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Clinical Anatomy I > Cranial Nerve Spreadsheet > Flashcards

Cranial Nerve Spreadsheet Flashcards

1
Q

CNS origin of CN I, olfactory?

A

Forebrain (telencephalon)

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2
Q

Cells of origin of CN I, olfactory?

A

Nasal mucosa

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3
Q

Opening from skull for CN I, olfactory?

A

Cribriform foramina

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4
Q

Ganglion/main central connection of CN I, olfactory?

A

Olfactory bulb/medial temporal lobe

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5
Q

Axon function of CN I, olfactory?

A

Sensory (smell)

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6
Q

Distribution of CN I, olfactory?

A

Olfactory mucosa of nose

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7
Q

Lesions/signs for CN I, olfactory?

A

Anosmia

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8
Q

CN I, olfactory is tested by?

A

Pungent odor

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9
Q

CNS origin of CN II, optic?

A

Forebrain (diencephalon)

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10
Q

Cells of origin of CN II, optic?

A

Ganglion cells retina

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11
Q

Opening from skull for CN II, optic?

A

Optic canal?

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12
Q

Ganglion/main central connection of CN II, optic?

A

Lateral genticulate nucleus

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13
Q

Primary branch(es) of CN II, optic?

A

Optic chiasm & tract

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14
Q

Axon functions of CN II, optic?

A

Sensory (vision)

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15
Q

Distribution of CN II, optic?

A

Retina of the eye

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16
Q

Lesions/signs for CN II, optic

A

Unilateral blindness (n.), bitemporal hemianopsia (chiasm), homonymous hemianopsia (tract).

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17
Q

CNS origin of CN III, oculomotor?

A

Midbrain

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18
Q

Cells of origin for superior ramus of CN III, oculomotor?

A

Oculomotor nucleus

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19
Q

Exit from skull for CN III, oculomotor?

A

Superior orbital fissure

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20
Q

Ganglion for inferior ramus of CN III, oculomotor?

A

Ciliary

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21
Q

Primary branch(es) of CN III, oculomotor?

A

Superior and inferior rami (via short ciliary)

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22
Q

Axon functions of superior ramus of CN III, oculomotor?

A

Motor

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23
Q

Axon functions of inferior ramus of CN III, oculomotor?

A

Preganglionic parasympathetic

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24
Q

Distribution of motor axons of CN III, oculomotor?

A

(superior ramus)
- Levator Palpebrae Superioris
- Superior Rectus
(inferior ramus)
- Medial Rectus
- Inferior Rectus
- Inferior Oblique

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25
Q

Distribution of preganglionic parasympathetic axons of CN III, oculomotor?

A

Ciliary bodies/muscle, sphincter papillae of iris (constriction)

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26
Q

Lesion/signs of CN III, oculomotor (motor)?

A

Ptosis

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27
Q

Lesion/signs of CN III oculomotor (pre-para)?

A

No pupillary reflex, mydriasis

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28
Q

Postganglionic sympathetic origin of CN III, oculomotor?

A

Cavernous sinus

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29
Q

CNS origin of CN IV, trochlear?

A

Midbrain

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30
Q

Cells of origin of CN IV, trochlear?

A

Trochlear nucleus (contralateral)

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31
Q

Exit from skull for CN IV, trochlear?

A

Superior orbital fissure

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32
Q

Axon functions of CN IV, trochlear?

A

Motor

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33
Q

Distribution of CN IV, trochlear?

A

Superior oblique

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34
Q

Lesions/signs for CN IV, trochlear?

A

Diplopia

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35
Q

Postganglionic sympathetic origin of CN IV, trochlear?

A

Cavernous Sinus

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36
Q

CNS level of CN V, trigeminal?

A

Pons

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37
Q

Cells of origin of CN V, trigeminal?

A

Trigeminal ganglion (trigeminal motor for mandibular branchial motor)

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38
Q

Exit from skull for CN V, trigeminal (ophthalmic)?

A

Superior orbital fissure

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39
Q

Exit from skull for CN V, trigeminal (maxillary)?

A

Foramen rotundum

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40
Q

Exit from skull for CN V, trigeminal (mandibular)?

A

Foramen ovale

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41
Q

Ganglion/main central connection for CN V, trigeminal?

A

Trigeminal sensory nucleus (excludes mandibular branchial motor)

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42
Q

Primary branches of CN V, trigeminal (ophthalmic)

A

Lacrimal, nasociliary, frontal

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43
Q

Primary branches of CN V, trigeminal (maxillary)

A

Infraorbital, pterygopalatine brr.

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44
Q

Primary branches of CN V, trigeminal (mandibular branchial motor)

A

Inf. alveolar, deep temporal, masseteric, pterygoids.

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45
Q

Primary branches of CN V, trigeminal (mandibular sensory)

A

Inf. alveolar, lingual, auriculotemporal

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46
Q

Axon functions of CN V, trigeminal?

A

All sensory except mandibular has branchial motor function

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47
Q

Distribution of CN V, trigeminal (ophthalmic)?

A

Skin, lacrimal gland, nasal cavity, conjunctiva, cornea

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48
Q

Distribution of CN V, trigeminal (maxillary)?

A

Skin mid face, teeth, mucous membranes, upper mouth palate, nasopharynx.

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49
Q

Distribution of CN V, trigeminal (mandibular branchial motor)?

A

Mastication mm, mylohyoid, ant. digastric, tensor tympani, tensor veli palatini (1st pharyngeal arch).

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50
Q

Distribution of CN V, trigeminal (mandibular sensory)?

A

Skin low face, tongue, mouth, mandibular teeth, ear.

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51
Q

Lesions/signs for CN V, trigeminal (ophthalmic)?

A

No blink (corneal) reflex, facial hemianesthesia

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52
Q

Lesions/signs for CN V, trigeminal (maxillary)?

A

Facial hemianesthesia

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53
Q

Lesions/signs for CN V, trigeminal (mandibular branchial motor)?

A

Jaw weakness, ipsilateral deviation of opened jaw.

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54
Q

Lesions/signs for CN V, trigeminal (mandibular sensory)?

A

Facial hemianesthesia

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55
Q

Postganglionic sympathetic origin for CN V, trigeminal (ophthalmic)?

A

Cavernous sinus

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56
Q

Postganglionic sympathetic origin for CN V, trigeminal (maxillary)?

A

Cavernous sinus, deep petrosal, external carotid plexus

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57
Q

Postganglionic sympathetic origin for CN V, trigeminal (mandibular)?

A

External carotid plexus

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58
Q

CNS origin of CN VI, abducens?

A

Pons

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59
Q

Cells of origin for CN VI, abducens?

A

Abducens

60
Q

Exit from skull for CN VI, abducens?

A

Superior orbital fissure

61
Q

Axon functions of CN VI, abducens?

A

Motor

62
Q

Distribution of CN VI, abducens?

A

Lateral rectus

63
Q

Lesions/signs for CN VI, abducens?

A

Diplopia, medial eye drift

64
Q

Postganglionic sympathetic origin of CN IV, abducens?

A

Cavernous sinus

65
Q

CNS origin of CN VII, facial?

A

Pons

66
Q

Cells of origin for branchial motor part of CN VII, facial?

A

Facial motor nucleus

67
Q

Cells of origin for pre-para part of CN VII, facial?

A

Superior salivary nucleus

68
Q

Cells of origin for sensory part of CN VII, facial?

A

Genticulate ganglion

69
Q

Exit from skull for motor part of CN VII, facial?

A

Internal Auditory Meatus, stylomastoid f.

70
Q

Exit from skull for pre-para/sensory part of CN VII, facial?

A

Internal Auditory Meatus

71
Q

Ganglia for CN VII, facial (pre-para)?

A

Pterygopalatine, submandibular

72
Q

Ganglia for CN VII, facial (sensory)

A

Trigeminal Sensory nucleus

73
Q

Ganglia for CN VII, facial (taste)

A

Nucleus solitarius

74
Q

Primary branch of motor part of CN VII, facial?

A

Main root

75
Q

Primary branch of pre-para part of CN VII, facial?

A

Chorda tympani

76
Q

Primary branch of sensory part of CN VII, facial?

A

Palatine, posterior ear

77
Q

Primary branch of taste part of CN VII, facial?

A

Lingual via chords tympani

78
Q

Axon functions (4) of CN VII, facial?

A

Branchial motor, pre-para, sensory, taste.

79
Q

Distribution of motor part of CN VII, facial?

A

Mm. of facial expression, stapedius, post.digastric, stylohyoid (2nd pharyngeal arch)

80
Q

Distribution of pre-para part of CN VII, facial?

A

Lacrimal and mucosa glands of nasal cavity, paranasal sinuses, roof of mouth, soft palate, nasopharynx.

81
Q

Distribution of sensory part of CN VII, facial?

A

Palate, skin of posterior ear, External Auditory Meatus, tympanic membrane, facial proprioception

82
Q

Distribution of taste part of CN VII, facial?

A

Anterior 2/3 of tongue.

83
Q

Postganglionic sympathetic origin of CN VII, facial?

A

External carotid plexus, direct from the superior cervical ganglion

84
Q

CNS origin of CN IX, glossopharyngeal?

A

Medulla

85
Q

Cells of origin for branchial motor part of CN IX, glossopharyngeal?

A

Nucleus ambiguous

86
Q

Cells of origin for pre-para part of CN IX, glossopharyngeal?

A

Inferior salivary nucleus

87
Q

Cells of origin for sensory part of CN IX, glossopharyngeal?

A

Inferior ganglion

88
Q

Cells of origin for sensory visceral part of CN IX, glossopharyngeal?

A

Superior ganglion

89
Q

Cells of origin for taste part of CN IX, glossopharyngeal?

A

Inferior ganglion

90
Q

Exit from skull for CN IX, glossopharyngeal?

A

Jugular foramen

91
Q

Ganglion / Main central connection of pre-para part of CN IX, glossopharyngeal

A

Otic

92
Q

Ganglion / main central connection of sensory part of CN IX, glossopharyngeal

A

Trigeminal sensory nucleus

93
Q

Ganglion / main central connection of visceral sensory part of CN IX, glossopharyngeal

A

Nucleus solitarius

94
Q

Ganglion / main central connection of taste part of CN IX, glossopharyngeal

A

Nucleus solitarius

95
Q

Axon functions of CN IX, glossopharyngeal

A

Branchial motor
pre-para
sensory
visceral sensory
taste

96
Q

Peripheral structures of branchial motor part of CN IX, glossopharyngeal

A

Stylopharyngeus
superior pharyngeal constrictor
3rd pharyngeal arch

97
Q

Peripheral structures of pre-para part of CN IX, glossopharyngeal

A

parotid gland

98
Q

Peripheral structures of sensory part of CN IX, glossopharyngeal

A

Sensory posterior 1/3 of tongue
oropharynx
middle ear
tonsil bed

99
Q

Peripheral structures of visceral sensory part of CN IX glossopharyngeal

A

chemoreception of oxygen and carbon dioxide at carotid body
baroreception at carotid sinus

100
Q

Peripheral structures of taste part of CN IX, glossopharyngeal

A

taste posterior 1/3 of tongue

101
Q

Post sympathetic origin for CN IX, glossopharyngeal

A

external carotid plexus, directly from superior cervical ganglion

102
Q

CNS level for CN VIII, vestibulocochlear

A

Pons

103
Q

Origin of equilibrium part of CN VIII, vestibulocochlear

A

Vestibular ganglion

104
Q

Origin of hearing part of CN VIII, vestibulocochlear

A

Spiral ganglion

105
Q

Opening in skull for CN VIII, Vestibulocochlear

A

Internal auditory meatus

106
Q

Ganglion / main central connection for equilibrium part of CN VIII, vestibulocochlear

A

Vestibular nuclei of the cerebellum

107
Q

Ganglion / main central connection for hearing part of CN VIII, vestibulocochlear

A

Dorsal/ventral cochlear nuclei

108
Q

Axon functions of CN VIII, vestibulocochlear

A

Sensory equilibrium
Sensory hearing

109
Q

Peripheral structures for equilibrium part of CN VIII, vestibulocochlear

A

Hair cells of ampullary crests in semicircular ducts
maculae of saccule/utricle

110
Q

Peripheral structures for hearing part of CN VIII, vestibulocochlear

A

Hair cells of spiral organ (of corti)

111
Q

CNS level of CN X, Vagus

A

Medulla

112
Q

Origin of Branchial motor part of CN X Vagus

A

Nucleus ambiguus

113
Q

Origin of pre-para part of CN X, Vagus

A

Dorsal motor

114
Q

Origin of sensory part of CN X, Vagus

A

Superior ganglion

115
Q

Origin of visceral sensory part of CN X, vagus

A

inferior ganglion

116
Q

Origin of taste part of CN X, vagus

A

inferior ganglion

117
Q

Skull opening for CN X, vagus

A

Jugular foramen

118
Q

Ganglion / main central connection for pre-para part of CN X, vagus

A

neurons in, on, or near viscera

119
Q

Ganglion / main central connection for sensory part of CN X, vagus

A

spinal trigeminal nucleus

120
Q

Ganglion / main central connection for visceral sensory part of CN X, vagus

A

superior and inferior ganglion

121
Q

Ganglion / main central connection for taste part of CN X, vagus

A

superior and inferior ganglion

122
Q

Primary branches of branchial motor part of CN X, vagus

A

Pharyngeal
Superior laryngeal
recurrent laryngeal

123
Q

Primary branches of pre-para part of CN X, vagus

A

internal laryngeal
recurrent laryngeal
vagal trunks

124
Q

Primary branches of sensory part of CN X, vagus

A

auricular
meningeal

125
Q

Primary branches of visceral part of CN X, vagus

A

cardiac branch

126
Q

Primary branches of taste part of CN X, vagus

A

internal laryngeal

127
Q

Axon functions of CN X, vagus

A

branchial motor
pre-para
sensory
visceral sensory
taste

128
Q

Peripheral structures of branchial motor part of CN X, vagus

A

muscles of the pharynx
6th pharyngeal arch - intrinsic laryngeal muscles
palate
upper 2/3rd of esophagus
4th pharyngeal arch - cricothyroid & inferior pharyngeal constrictor
levator veli palatini
salphingopharyngeus
palatoglossus
palatopharyngeus
superior, middle, and inferior pharyngeal constrictors

129
Q

Peripheral structures of pre-para part of CN X, vagus

A

smooth muscle viscera up to splenic flexure

130
Q

Post sympathetic origin of CN X, vagus

A

External carotid plexus directly from superior cervical ganglion

131
Q

Peripheral structures of sensory part of Cn X, vagus

A

skin of the ear
external auditory meatus
dura posterior cranial fossa

132
Q

Peripheral structures of visceral sensory part of CN X, vagus

A

aortic arch baroreception
thorax viscera
abdominal viscera

133
Q

Peripheral structures of taste part of CN X, vagus

A

Epiglottis
palate

134
Q

CNS level of CN XI, accessory

A

Spinal cord (C1-5)

135
Q

Opening in skull for CN XI, accesory

A

Jugular foramen

136
Q

Origin of CN XI, accessory

A

Ventral horn (C1 - 5)

137
Q

Axon function of CN XI, accessory

A

Motor

138
Q

Peripheral structures of CN XI, accessory

A

sternocleidomastoid
trapezius

139
Q

Post sympathetic origin of CN XI, accessory

A

Directly from superior cervical ganglion

140
Q

CNS level of CN XII, hypoglossal

A

Medulla

141
Q

Origin of CN XII, hypoglossal

A

Hypoglossal

142
Q

Opening for CN XII, hypoglossal

A

hypoglossal canal

143
Q

Axon functions of CN XII, hypoglossal

A

Motor

144
Q

Peripheral structures of CN XII, hypoglossal

A

styloglossus
hyoglossus
genioglossus
intrinsic muscles of tongue (except palatoglossus)

145
Q

Post sympathetic origin of CN XII, hypoglossal

A

external carotid plexus directly from superior cervical ganglion

Clinical Anatomy I (44 decks)

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