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Anatomy Unit 4 > Cranial Nerves > Flashcards

Cranial Nerves Flashcards

(54 cards)

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1
Q

Most cranial nerves emerge from where

A

brain stem

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2
Q

what cranial nerve exits Cribriform foramina

A

olfactory

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3
Q

what is the target for CN II

A

retina

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4
Q

How does CN II exit the skull

A

optic canal

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5
Q

fiber type of CN III

A

somatic motor

parasympathetic

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6
Q

CN III exit

A

superior orbital fissure

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7
Q

CNIII parasympathetic portion

A

Ciliary muscle, Sphincter pupillae m.

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8
Q

CN III somatic motor targets

A

levator palpebrae superioris m.

superior, medial, and inferior rectus, inferior oblique

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9
Q

CN IV exit

A

superior orbital fissure

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10
Q

CN IV motor innervation

A

superior oblique

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11
Q

3 divisions of trigeminal nerve

A

Ophthalmic Division (CN V1)

Maxillary Division (CN V2)

Mandibular Division (CN V3)

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12
Q

opthalmic division exits the skull how

A

superior orbital fissure

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13
Q

maxillary exits skull how

A

foreman rotundum

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14
Q

mandibular division exits skull how

A

foramen ovale

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15
Q

muscles of mastication (temporalis, masseter, lateral & medial pterygoids), mylohyoid, anterior belly of digastric m, tensor veli palatini and tensor tympani mm.

A

somatic motor targets of mandibular division of trigeminal nerve

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16
Q

CN VI exits skill

A

superior orbital fissure

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17
Q

CN VI motor to what muscle

A

lateral rectus

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18
Q

CN VII exits skull

A

Stylomastoid foramen

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19
Q

stapedius, muscles of facial expression (buccinator, occipitofrontalis, orbicularis oris, orbicularis oculi, platysma), stylohoid m., posterior belly of digastric

A

motor of facial nerve

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20
Q

chorda tympani special sensory and parasympathetic

A

Special sensory target: anterior 2/3rds of tongue (taste)

Parasympathetic target: submandibular and sublingual glands

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21
Q

what nerve exits the skill via the Internal acoustic meatus

A

vestibulochoclealer

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22
Q

motor to Somatic motor to stylopharyngeus muscle via what nerve

Study These Flashcards
A

Glossopharyngeal

23
Q

what nerve Visceral sensory to carotid body and sinus

Study These Flashcards
A

Glossopharyngeal

24
Q

Targets:
Somatic sensory to oropharynx, soft palate and posterior 1/3 of tongue
Special sensory to posterior 1/3 of tongue

Study These Flashcards
A

Glossopharyngeal

25
Somatic sensory target: internal surface of tympanic membrane
tympanic nerve comes off Glossopharyngeal
26
parasympathetic to parotid gland
Glossopharyngeal: Tympanic
27
provides parasympathetic innervation to targets in thorax and abdomen.
vegus nerve
28
what 2 CN exit the jugular foramen
1. vegus | 2. Glossal pharangeal
29
Somatic motor to cricothyroid muscle | Somatic sensory to laryngeal mucosa superior to vocal folds
Vagus Superior Laryngeal Branch
30
How does spinal assessory nerve exit skill
jugular foramen
31
what nerve innervates SCM
spinal accessory
32
how does CN XII exit skull
Hypoglossal canal
33
what cranial nerve innervates: levator palprebre
CN: III oculomotor
34
what cranial nerve innervates: parasympathetic) • Ciliary muscle and sphincter pupillae muscle
CN: III oculomotor
35
what cranial nerve innervates: superior oblique
Trochlear
36
V1: opthalmic (sensory motor or both)
sensory only
37
V2: maxillary (sensory motor or both)
sensory only
38
V3: mandibular (sensory motor or both)
somatic motor and sensory
39
what cranial nerve is sensory to anterior 2/3 tongue
V3: mandibular
40
what nerve is the muscles of mastication
mandibular
41
3 branches of facial
1. chorda tympani, 2. branch to stapedius muscle 3. greater petrosal
42
what is the exit path of facial nerve
o Internal acoustic meatus >via stylomastoid foramen
43
what is the mnemonic for muscles of stepedius
``` Brittany orgasms often on prom ``` Seans penis
44
muscles of stepedius
stapedius, muscles of facial expression (buccinator, occipitofrontalis, orbicularis oris, orbicularis oculi, platysma), stylohoid m., posterior belly of digas
45
taste to the anterior 2/3 on tongue
Facial: Chorda tympani
46
what innervates submandibular and sublingual glands
Facial: Chorda tympani
47
Lacrimal gland (parasympathetic only) and mucosa of nasal cavity
Facial: greater petrosal
48
vestibulochclear
balance, hearing
49
what nerve gives off Tympanic nerve
Glossopharyngeal
50
what nerve innervated: stylopharyngeus muscle
Glossopharyngeal
51
what nerve innervated: Visceral sensory target: carotid body and sinus
Glossopharyngeal
52
innervates innervates internal tympanic membrane
Glossopharyngeal: tympanic nerve
53
innervates parotid gland
Glossopharyngeal: tympanic nerve
54
posterior 1/3 of tongue (taste)
Glossopharyngeal

Anatomy Unit 4 (9 decks)

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