Term
Cranial Nerves
Oh Once One Takes The Anatomy Final Very Good Vacations Are Heavenly |
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Definition
I Olfactory
II Optic
III Oculomotor
IV Trochlear
V Trigeminal
VI Abducens
VII Facial
VIII Vestibulocochlear (Auditory)
IX Glossopharyngeal
X Vagus
XI Accessory
XII Hypoglossal |
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Term
Cranial Nerve I
(name, type, function, assessment method) |
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Definition
Olfactory
-sensory
-smell
-close eyes and identify different aromas |
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Term
Cranial Nerve II
(name, type, function, assessment method) |
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Definition
Optic
-sensory
-vision and visual fields
-ask client to read Snellen-type chart, conduct ophthalmoscopic exam |
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Term
Cranial Nerve III
(name, type, function, assessment method) |
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Definition
Oculomotor
-motor
-EOM Extraocular eye movement; movement of sphincter of pupil; movement of ciliary muscles of the lens
-assess 6 ocular movements and pupil reaction |
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Term
Cranial Nerve IV
(name, type, function, assessment method) |
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Definition
Trochlear
-motor
-EOM specifically, moves eyeball downward and laterally
-assess 6 ocular movements |
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Term
Cranial Nerve V
(name, type, function, assessment method) |
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Definition
Trigeminal
Opthamlmic branch
- sensory
-sensation of cornea, skin of face, and nasal mucosa
- client looks up, lightly touch lateral sclera of eye with gauze to elicit blink reflex, have client close eyes, wipe a cotton over client's forehead and paranasal sinuses. To test deep sensation, use alternating blunt and sharp ends of safety pin over same areas
Maxillary branch
-sensroy
-sensation of skin of face and anterior oral cavity (tongue and teeth)
- assess skin sensation as for ophthalmic branch above
Mandibular branch
-motor and sensory
-muscles of mastication; sensation of skin of face
-ask client to clench teeth |
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Term
Cranial Nerve VI
(name, type, function, assessment method) |
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Definition
Abducens
-motor
-EOM; moves eyeball laterally
-assess directions of gaze |
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Term
Cranial Nerve VII
(name, type, function, assessment method) |
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Definition
Facial
-motor and sensory
-facial expressions, taste (anterior two-thirds of tongue)
-ask client to smile, raise the eyebrows, frown, puff out cheeks, close eyes tightly. Identify various tastes placed on tip and sides of tongue (sweet, sour, bitter) |
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Term
Cranial Nerve VIII
(name, type, function, assessment method) |
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Definition
Vestibulocochlear (Auditory) (vestibular and cochlear branch)
-sensory
-equilibrium and hearing
-Romberg test. Assess client's ability to hear spoken word and vibrations of tuning fork |
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Term
Cranial Nerve IX
(name, type, function, assessment method) |
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Definition
Glossopharyngeal
-motor and sensory
-swallowing ability, tongue movement, taste (posterior tongue)
-apply tastes on posterior tongue for indentification. Ask client to move tongue from side to side and up and down |
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Term
Cranial Nerve X
(name, type, function, assessment method) |
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Definition
Vagus
-Motor and sensory
-sensation of pharynx and larynx; swallowing; vocal cord movement
-assessed wth cranial nerve IX; assess client's speech for hoarseness |
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Term
Cranial Nerve XI
(name, type, function, assessment method) |
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Definition
Accessory
-motor
-head movement, shrugging of shoulders
-ask client to shrug shoulders against resistance from your hands and turn head to side against resistance |
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Term
Cranial Nerve XII
(name, type, function, assessment method) |
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Definition
Hypoglossal
-motor
-protrusion of tongue; moves tongue up and down and side to side
-ask client to protrude tongue at midline, then move it side to side |
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