Cranial Nerves Flashcards

1
Q

Olfactory nerve [I] Modalities

A

Sensory Afferent- SVA (special visceral afferent)

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2
Q

Optic nerve [II] Modalities

A

Sensory Afferent- SVA (special visceral afferent)

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3
Q

Oculomotor nerve [III] Modalities

A

Motor Efferent- GSE, GVE

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4
Q

Trochlear nerve [IV] Modalities

A

Motor Efferent- GSE

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5
Q

Trigeminal nerve [V] Modalities

A

Sensory and Motor- GSA, BE (SVE- special visceral efferent)

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6
Q

Abducent nerve [VI] Modalities

A

Motor Efferent- GSE

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7
Q

Facial nerve [VII] Modalities

A

Motor and Sensory- GSA, SA, GVE, BE (SVE)

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8
Q

Vestibulocochlear nerve [VIII] Modalities

A

Sensory Afferent- SA

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9
Q

Glossopharyngeal nerve [IX] Modalities

A

Sensory and Motor- GVA, SA, GSA, GVE, BE

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10
Q

Vagus nerve [X] Modalities

A

Sensory and Motor- GSA, GVA, SA, GVE, BE

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11
Q

Accessory nerve [XI] Modalities

A

Motor- GSE

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12
Q

Hypoglossal nerve [XII] Modalities

A

Motor- GSE

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13
Q

General somatic efferent (GSE)

A

Function- Perception of touch, pain, temperature

Cranial nerves- Trigeminal nerve [V]; facial nerve [VII]; glossopharyngeal nerve [IX]; vagus nerve [X]

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14
Q

General visceral afferent (GSA)

A

Function- sensory input from viscera

Cranial nerves- Glossopharyngeal nerve [IX]; vagus nerve [X]

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15
Q

Special afferent (SVA)

A

Function- Smell, taste, vision, hearing, and balance
Cranial nerves- Olfactory nerve [I]; optic nerve [II]; facial nerve [VII]; vestibulocochlear nerve [VIII]; glossopharyngeal nerve [IX]; vagus nerve [X]

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16
Q

General somatic efferent (GSE)

A

Function- motor innervation to skeletal (voluntary) muscles
Cranial nerves- Oculomotor nerve [III]; trochlear nerve [IV]; abducent nerve [VI]; accessory nerve [XI]; hypoglossal nerve [XII]

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17
Q

General visceral efferent (GVE)

A

Function- motor innervation to smooth muscle, heart muscle, and glands
Cranial nerves- Oculomotor nerve [III]; facial nerve [VII]; glossopharyngeal nerve [IX]; vagus nerve [X]

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18
Q

Special visceral efferent (BE)

A

Function- motor innervation to skeletal muscles derived from pharyngeal arch mesoderm
Cranial nerves- Trigeminal nerve [V]; facial nerve [VII]; glossopharyngeal nerve [IX]; vagus nerve [X]

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19
Q

Olfactory nerve [I] Location

A

Exits from skull- Cribriform plate of ethmoid bone

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20
Q

Olfactory nerve [I] Function

A

Smell

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21
Q

Optic nerve [II] Location

A

Exits from skull- optic canal

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22
Q

Optic nerve [II] Function

A

Vision

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23
Q

Nerves that exit skull at superior orbital fissure

A

Oculomotor nerve [III]
Trochlear nerve [IV]
Trigeminol never [V]- Ophthalmic division [V1]
Abducent nerve [VI]

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24
Q

Oculomotor nerve [III] GSE Function

A

GSE-innervates levator palpebrae superioris, superior rectus, inferior rectus, medial rectus, and inferior oblique muscles

25
Q

Trochlear nerve [IV] Function

A

Innervates superior oblique muscle

26
Q

Trigeminal nerve [V]- Maxillary nerve [V2] Location

A

Foramen rotundum

27
Q

Trigeminal nerve [V]- Mandibular division [V3] Location

A

Foramen ovale

28
Q

Trigeminal nerve [V]- Opthalmic division [VI] Function at GSA

A

GSA-sensory from: ophthalmic division [V1]-eyes, conjunctiva, orbital contents, nasal cavity, frontal sinus, ethmoidal cells, upper eyelid, dorsum of nose, anterior part of scalp, dura in anterior cranial fossa, superior part of tentorium cerebelli; maxillary nerve

29
Q

Trigeminal nerve [V]- Maxillary nerve [V2] Function at GSA

A

GSA- sensory from [V2]-dura in middle cranial fossa, nasopharynx, palate, nasal cavity, upper teeth, maxillary sinus, skin covering the side of the nose, lower eyelid, cheek, upper lip; mandibular division

30
Q

Trigeminal nerve [V]- Mandibular division [V3] Function at GSA

A

GSA- sensory from [V3]-skin of lower face, cheek, lower lip, anterior part of external ear, part of external acoustic meatus, temporal fossa, anterior two-thirds of tongue, lower teeth, mastoid air cells, mucous membranes of cheek, mandible, dura in middle cranial fossa

31
Q

Trigeminal nerve [V] BE Function

A

BE-innervates temporalis, masseter, medial and lateral pterygoids, tensor tympani, tensor veli palatini, anterior belly of digastric, and mylohyoid muscles

32
Q

Abducent nerve [VI]

A

Innervates lateral rectus muscle

33
Q

Facial nerve [VII] Location

A

Exits skull from- Stylomastoid foramen [nerve leaves cranial cavity through internal acoustic meatus]

34
Q

Facial nerve [VII] GSA Function

A

GSA-sensory from part of external acoustic meatus and deeper parts of auricle

35
Q

Facial nerve [VII] SA Function

A

SA-taste from anterior two-thirds of tongue

36
Q

Facial nerve [VII] GVE Function

A

GVE-innervates lacrimal gland, submandibular and sublingual salivary glands, and mucous membranes of nasal cavity, hard and soft palates

37
Q

Facial nerve [VII] BE Function

A

BE-innervates muscles of face (muscles of facial expression) and scalp derived from the second pharyngeal arch, and stapedius, posterior belly of digastric, stylohyoid muscles

38
Q

Vestibulocochlear nerve [VIII] Location

A

Exits from skull- nerve leaves cranial cavity through internal acoustic meatus

39
Q

Vestibulocochlear nerve [VIII] Function

A

Vestibular division-balance

Cochlear division-hearing

40
Q

Nerves that exit skull through internal acoustic meatus

A

Facial nerve [VII]

Vestibulocochlear nerve [VIII

41
Q

Glossopharyngeal nerve [IX] Location

A

Exits skull from- jugular foramen

42
Q

Glossopharyngeal nerve [IX] GVA Function

A

GVA-sensory from carotid body and sinus

43
Q

Glossopharyngeal nerve [IX] GSA Function

A

GSA-posterior one-third of tongue, palatine tonsils, oropharynx, and mucosa of middle ear and pharyngotympanic tube

44
Q

Glossopharyngeal nerve [IX] GVE Function

A

GVE-innervates parotid salivary gland

45
Q

Glossopharyngeal nerve [IX] BE Function

A

BE-innervates stylopharyngeus muscle

46
Q

Glossopharyngeal nerve [IX] SA Function

A

SA-taste from posterior one-third of tongue

47
Q

Nerves that exit skull at jugular foramen

A

Glossopharyngeal nerve [IX]
Vagus nerve [X]
Accessory nerve [XI]

48
Q

Vagus nerve [X] Location

A

Exits skull from- jugular foramen

49
Q

Vagus nerve [X] GSA Function

A

GSA-sensory from larynx, laryngopharynx, deeper parts of auricle, part of external acoustic meatus, and dura in posterior cranial fossa

50
Q

Vagus nerve [X] GVA Function

A

GVA-sensory from aortic body chemoreceptors and aortic arch baroreceptors, esophagus, bronchi, lungs, heart, and abdominal viscera of the foregut and midgut

51
Q

Vagus nerve [X] SA Function

A

SA-taste from the epiglottis and pharynx

52
Q

Vagus nerve [X] GVE Function

A

GVE-innervates smooth muscle and glands in the pharynx, larynx, thoracic viscera, and abdominal viscera of the foregut and midgut

53
Q

Vagus nerve [X] BE Function

A

BE-innervates one tongue muscle (palatoglossus), muscles of soft palate (except tensor veli palatini), pharynx (except stylopharyngeus), and larynx

54
Q

Accessory nerve [XI] Location

A

Exits skull from- jugular foramen

55
Q

Accessory nerve [XI] Function

A

Innervates sternocleidomastoid and trapezius muscles

56
Q

Hypoglossal nerve [XII] Location

A

Exits skull from- hypoglossal canal

57
Q

Hypoglossal nerve [XII] Function

A

Innervates hyoglossus, genioglossus, and styloglossus muscles and all intrinsic muscles of the tongue

58
Q

Oculomotor nerve [III] GVE Function

A

GVE-innervates sphincter pupillae for pupillary constriction; ciliary muscles for accommodation of the lens for near vision