharge

A

SNS

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13
Q

____ NS

subject to ANS control but capable of functioning independently

A

Enteric NS

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14
Q

[Enteric NS]

____ plexus plays a role for secretions

A

submucosal plexus

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15
Q

[Enteric NS]

____ plexus plays a role for motility

A

myenteric plexus

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16
Q

[sympathetic/parasympathetic]

prenganglionic is short
longer post ganglionic
Ach to Nn
NE to target organ

A

sympathetic NS

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17
Q

[sympathetic/parasympathetic]

preganglionic is long
post ganglionic is short
Ach to Nn
Ach to Muscarinic receptor

A

parasympathetic

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18
Q

[sympathetic/parasympathetic]

the ganglion is near the target organ

A

parasympathetic

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19
Q

[sympathetic/parasympathetic]

the ganglion is paravertebral

A

symptathetic

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20
Q

[sympathetic/parasympathetic]

preganglion of the adrenal medulla uses ____ NT to release Epi and NE

A

Ach

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21
Q

[sympathetic/parasympathetic]

the sweat glands and piloerector muscle has a ___ action

A

sympathetic

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22
Q

[sympathetic/parasympathetic]

the final NT of sweat glands and piloerector muscle is ____

A

Ach

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23
Q

[sympathetic/parasympathetic]

the final receptor of sweat glands and piloerector muscle is

A

muscarinic receptor

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24
Q

[ANS neurotransmitter]

___ neurons release NE

A

adrenergic

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25
Q

[ANS neurotransmitter]

___ neurons release Ach

A

cholinergic

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26
Q

[ANS neurotransmitter]

___ neurons release substance P, VIP or NO

A

noradrenergic, noncholinergic neurons

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27
Q

[sympathetic/parasympathetic]

mydriasis

A

sympathetic

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28
Q

[sympathetic/parasympathetic]

miosis

A

parasympathetic

29
Q

[sympathetic/parasympathetic]

melatonin synthesis

A

sympathetic

30
Q

cite the organs with no parasympathetic control

A
  1. cardiac ventricles
  2. blood vessels
  3. pregnant uterus
31
Q

[sympathetic/parasympathetic]

GI motility

A

parasympathetic

32
Q

[Adrenoreceptor]

___ uses Gq, increases IP3/CA

A

alpha 1

33
Q

[Adrenoreceptor]

___ uses Gi, decreases cAMP

A

alpha 2

34
Q

[Adrenoreceptor]

___ uses Gs, increases cAMP

A

beta 1

35
Q

[Adrenoreceptor]

___ uses Gs, increases cAMP

A

beta 2

36
Q

[Adrenoreceptor]

used for contraction of smooth muscle

A

alpha 1

37
Q

[Adrenoreceptor]

seen in platelet, fat cells, walls of the GIT

inhibits release of NE, promotes parasympathetic effect

A

alpha 2

38
Q

[Adrenoreceptor]

seen in SA node, AV node, and kidneys

causes excitation

A

beta 1 receptor

39
Q

ANS receptor that are both sympathetic and parasympathetic

A

cholinoreceptor

40
Q

[nicotinic receptor]

____ receptor binds with Ach, opens Na-K channel in the skeletal muscle

A

NM (N1)

both para and sympa

41
Q

[nicotinic receptor]

___ receptor binds with Ach, opens Na-K channel in the autonomic ganglia

A

NN (N2)

both para and sympa

42
Q

[muscarinic receptor]

___ receptor binds with Ach, Gq, increase IP3/Ca in the CNS

A

M1

both para and sympa

43
Q

what are the two types of cholinoreceptor

A

nicotinic and muscarinic

44
Q

[muscarinic receptor]

___ receptor binds with Ach, Gi, decreases cAMP in the heart

A

M2

both para and sympa

45
Q

[muscarinic receptor]

___ receptorwith Ach, Gq, increases IP3/Ca in the glands and smooth muscles

A

M3

both para and sympa

46
Q

[true/false]

somatic cells has no ganglion

A

true

47
Q

[eye]

the radial muscle, iris has no ___ (para/sympa) action

A

para

48
Q

[eye]

the circular sphincter muscle, iris has no ____ (para/sympa) action

A

sympa

49
Q

the receptor which plays a role in blood vessel constriction in skin; plays a role in the splanchnic circulation

A

alpha 1

50
Q

the receptor that dilates blood vessels in skeletal muscle

A

beta 2

51
Q

[parasympathetic/sympathetic]

ejaculation

A

sympathetic

52
Q

[parasympathetic/sympathetic]

erection

A

parasympathetic

53
Q

[parasympathetic/sympathetic]

relaxation of bladder wall
constriction of sphincter

A

sympathetic

54
Q

[parasympathetic/sympathetic]

___ receptor used for
contraction of bladder wall
and relaxation of sphincter

A

M3

Parasympathetic

55
Q

[parasympathetic/sympathetic]

___ receptor used for sweating (in sweat glands)

A

M (sympathetic cholinergic receptor)

56
Q

___ cranial nerves utilized by the parasympathetic NS

A

CN 9 10 7 3

57
Q

____ are micrated neural cell that secrete Epi and NE

A

chromaffin cells in the adrenal medulla

58
Q

Organs with sympathetic distribution but final NT is Ach and final receptor is Muscarinic

A
  1. Sweat glands
  2. Piloerector muscle
  3. brown adipose
59
Q

[determine the area of the brain]

motor, calculation, judgement

A

frontal

60
Q

[determine the area of the brain]

somatosensory

A

parietal

61
Q

[determine the area of the brain]

vision

A

occipital

62
Q

[determine the area of the brain]

hearing

A

temporal

63
Q

[determine the area of the brain]

emotions

A

limbic

64
Q

[determine the area of the brain]

thirst, temp

A

hypothalamus

65
Q

[determine the area of the brain]

vasomotor, vomiting

A

medulla

66
Q

[determine the area of the brain]

micturition, pneumotaxic, apneustic

A

pons

67
Q

[determine the area of the brain]

relay center for almost all sensation, memory recall

A

thalamus

68
Q

[true or false]

olfaction doesnt pass to the thalamus

A

true

Physiology (47 decks)

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