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Neuroanatomy > Brainstem pwp1 > Flashcards

Brainstem pwp1 Flashcards

1
Q 
GSA
GVA
GVE
GSE
are found all in the spinal cord or cranial nerves?
A

spinal cord

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2
Q

what is dose the sulcus limitans seperate?

A

the efferent fibers from the afferent

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3
Q

How many functional components (GSE, etc.) are found in the spinal cord?

A

4

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4
Q

how many Functional Components of Cranial Nerves?

A

7

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5
Q

GSE in the midbrain

A

3 and 4

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6
Q

GSE in the pons

A

6

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7
Q

GSE in the medulla

A

7

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8
Q

GVE for the midbrain?

A

3

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9
Q

SVE for the pons?

A

v and VII

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10
Q

GVE for the pons?

A

7

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11
Q

SVE for the medulla

A

9,10,11

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12
Q

GVE for the medulla?

A

9, 10

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13
Q

CN 1 functional components?

A

SVA for sense of smell

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14
Q

CN 2 functional component?

A

SSA

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15
Q

CN 3 functional component?

A

GSE and GVE

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16
Q

cn 4 functional component?

A

GSE

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17
Q

CN5 functional component?

A

GSA and SVE

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18
Q

CN 6 functional component?

A

GSE

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19
Q

CN 7 functional component?

A

GSA, GVA, GVE, SVE, SVA

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20
Q

CN 8 functional component?

A

SSA

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21
Q

CN 9 functional component?

A

GSA. GVA, GVE, SVE, SVA

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22
Q

CN 10 functional component?

A

SVE

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23
Q

CN 11 functional component?

A

GSA. GVA, GVE, SVE, SVA

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24
Q

CN 12 functional component?

A

GSE

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25
Q

what develops from the basal plate?

A

motor columns of the nuclei during embryonic development

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26
Q

GSE cell bodies are derived from?

A

cephalic myotomes

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27
Q

1st brachial arch is known as the

A

mandibular arch

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28
Q

mandibular arch gives rise to what cn and action?

A 
Mandibular Nerve (from CN V)
Muscles of Mastication
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29
Q

2nd brachial arch is known as

A

hyoid arch

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30
Q

hyoid arch gives rise to what cn and muscles??

A 
Facial Nerve (from CNVII)
Muscles of facial expression
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31
Q

3rd brachial arch is known as

A

no name

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32
Q

3rd brachial arch gives rise what?

A

Glossopharyngeal (CN IX)

Stylopharyngeus (swallowing)

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33
Q

brachial arches 4 and 6 are respnsibel for which CN and muscles?

A 
Vagus Nerve (CN X)
Muscles of the larynx, pharynx and palate (swallowing and talking)
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34
Q

are GVE preganglionic parasympathetic or sympathetic?

A

preganglionic parasympathetic

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35
Q

GVE has what parasympathetic nuclei?

A
  1. Edinger-Westphal Nucleus (midbrain)
  2. . Superior Salivatory Nucleus (pons)
  3. Inferior Salivatory Nucleus (medulla)
  4. Dorsal Motor Nucleus of vagus (DMNX, medulla)
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36
Q

Superior Salivatory Nucleus (pons) goes with which CN to supply which glands?

A

Parasympathetic nucleus of CN VII
•
Supplies the Submandibular, Sublingual, Lacrimal, Nasal and Palatine glands

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37
Q

GVE Parasympathetic Nuclei for which CN’s

A

3,7,9,10

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38
Q

Inferior Salivatory Nucleus (medulla) supplies which gland via which CN?

A

parotid via CN 9

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39
Q

Dorsal Motor Nucleus of vagus (DMNX, medulla)

is parasympathetic for which CN?

A

CN 10

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40
Q

which nuclei is autonomic ganglia of the thorax and the abdomen

A

Dorsal Motor Nucleus of vagus (DMNX, medulla)

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41
Q

SVE nuclei supply what?

A

skeletal muscles derived from brachial arches

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42
Q

CN’s with SVE nuclei

A

5,7,8,9,10

43
Q

Sensory columns in the brainstem are derived from what plate embryologically?

A

alar plate

44
Q

Alar plate involves the communication between which structures?

A

general somatic and general visceral sensory

45
Q

which CN’s are GVA of sensory for pain from viscera?

A

facial, glossopharyngeal and vagus

46
Q

Which CN’s are SVA for taste?

A

7, 9,10

47
Q

which CN’s are GSA for brainstem?

A

CN V

48
Q

which CN’s are SSA for hearing and balance in the brainstem

A

CN VIII

49
Q

Olivary Nuclear Complex

function?

A

associated with control of voluntary motor movement

50
Q

Olivary Nuclear Complex is located in which portion of the brainstem?

A

medulla oblongata

51
Q

which part of the Olivary Nuclear Complex is the largest?

A

inferior olivary nucleus

52
Q

which portion of the Olivary Nuclear Complex is visible from the ventral surface of the brainsstem?

A

inferior olivary nucleus as the olive

53
Q

Cortico-olivary fibers run between what two structures?

A

motor cortex to the inferior olivary nucleus

54
Q

Spino-olivary fibers run between what two structures?

A

the spinal cord to the inferior olivary nucleus

55
Q

Olivocerebellar fibers run run between what two structures?

A

from the inferior olivary nucleus to the cerebellum

56
Q

which portion of the olivo-cerebellar system is mainly involved in the cerebellar motor learning and function

A

inferior olivary nucleus

57
Q

which system makes up most of the fibers in the Inferior cerebellar peduncle?

A

olivocerebellar system

58
Q

Damage to olivocerebellar system makes a person unable to do whay?

A

learn and their motor responses are no longer plastic

59
Q

what are climbing fibers?

A

the fibers that are projected from the inferior olivary nucleus to the pons and then through the ICP ti synapse onto the deeps cerebellar nuclei

60
Q

reticular formation lateral zone is responsible for what?

A

integrates reflex connections between sensory and motor cranial nerve nuclei

61
Q

reticular formation medial zone has fibers that project to what?

A

spinal cord (reticulospinal tracts), to cerebellum, hypothalamus and cerebral cortex

62
Q

The midline zone known as (Raphe nuclei): released what neurotransmitter in response to pain

A

pain –> serotonin

63
Q 
Reticular Formation (RF)
Main functions of reticular formation are:
A
  • processing of pain
  • visceral functions
  • posture and muscle tone
  • alert
  • arousal
  • sleep
  • regulations of awareness
64
Q

Damage to the reticular formation will cause what?

A

put a person in coma

65
Q

why would the reticular formation contain respiratory and cardiac regions?

A

they are associated in keeping the person alert

66
Q

ARAS stand for?

A

ascending reticular activating system

67
Q

which system is responsible for jolting you awake when you fall asleep?

A

ARAS

68
Q

hypothalmic functions?

A

homeostasis
controls visceral activity
hunger, thirst
water balance

69
Q

CN’s of the medulla?

A

Hypoglossal (CN XII)
Accessory (CN XI)
Vagus (CN X)
Glossopharyngeal (CN IX)

70
Q

Hypoglossal – Cranial Nerve XII

Function

A

– GSE fibers to muscles of tongue (motor) EXCEPT palatoglossus

71
Q

origin of CN 9

A

in the floor of the 4th vetnricle

72
Q

pathway of CN 9

A

Nerve exits the medulla between the olive and pyramid

73
Q

Accessory – Cranial Nerve XI Function –

A

SVE and GSE fibers from two roots

74
Q

two roots of the CN 11?

A

cranial root (SVE) and the Spinal root (GSE)

75
Q

Cranial root of CN 11 is from what structure?

A

nucleus ambiguous located in the RF of the medulla

76
Q

Cranial root (SVE) supplies what

A

larynx, pharynx, and soft palate

77
Q

spinal root (GSE) is from where?

A

the ventral horns of C1-C5

78
Q

spinal root of CN 11 supplies what?

A

Trapezius and the SCM

79
Q

the pathway of the spinal root of CN 11?

A

enters through foramen magnum –> exits through the jugular foramen

80
Q

Lesion to CN XI:

will represent how?

A

Fails to shrug the shoulders, 2. Fails to raise arm above horizontal and 3. Can not turn the face to opposite side.

81
Q

CN 10 5 functional components?

A

SVA, GSA, GVE, SVE, GVA

82
Q

SVA for CN 10

A

taste and sensation from the epiglottis

83
Q

CN 10 GVA

A

sensation from the thoracic and the abdominal viscera

84
Q

CN 10 SVE

A

motor to the muscles of larynx, pharynx and palate that develop from the 4th and 6th brachial arches

85
Q

GVE of CN 10

A

preganglionic parasympathetic to thoracic & abdominal viscera (contraction of smooth muscles and secretion from glands)

86
Q

GSA for CN 10

A

from the auricle

87
Q

Origin of CN 10 SVA neurons?

A

neurons are located in inferior sensory ganglion of vagus

88
Q

Origin of CN 10 GVA neurons?

A

neurons are located in superior sensory ganglion of vagus

89
Q

Origin of CN 10 SVE neurons?

A

middle part of the nucleus ambiguus

90
Q

Origin of CN 10 GVE neurons?

A

– DMNX (parasympathetic)

91
Q

Origin of CN 10 GSA neurons?

A

neurons are located in superior sensory ganglia of vagus and project to spinal nucleus of trigeminal nerve

92
Q

which functional component of CN IX will signal a sore through?

A

GVA from the oropharynx, platine tonsils

93
Q

Which functional component of CN IX will sense taste?

A

SVA

94
Q

Which CN is responsible for taste of the posterior 1/3 of the tongue?

A

CN IX

95
Q

GVA for the gag reflex is from which CN?

A

CN IX

96
Q

which CN is responsibl efor signaling otitis media?

A

CN IX

97
Q

which functional component of CN IX is responsible for tympanic cavity?

A

GVA

98
Q

which CN is responsible for the afferent part of carotid sinus?

A

CN IX

99
Q

Which CN is responsible for the efferent part of the carotid sinus?

A

CN X

100
Q

Which CN is responsible for the sensation to the carotid body and sinus?

A

CN IX

101
Q

SVE of CN IX

A

– motor supply of stylopharyngeus muscle (swallowing)

102
Q

GVE of CN IX supplies?

A

parotid

103
Q

Pathway of GVE stimulation of parotid glands?

A

Inf salivatory nuc&raquo_space;tympanic n >lesser petrosal n > otic ganglion > parotid gland (through auriculotemporal nerve)

104
Q

lesion of CN IX will represent as?

A

difficulty swallowing, impariement of taste and sensation of the posterior 1/3 of the tongue, palate, pharynx. absent gag relfex, and dry mouth

Neuroanatomy (11 decks)

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