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Nursing Skills Cranial Nerves
Cranial Nerves
13
Nursing
Undergraduate 1
03/30/2014

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Term
Cranial Nerves
Oh Once One Takes The Anatomy Final Very Good Vacations Are Heavenly
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
Term
Cranial Nerve I
(name, type, function, assessment method)
Definition
Olfactory
-sensory
-smell
-close eyes and identify different aromas
Term
Cranial Nerve II
(name, type, function, assessment method)
Definition
Optic
-sensory
-vision and visual fields
-ask client to read Snellen-type chart, conduct ophthalmoscopic exam
Term
Cranial Nerve III
(name, type, function, assessment method)
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
Term
Cranial Nerve IV
(name, type, function, assessment method)
Definition
Trochlear
-motor
-EOM specifically, moves eyeball downward and laterally
-assess 6 ocular movements
Term
Cranial Nerve V
(name, type, function, assessment method)
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
Term
Cranial Nerve VI
(name, type, function, assessment method)
Definition
Abducens
-motor
-EOM; moves eyeball laterally
-assess directions of gaze
Term
Cranial Nerve VII
(name, type, function, assessment method)
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)
Term
Cranial Nerve VIII
(name, type, function, assessment method)
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
Term
Cranial Nerve IX
(name, type, function, assessment method)
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
Term
Cranial Nerve X
(name, type, function, assessment method)
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
Term
Cranial Nerve XI
(name, type, function, assessment method)
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
Term
Cranial Nerve XII
(name, type, function, assessment method)
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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