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Anatomy BLOCK 3 > Cranial Nerves > Flashcards

Cranial Nerves Flashcards

1
Q

Cranial nerves in order

A 
I-olfactory
II-optic
III-oculomoter
IV-Trohclear
V-trigeminal 
VI-abducens 
VII-facial
VIII-vestibulocochlear
IX-Glossopharyngeal
X-Vagus
XI-Accessory
XII-hypoglossal
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2
Q

What nerves are entirely sensory

A

I olfactory
II optic
VIII vesribulocochlear

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3
Q

Which nerves are entirely motor

A 
III oculomotor 
IV trochlear
VI abducens
XI accessory 
XII hypoglossal
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4
Q

Which nerves are mixed nerves

A

V trigeminal
VII facial
IX glossopharyngeal
X vagus

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5
Q

Which nerves are parasympathetic

A

III oculomoter
VII Facial
IX glossopharyngeal
X Vagus

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6
Q

Which nerves contain taste fibers

A

VII Facial
IX glossopharyngeal
X Vagus

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7
Q

Olfactory nerve components

A

Sensory

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8
Q

Function of olfactory nerve

A

Olfaction (smell)

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9
Q

What opening does the olfactory nerve come through?

A

Openings of the cribiform plate of the ethmoid bone

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10
Q

Optic nerve components

A

Sensory

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11
Q

Function of the optic nerve

A

Vision

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12
Q

Opening of the skull for the optic nerve

A

Optic canal

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13
Q

Oculomotor nerve components

A

Motor

Parasympathetic

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14
Q

Motor function of oculomotor nerve

A

Superior, inferior, medial rectus muscles, their inferior oblique muscle, the levator palpebrae superioris muscle

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15
Q

Parasympathetic function of oculomotor nerve

A

Innervation to constrict pupil and accommodate eye

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16
Q

Opening in the skull for the oculomotor nerve

A

Superior orbital fissure

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17
Q

What nerve goes through the cavernous sinus?

A

The oculomotor nerve

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18
Q

Components of the trochlear nerve

A

Motor

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19
Q

Motor function of the trochlear nerve

A

To the superior oblique muscle that turns the eye downward and laterally

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20
Q

Opening in the skull for the trochlear nerve

A

Superior orbital fissure

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21
Q

Trigeminal components

A

Sensory and motor

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22
Q

Sensory function of trigeminal nerve

A

To most of head

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23
Q

Motor function of trigeminal nerve

A

To muscles of mastication and few other muscles

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24
Q

Branches of the trigeminal nerve

A
  • ophthalmic division
  • maxillary division
  • mandibular division
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25
Q

What opening does the ophthalmic division of the trigeminal nerve run through

A

Superior orbital fissure

26
Q

What is the opening of the skull that the maxillary division of the trigeminal nerve go through

A

Foramen rotundum

27
Q

What opening of the skull does the mandibular division of the trigeminal nerve run through

A

Foramen ovale

28
Q

VI ophthalmic division

A

Sensory to cornea, skin of the forehead, scalp, eyelids, and nose; mucous membrane of the paranasal sinuses and nasal cavity

29
Q

V2 maxillary division of trigeminal nerve

A

Sensory to skin of face over the maxilla and upper lip; teeth of upper jaw; mucous membrane of the nose; maxillary air sinus

30
Q

V3 mandibular division of the trigeminal nerve (sensory)

A

Sensory to skin of the cheek, skin over the mandible, and side of head; teeth of lower jaw and temporomandibular joint; mucous membrane of the mouth and anterior two-thirds of the tongue

31
Q

V3 mandibular division of the trigmeninal (motor)

A

Muscles of mastication (temporalis, masseter, medial and lateral pterygoid s), anterior belly of the digastric, mylohyoid, tensor tympani, and tensor veli palatini

32
Q

Components of abducens nerve

A

Motor

33
Q

Function of abducens nerve

A

Motor to the lateral rectus muscle-turns eye laterally

34
Q

Which is the longest path through the cranial cavity?

A

Abducens, it is frequently damaged by increases intracranial pressure or by fractures to the base of the skull

35
Q

Components of the facial nerve

A

Motor. Sensory, parasympathetic, taste

36
Q

Motor function of the facial nerve

A

To muscles of facial expression, stapedius, stylohyoid, posterior belly of the digastric

37
Q

Taste function of the facial nerve

A

From the anterior two/thirds of the tongue, and palate

38
Q

Parasympathetic innervation of the facial nerve

A

Submandibular and sublingual salivary glands, lacrimal glands and glands of the nose and palate

39
Q

Opening in skull for the facial nerve

A

Internal auditory meatus, facial canal, and stylomastoid foramen

40
Q

Vestibulocochlear components

A

Sensory

41
Q

Function of the vestibulocochlear

A
  • vestibular nerve: positions and movement of the head

- cochlear nerve: hearing

42
Q

Opening in the skull for the vestibulocochlear nerve

A

Internal auditory/ acoustic meatus

43
Q

Components of the glossopharyngeal nerve

A

Motor, general sensory, taste

44
Q

Motor function of the glossopharyngeal nerve

A

To the stylopharyngeus muscle

45
Q

General sensation and taste function of the glossopharyngeal nerve

A

From the posterior third of the tongue

46
Q

General sensation of the glossopharyngeal nerve

A

From pharynx

47
Q

Sensory fibers for the glossopharyngeal nerve

A

From the carotid sinus

48
Q

Parasympathetic innervation of the glossopharyngeal nerve

A

Of the parotid gland

49
Q

Opening of the skull for the glossopharyngeal nerve

A

Jugular foramen

50
Q

Components of the vagus nerve

A

Motor, parasympathetic, sensory, taste

51
Q

Motor function of the vagus nerve

A

Innervated constrictor muscles of the pharynx and intrinsic muscles of the larynx

52
Q

Parasympathetic innervation of the vagus nerve

A

To structure in the neck, thorax and most of abdomen to splenic flexible of colon

53
Q

Taste of the vagus nerve

A

From the valleculae epiglottis

54
Q

Afferent fibers (sensation) of the vagus nerve

A

From all the motor and paraympstathetic structures of the vagus nerve

55
Q

Opening in the skull for the vagus nerve

A

Jugular foramen

56
Q

Components of he accessory nerve

A

Motor

57
Q

Function of the accessory nerve

A

Motor to the sternocleidomastoid and trapezius muscles

58
Q

Opening in the skull for the accessory nerve

A

Jugular foramen

59
Q

Components of the hypoglossal nerve

A

Motor

60
Q

Motor function of the hypoglossal nerve

A

To the intrinsic and extrinsic muscles of the tongue (EXCEPT PALATOGLOSSUS MUSCLE)

61
Q

Opening in the skull for the hypoglossal nerve

A

Hypoglossal canal

Anatomy BLOCK 3 (13 decks)

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