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Gross Anatomy 1 > Cranial Nerves > Flashcards

Cranial Nerves Flashcards

1
Q

Cranial Nerve 1 is

A

Olfactory , sensory

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2
Q

Cranial nerve 2 is

A

Optic , Sensory

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3
Q

Cranial nerve 3 is

A

Oculomotor , motor

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4
Q

Cranial nerve 4 is

A

trochlear , motor

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5
Q

Cranial nerve 5 is

A

trigeminal, both

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6
Q

Cranial nerve 6 is

A

Abducens, motor

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7
Q

Cranial nerve 7 is

A

Facial, both

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8
Q

Cranial nerve 8 is

A

Vestibulocochlear, sensory

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9
Q

Cranial nerve 9 is

A

Glossopharyngeal, both

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10
Q

Cranial nerve 10 is

A

Vagus, both

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11
Q

Cranial nerve 11 is

A

Accessory spinal, motor

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12
Q

Cranial nerve 12 is

A

Hypoglossal, motor

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13
Q

Which cranial nerves carry sensory information only

A

1,2,8

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14
Q

Which cranial nerves carry motor innervation only

A

3,4,7,11,12

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15
Q

Which cranial nerves carry both sensory and motor innervation

A

5,7,9,10

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16
Q

Olfactory nerve exits out of

A

Cribriform plate

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17
Q

Olfactory nerve innervates (1)

A

Olfactory epithelium of nasal mucosa

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18
Q

Optic nerve exits out of

A

Optic Canal

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19
Q

Optic nerve carries

A

Visual input from retina

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20
Q

The optic nerve is really an extension of

A

The CNS and is covered by meninges

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21
Q

Oculomotor nerve goes through

A

Superior orbital fissure

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22
Q

Oculomotor nerve innervates via GSE these extrinsic eye muscles (4)

A

Superior rectus, inferior rectus, medial rectus, inferior oblique

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23
Q

Oculomotor carries GVE innervation to these intrinsic eye muscles (2)

A

Sphincter papillae and Ciliary muscle

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24
Q

The parasympathetic response of Oculomotor nerve results in

A

Constriction of pupil

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25
Q

Trochlear nerve innervation goes though

A

Superior orbital fissure

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26
Q

Trochlear nerve innervates which muscle of the eye

A

Superior oblique muscle (extrinsic)

27
Q

Trigeminal nerve splits at the

A

Trigeminal ganglion

28
Q

What are the 3 division of the trigeminal nerve

A

Ophthalmic, maxillary, mandibular

29
Q

Ophthalmic division of trigeminal carries sensory information of the

A

Scalp, forehead, upper eye lid

30
Q

Maxillary division of the trigeminal nerve carries sensory information from

A

Lower eyelid, cheeks, upper lips and teeth, and nostrils

31
Q

Maxillary GSA sensory information is transmitted via

A

Foremen rotundum

32
Q

Ophthalmic GSA sensory information is transmitted via

A

Superior orbital fissure

33
Q

mandibular division of trigeminal nerve carries sensory information from

A

Lower lip, lower teeth, chin, and some external ear

34
Q

Mandibular GSA sensory information is transmitted via

A

Foremen ovale

35
Q

Mandibular portion of trigeminal nerve innervates these muscles (4)

A

Masseter, Temporalis, medial pterygoid, lateral pterygoid

36
Q

Trigeminal nerve innervates these muscle (4)

A

Tensor veil palatini, tensor tympani, mylohyoid, anterior belly of digastirc

37
Q

Abducens nerve transmits information via

A

Supraorbiral fissure

38
Q

Abducens nerve innervates this muscle

A

lateral rectus muscle

39
Q

Facial nerve fibers are transmitted via (2)

A

Stylomastoid foremen and internal acoustic meatus

40
Q

Facial nerve SVE fibers innervates (3)

A

Stapedius, stylohyoid, posterior digastric

41
Q

Facial nerve GVE fibers innervate (3)

A

Lacrimal, sublingual, submandibular glands

42
Q

Facial nerve SVA fibers innervate

A

Taste buds of anterior 2/3 of tongue (not taste)

43
Q

Facial nerve GSA or GVA innervate

A

Middle ear

44
Q

Facial nerve GSA fibers innervate

A

External ear

45
Q

Vestibulocochlear nerve fibers o through

A

Internal acoustic meatus of temporal bone

46
Q

Vestibulocochlear nerve carries SSA fibers used for (2)

A

Hearing and equilibrium

47
Q

Glossopharyngeal nerve fibers go through

A

Jugular foremen

48
Q

Glossopharyngeal SVA fibers innervate

A

Taste buds of posterior 1/3 of tongue

49
Q

Glossopharyngeal GVE fibers innervate

A

Parotid gland

50
Q

Glossopharyngeal GVA or GSA fibers innervate (5)

A

Pharynx, carotid sinus, posterior 1/3 tongue, auditory tube, middle ear

51
Q

Glossopharyngeal SVE fibers innervate

A

Stylopharyngeus

52
Q

Glossopharyngeal GSA fibers innervate

A

External ear

53
Q

Vagus nerve goes through

A

Jugular foremen

54
Q

Vagus GVE fibers carry fibers to

A

Smooth and cardiac MM, glands of thoracic and abdominal organs

55
Q

Vagus nerve carries GVA fibers to

A

Carotid and aortic bodies

56
Q

Vagus nerve carries SVE fibers to

A

Soft palate, pharynx, larynx, esophagus

57
Q

Vagus nerve carries SVA fibers to

A

Epiglottis, taste at tongue root

58
Q

Vagus nerve carries GSA fibers to

A

External ear

59
Q

Spinal accessory nerve should really be considered a

A

Ascending spinal nerve

60
Q

Spinal accessory nerve arises from

A

First portion of spinal cord, ascending through foremen magnum, and then exits jugular canal

61
Q

Spinal accessory nerve caries GSE or SVE fibers to (2)

A

Sternocleidomastoid and trapezius

62
Q

Spinal accessory nerve carries SVE fibers to these 2 muscle

A

Pharynx and larynx

63
Q

Hypoglossal nerve travels through

A

Hypoglossal canal

64
Q

Hypoglossal nerve innervates (2)

A

All intrinsic and extrinsic muscles of tongue
Does not innervate palatoglossus

Gross Anatomy 1 (10 decks)

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