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Anatomy BLOCK 3 > Cranial Nerves > Flashcards

Cranial Nerves Flashcards

(61 cards)

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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
What opening does the ophthalmic division of the trigeminal nerve run through
Superior orbital fissure
26
What is the opening of the skull that the maxillary division of the trigeminal nerve go through
Foramen rotundum
27
What opening of the skull does the mandibular division of the trigeminal nerve run through
Foramen ovale
28
VI ophthalmic division
Sensory to cornea, skin of the forehead, scalp, eyelids, and nose; mucous membrane of the paranasal sinuses and nasal cavity
29
V2 maxillary division of trigeminal nerve
Sensory to skin of face over the maxilla and upper lip; teeth of upper jaw; mucous membrane of the nose; maxillary air sinus
30
V3 mandibular division of the trigeminal nerve (sensory)
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
V3 mandibular division of the trigmeninal (motor)
Muscles of mastication (temporalis, masseter, medial and lateral pterygoid s), anterior belly of the digastric, mylohyoid, tensor tympani, and tensor veli palatini
32
Components of abducens nerve
Motor
33
Function of abducens nerve
Motor to the lateral rectus muscle-turns eye laterally
34
Which is the longest path through the cranial cavity?
Abducens, it is frequently damaged by increases intracranial pressure or by fractures to the base of the skull
35
Components of the facial nerve
Motor. Sensory, parasympathetic, taste
36
Motor function of the facial nerve
To muscles of facial expression, stapedius, stylohyoid, posterior belly of the digastric
37
Taste function of the facial nerve
From the anterior two/thirds of the tongue, and palate
38
Parasympathetic innervation of the facial nerve
Submandibular and sublingual salivary glands, lacrimal glands and glands of the nose and palate
39
Opening in skull for the facial nerve
Internal auditory meatus, facial canal, and stylomastoid foramen
40
Vestibulocochlear components
Sensory
41
Function of the vestibulocochlear
- vestibular nerve: positions and movement of the head | - cochlear nerve: hearing
42
Opening in the skull for the vestibulocochlear nerve
Internal auditory/ acoustic meatus
43
Components of the glossopharyngeal nerve
Motor, general sensory, taste
44
Motor function of the glossopharyngeal nerve
To the stylopharyngeus muscle
45
General sensation and taste function of the glossopharyngeal nerve
From the posterior third of the tongue
46
General sensation of the glossopharyngeal nerve
From pharynx
47
Sensory fibers for the glossopharyngeal nerve
From the carotid sinus
48
Parasympathetic innervation of the glossopharyngeal nerve
Of the parotid gland
49
Opening of the skull for the glossopharyngeal nerve
Jugular foramen
50
Components of the vagus nerve
Motor, parasympathetic, sensory, taste
51
Motor function of the vagus nerve
Innervated constrictor muscles of the pharynx and intrinsic muscles of the larynx
52
Parasympathetic innervation of the vagus nerve
To structure in the neck, thorax and most of abdomen to splenic flexible of colon
53
Taste of the vagus nerve
From the valleculae epiglottis
54
Afferent fibers (sensation) of the vagus nerve
From all the motor and paraympstathetic structures of the vagus nerve
55
Opening in the skull for the vagus nerve
Jugular foramen
56
Components of he accessory nerve
Motor
57
Function of the accessory nerve
Motor to the sternocleidomastoid and trapezius muscles
58
Opening in the skull for the accessory nerve
Jugular foramen
59
Components of the hypoglossal nerve
Motor
60
Motor function of the hypoglossal nerve
To the intrinsic and extrinsic muscles of the tongue (EXCEPT PALATOGLOSSUS MUSCLE)
61
Opening in the skull for the hypoglossal nerve
Hypoglossal canal

Anatomy BLOCK 3 (13 decks)

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