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SHB > Cranial Nerves > Flashcards

Cranial Nerves Flashcards

1
Q

CN I Name

A

Olfactory

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2
Q

CN I Foramen

A

Cribiform plate of the ethmoid bone

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3
Q

CN I Components

A

Special visceral afferent (SVA)

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4
Q

CN I Structures innervated

A

Olfactory nasal mucosa (smell)

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5
Q

CN II Name

A

Optic

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6
Q

CN II Foramen

A

Optic foramen

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7
Q

CN II Components

A

Special somatic afferent (SSA)

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8
Q

CN II Structures innervated

A

Retina

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9
Q

CN III Name

A

Oculomotor

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10
Q

CN III Foramen

A

Superior orbital fissure

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11
Q

CN III Components

A

General Visceral Efferent (GVE) General Somatic Efferent (GSE)

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12
Q

CN III Structures innervated

A

Sphincter pupillae & Ciliary muscles Superior, Medial, inferior recti and inferior oblique as well as levator palpebrae superioris

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13
Q

CN IV Name

A

Trochlear

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14
Q

CN IV Foramen

A

Superior orbital fissure

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15
Q

CN IV Components

A

General somatic efferent (GSE)

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16
Q

CN IV structures innervated

A

Superior oblique eyeball muscle

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17
Q

CN V Name

A

Trigeminal

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18
Q

Branches of CN V

A

V1: Opthalmic V2: Maxillary V3: Mandibular

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19
Q

CN V Foramen

A

V1: Superior orbital fissure V2: Foramen rotundum V3: Foramen ovale

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20
Q

CN V Components

A

General somatic afferent (GSA) Special visceral efferent (SVE)

21
Q

CN V Structures innervated

A

V1) structures of upper face V2) Skin of mimd face, upper teeth, nasal and palatal muccosa V3) Skin of lower face, jaw, floor of mouth, anterior 2/3 of tongue, lower teeth and gums, ear pinna and canaal SVE: motor to muscles of mastication

22
Q

CN VI Name

A

Abducens nerve

23
Q

CN VI Foramen

A

Superior orbital fissure

24
Q

CN VI Components

A

General somatic efferent (GSE)

25
Q

CN VI Structures Innervated

A

Motor to lateral rectus muscle

26
Q

CN VII Name

A

Facial

27
Q

CN VII Foramen

A

Internal auditory meatus –> Stylomastoid foramen

28
Q

CN VII Components

A

GVA SVA GSA GVE SVE

29
Q

CN VII Innervations

A

GVA: deep sensory from soft palate SVA: taste buds from anterior 2/3 tongue GSA: Sensory from small part of ear pinna GVE: Motor to submandibular, sublingual, lacrimal glands and glands in nasal mucosa SVE: motor to muscles of facial expression, posterior belly of digastric, stylohyoid stapedius

30
Q

CN VIII Name

A

Vestibulocochlear

31
Q

CN VIII Foramen

A

Internal auditory meatus

32
Q

CN VIII Components

A

SSA

33
Q

CN VIII Structures Innervated

A

Cochlear duct Semicircular canals of vestibule

34
Q

CN IX Name

A

Glosso-pharyngeal

35
Q

CN IX Foramen

A

Jugular foramen

36
Q

CN IX Components

A

GVA SVA GSA GVE SVE

37
Q

CN IX Structures Innervated

A

GVA: Deep sensory from posterior tongue, soft palate, pharynx, mucosa of tympanic cavity ,auditory tube, carotid body and sinus SVA: Taste buds on posterior 1/3 of tongue and adjacent pharynx GSA: General sensory from small part of ear pinna and canal GVE: Parotid salivary gland SVE: stylopharyngeus muscle

38
Q

CN X Name

A

Vagus

39
Q

CN X Foramen

A

Jugular foramen

40
Q

CN X Components

A

GVA SVA GSA GVE SVE

41
Q

CN X Structures Innervated

A

GVA: visceral sensory from pharynx, esophagus, trachea, larynx and abdominal viscera SVA: Taste buds from epiglottis and glottis GSA: Sensory from small part of ear pinna, canal and tympanic membrane GVE: Thoracic and abdominal viscera SVE: Muscles of pharynx and larynx, levator palatini and cricothyroid

42
Q

CN XI Name

A

Spinal accessory nerves

43
Q

CN XI Foramen

A

Foramen magnum and jugular foramen

44
Q

CN XI Components

A

SVE

45
Q

CN XI Structures innervated

A

sternocleidomastoid and trapezius

46
Q

CN XII Name

A

Hypoglossal

47
Q

CN XII Foramen

A

Hypoglossal canal

48
Q

CN XII Components

A

GSE

49
Q

CN XII Structures Innervated

A

Intrinsic and extrinsic muscles of the tongue

SHB (8 decks)

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