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Neuro - Week 2 > Cranial Nerve Nuclei > Flashcards

Cranial Nerve Nuclei Flashcards

1
Q

How many nuclei does CN III have?

A

2
Motor (GSE) and Edinger-Westphal (GVE)

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2
Q

How many nuclei does CN IV have?

A

1: Motor (GSE)

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3
Q

How many nuclei does CN VI have?

A

1: Motor (GSE)

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4
Q

How many nuclei does CN V have?

A

4
Motor (SVE)
Principal sensory (GSA)
Mesencephalic (GSA)
Spinal (GSA)

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5
Q

How many nuclei does CN VII have?

A

4
Motor (SVE)
Superior salivatory (GVE)
Rostral NTS (SVA)
Spinal (GSA)

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6
Q

How many nuclei does CN IX have?

A

5
Ambiguus (SVE)
Rostral NTS (SVA)
Caudal NTS (GVA)
Spinal (GSA)
Inferior salivatory (GVE)

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7
Q

How many nuclei does CN X have?

A

5
Ambiguus (SVE)
Rostral NTS (SVA)
Caudal NTS (GVA)
Spinal (GSA)
Dorsal nucleus (GVE)

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8
Q

How many nuclei does CN XI have?

A

1: Motor (SVE)

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9
Q

How many nuclei does CN XII have?

A

1: Motor (GSE)

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10
Q

Which cranial nerve has the Einger-Westphal (GVE) nucleus?

A

CN III

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11
Q

Which cranial nerve has the Mesencephalic nucleus (GSA)?

A

CN V

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12
Q

Which cranial nerve has the Superior salivatory nucleus (GVE)?

A

CN VII

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13
Q

Which cranial nerves have the Rostral NTS nucleus (SVA)?

A

CN VII, IX and X

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14
Q

Which cranial nerve has the inferior salivatory nucleus (GVE)?

A

CN IX

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15
Q

Which cranial nerve has the Caudal NTS nucleus (GVA)?

A

CN IX and X

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16
Q

Which cranial nerves have the Ambiguus nucleus (SVE)?

A

CN IX and X

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17
Q

Which cranial nerve has the Dorsal nucleus (GVE)?

A

CN X

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18
Q

Where is CN III located?

A

Midbrain - level of superior colliculi; Paramedian

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19
Q

Where is CN IV located?

A

Midbrain - level of inferior colliculi; Paramedian

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20
Q

Where is CN VI located?

A

Caudal pons; paramedian

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21
Q

Where is CN V located?

A

Rostral pons

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22
Q

Where is CN VII located?

A

Caudal pons

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23
Q

Where is CN IX located?

A

Medulla

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24
Q

Where is CN X located?

A

Medulla

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25
Q

Where is CN XI located?

A

Spinal cord C1-5

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26
Q

Where is CN XII located?

A

Medulla; paramedian

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27
Q

Which cranial nerve is located in the spinal cord, C1-5?

A

CN XI

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28
Q

What is the vascular supply to CN III?

A

Paramedian branches of basilar artery; P1

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29
Q

What is the vascular supply to CN IV?

A

Paramedian branches of basilar artery; P1

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30
Q

What is the vascular supply to CN VI?

A

Paramedian branches of basilar artery

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31
Q

What is the vascular supply to CN V?

A

Long circumferential branches of basilar artery
AICA

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32
Q

What is the vascular supply to CN VII?

A

Long circumferential branches of basilar artery
AICA

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33
Q

What is the vascular supply to CN IX?

A

PICA

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34
Q

What is the vascular supply to CN X?

A

PICA

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35
Q

What is the vascular supply to CN XI?

A

Anterior spinal artery

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36
Q

What is the vascular supply to CN XII?

A

Anterior spinal artery

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37
Q

Which cranial nerve and nucleus supplies all extraocular muscles except SO and LR?

A

Motor (GSE) of CN III

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38
Q

Which cranial nerve and nucleus supplies sphincter pupillae and ciliary muscles?

A

Edinger-Westphal (GVE) of CN III

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39
Q

Which cranial nerve and nucleus supplies SO (superior oblique) muscle?

A

Motor (GSE) of IV

40
Q

Which cranial nerve and nucleus supplies the ipsilateral lateral rectus muscle, and contralateral medial rectus muscle via MLF (Medial longitudinal fasciculus)?

A

Motor (GSE) of CN VI

41
Q

Which cranial nerve and nucleus supplies muscles of mastication, tensor tympani, tensor veli palatini, anterior belly of digastric, mylohyoid?

A

Motor (SVE) of CN V

42
Q

Which cranial nerve and nucleus supplies discriminative touch, vibration, and proprioceptive (conscious) sense from ipsilateral face?

A

Principal sensory (GSA) of CN V

43
Q

Which cranial nerve and nucleus supplies proprioceptive (unconscious) sense from ipsilateral TMJ and muscles of mastication?

A

Mesencephalic (GSA) of CN V

44
Q

Which cranial nerve and nucleus supplies pain and temperature sense from ipsilateral face?

A

Spinal (GSA) of CN V

45
Q

Which cranial nerve and nucleus supplies muscles of facial expression?

A

Motor (SVE) of CN VII

46
Q

Which cranial nerve and nucleus supplies lacrimal gland, submandibular and sublingual salivary glands, nasal and palatine glands?

A

Superior salivatory (GVE) or CN VII

47
Q

Which cranial nerve and nucleus supplies taste sensation to anterior 2/3 of tongue?

A

Rostral NTS (SVA) of CN VII

48
Q

Which cranial nerve and nucleus supplies the stylopharyngeus muscle?

A

Ambiguus (SVE) of CN IX

49
Q

Which cranial nerve and nucleus supplies taste sensation from posterior third of tongue?

A

Rostral NTS (SVA) of CN IX

50
Q

Which cranial nerve and nucleus supplies carotid sinus baroreceptor and carotid body chemoreceptor?

A

Caudal NTS (GVA) of CN IX

51
Q

Which cranial nerve and nucleus supplies tympanic cavity, auditory tube, posterior third of tongue, palate, palatine tonsil, etc?

A

Spinal (GSA) of CN IX

52
Q

Which cranial nerve and nucleus supplies ipsilateral parotid glands?

A

Inferior salivatory (GVE) of CN IX

53
Q

Which cranial nerve and nucleus supplies pharyngeal arch muscles of larynx and pharynx, musculus uvulae, levator veli palatini, palatoglossus?

A

Ambiguus (SVE) of CN X

54
Q

Which cranial nerve and nucleus supplies taste sensation from epiglottis and soft palate?

A

Rostral NTS (SVA) of CN X

55
Q

Which cranial nerve and nucleus supplies aortic arch baroreceptor and aortic body chemoreceptor?

A

Caudal NTS (GVA) of CN X

56
Q

Which cranial nerve and nucleus supplies infratentorial dura, tympanic membrane, etc?

A

Spinal (GSA) of CN X

57
Q

Which cranial nerve and nucleus supplies viscera of neck, thorax, and abdomen?

A

Dorsal nucleus (GVE) of CN X

58
Q

Which cranial nerve and nucleus supplies all muscles of tongue except palatoglossus?

A

Motor (GSE) of CN XII

59
Q

This nuclear lesion causes ipsilateral eye ‘down and out’; variable ptosis

A

Motor (GSE) of CN III

60
Q

This nuclear lesion causes ipsilateral mydriasis and loss of accommodation

A

Edinger-Westphal (GVE) of CN III

61
Q

This nuclear lesion causes contralateral vertical diplopia; eye ‘up and in’

A

Motor (GSE) of CN IV

62
Q

This nuclear lesion causes ipsilateral conjugate horizontal gaze palsy

A

Motor (GSE) of CN VI

63
Q

This nuclear lesion causes difficulty in chewing and loss of jaw jerk (efferent arc)
Jaw deviates to side of lesion
Hypacusis

A

Motor (SVE) of CN V

64
Q

This nuclear lesion causes hemianesthesia of ipsilateral face, loss of bilateral corneal reflex (afferent arc)

A

Principal sensory (GSA) of CN V

65
Q

This nuclear lesion causes loss of unconscious proprioception from ipsilateral face
Loss of jaw jerk (afferent arc)

A

Mesencephalic (GSA) of CN V

66
Q

This nuclear lesion causes hemianesthesia of ipsilateral face

A

Spinal (GSA) of CN V

67
Q

This nuclear lesion causes hemiparesis of ipsilateral face, hyperacusis, and loss of unilateral corneal reflex (efferent arc)

A

Motor (SVE) of CN VII

68
Q

This nuclear lesion causes ipsilateral loss of lacrimation, salivation, and mucus secretion

A

Superior salivatory (GVE) of CN VII

69
Q

This nuclear lesion causes loss of taste

A

Rostral NTS (SVA) of CNs VII, IX, and X

70
Q

This nuclear lesion causes decreased salivation

A

Inferior salivatory (GVE) of CN IX

71
Q

This nuclear lesion causes dysphagia, dysarthria, ipsilateral vocal cord palsy, hoarseness of voice
Loss of GAG reflex (efferent arc), contralateral palatal elevation and uvular deviation on phonation (say ‘ah’)

A

Ambiguus (SVE) of CN IX and X

72
Q

This nuclear lesion causes loss of baroreceptor and chemoreceptor reflexes (afferent arcs)

A

Caudal NTS (GVA) of CN X

73
Q

This nuclear lesion causes bradycardia, bronchoconstriction, and decreased peristalsis

A

Dorsal nucleus (GVE) of CN X

74
Q

This nuclear lesion causes inability to shrug ipsilateral shoulder or rotate head to contralateral side

A

Motor (SVE) of CN XI

75
Q

This nuclear lesion causes fasciculation and atrophy of tongue; deviates toward side of lesion

A

Motor (GSE) of CN XII

76
Q

What does the Edinger-Westphal nucleus of CN III supply?

A

Sphincter pupillae and ciliary muscles

77
Q

The motor nucleus of CN VI supplies these two muscles

A

Ipsilateral lateral rectus muscle
Contralateral middle rectus muscle via medial longitudinal fasciculus

78
Q

The motor nucleus of CN VI supplies the ipsilateral lateral rectus muscle, and the contralateral middle rectus muscle via this

A

Medial longitudinal fasciculus

79
Q

What structures does the superior salivatory nucleus of CN VII supply?

A

Lacrimal gland
Submandibular and sublingual salivary glands
Nasal and palatine glands

80
Q

What does the rostral NTS nucleus of CN VII supply?

A

Taste sensation to anterior 2/3 of tongue

81
Q

What does the Ambiguus nucleus of CN IX supply?

A

Stylopharyngeus muscle

82
Q

What does the Rostral NTS nucleus of CN IX supply?

A

Taste sensation from posterior 1/3 of tongue

83
Q

What does the Caudal NTS nucleus of CN IX supply?

A

Carotid sinus baroreceptor and Carotid body chemoreceptor

84
Q

What does the inferior salivatory nucleus of CN IX supply?

A

Ipsilateral parotid glands

85
Q

What does the rostral nucleus of CN X supply?

A

Taste sensation from epiglottis and soft palate

86
Q

What does the Caudal NTS nucleus of CN X supply?

A

Aortic arch baroreceptor and Aortic body chemoreceptor

87
Q

Does the Caudal NTS nucleus of CN IX or X provide sensation for carotid sinus baroreceptor and carotid body chemoreceptor?

88
Q

Does the Caudal NTS nucleus of CN IX or X provide sensation for aortic arch baroreceptor and aortic body chemoreceptor?

89
Q

What does the motor nucleus of CN XII supply?

A

All muscles of the tongue except palatoglossus

90
Q

Ipsilateral deviation of the jaw occurs with lesion to this CN and nucleus

A

Motor nucleus of CN V

91
Q

Hypacusis can result from a lesion to this CN lesion

A

Motor nucleus of CN V

92
Q

What nucleus provides the afferent arc for the jaw jerk?

A

Mesencaphalic nucleus of CN V

93
Q

Hyperacusis may result from lesion to this CN nucleus

A

Motor nucleus of CN VII

94
Q

What CN nucleus provides the afferent arc for the GAG reflex?

A

Caudal NTS of CN IX

95
Q

What CN nucleus provides the efferent arc for the GAG reflex?

A

Nucleus ambiguus (of CN IX and X)

96
Q

Lesion to this CN nucleus causes bradycardia, bronchoconstriction, and decreased peristalsis

A

Dorsal nucleus of CN X

97
Q

Ipsilateral tongue deviation occurs with lesion to this CN nucleus

A

Motor nucleus of CN XII

Neuro - Week 2 (10 decks)

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