Cranial Nerves Flashcards

(71 cards)

1
Q

Cranial nerves

A

12 pairs, serve head and neck

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2
Q

Cranial nerves mnemonic

A

Oh Oh Oh To Touch And Feel Very Good Velvet, AH

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3
Q

Olfactory numerical

A

I

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4
Q

Olfactory Origin

A

Nasal cavity to the cortex

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5
Q

Olfactory Function

A

Sensory, afferent impulses for smell

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6
Q

Olfactory testing

A

Sniff certain smells

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7
Q

Olfactory disorders

A

Anosmia (can’t smell)

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8
Q

Optic numerical

A

II

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9
Q

Optic origin

A

Optic nerve from retina to the cortex

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10
Q

Optic function

A

Sensory nerve that carries afferent impulses for vision

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11
Q

Optic testing

A

Eye chart and visual tests

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12
Q

Oculomotor numerical

A

III

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13
Q

Optic disorders

A

Blindness, defects called anopsia

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14
Q

Oculomotor origin

A

Midbrain to eye muscle

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15
Q

Oculomotor function

A

Eye muscle control and parasympathetic control of iris

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16
Q

Oculomotor testing

A

Size and shape of pupil and its reflex

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17
Q

Oculomotor disorder

A

No eye movement and lateral strabismus is present (lazy eye). Pt demonstrates ptosis of eyelid (drooping)

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18
Q

Trochlear numerical

A

IV

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19
Q

Trochlear origin

A

Back of midbrain to superior orbital fissure

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20
Q

Trochlear function

A

Supplies the superior oblique

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21
Q

Trochlear testing

A

Size and shape of pupil and its reflex

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22
Q

Trochlear disorder

A

Double vision and can’t move the eyes down to lateral side

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23
Q

Trigeminal numerical

A

V

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24
Q

Trigeminal divisions

A

Ophthalmic, maxillary and mandibular

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25
Trigeminal ophthalmic origin
Superior orbital fissure to pons
26
Trigeminal maxillary origin
Foramen ovale to pons
27
Trigeminal mandibular origin
Foramen ovale to pons
28
Trigeminal ophthalmic function
Sensory from nasal cavity on up
29
Trigeminal maxillary function
Sensory from lip to ophthalmic
30
Trigeminal mandibular function
Sensory from chin up to maxillary, and motor to chewing muscles
31
Trigeminal ophthalmic testing
Corneal reflex
32
Trigeminal maxillary testing
Sensation of pain, touch and temperature
32
Trigeminal mandibular testing
Move jaw side to side and clench teeth
33
Trigeminal disorder
Tic douloureux
34
Abducens numerical
VI
35
Abducens origin
Pons to the lateral rectus muscle
36
Abducens function
Serves lateral rectus muscle and proprioception
37
Abducens testing
Size and shape of pupil and its reflex
38
Abducens disorder
Internal strabismus
39
Facial numerical
VII
40
Facial 5 areas
Temporal, zygomatic, buccal, mandibular and cervical
41
Facial origin
Pons to face
42
Facial function
Motor impulses to face. Parasympathetic impulses to glands and sensory inputs from taste buds
43
Facial testing
Taste buds and face symmetry
44
Facial disorders
Bells palsy
45
Vestibulocochlear numerical
VIII
46
Vestibulocochlear origin
Vestibular and cochlear nerve to pons
47
Vestibulocochlear function
Sensory from hearing and equilibrium centers
48
Vestibulocochlear testing
Hearing test
49
Vestibulocochlear disorders
Deafness or dizziness and loss of balance
50
Glossopharyngeal numerical
IX
51
Glossopharyngeal origin
Medulla to throat
52
Glossopharyngeal function
Motor nerves to tongue and pharynx and proprioception
53
Glossopharyngeal testing
Gag, and speaking and coughing
54
Glossopharyngeal disorder
Swallowing
55
Vagus numerical
X
56
Vagus origin
Medulla to thorax and abdomen
57
Vagus function
Motor, swallowing, heart, breathing sensory from abdomen
58
Vagus testing
Gag, and speaking and coughing
59
Vagus disorder
Hoarseness, difficulty swallowing, death
60
Accessory numerical
XI
61
Accessory origin
Union of cranial root and spinal cord
62
Accessory function
Cranial root supplies the muscles of the pharynx and the spinal root supplies the trapezius and sternocleidomastoid
63
Accessory testing
Shrugging against resistance and head turning
64
Accessory disorder
Head turning to injured side, difficult shrugging on that side
65
Hypoglossal numerical
XII
66
Hypoglossal origin
Medulla to tongue
67
Hypoglossal function
Movement of the tongue
68
Hypoglossal testing
Sticking out tongue
69
Hypoglossal disorder
Difficulty speaking and swallowing. Tongue deviates to injured side if only one side is injured
70