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Cranial Nerves
Cranial nerves and their function
12
Nursing
Graduate
08/03/2011

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Cards

Term
Nerve I - Olfactory
Definition
Smell

Can detect various odors in each nostril
Term
Nerve II - Optic
Definition
Vision
Term
Nerve III - Oculomotor
Definition
Pupil Constriction
Raising of eyelids
(PERLA)
Term
Nerve IV - Trochlear
Definition
Downward and Inward movement of eyes
Term
Nerve V - Trigeminal
Definition
Motor = Jaw movement

Sensory = sensation on face and neck

(clench and relax jaw)
Term
Nerve VI - Abducens
Definition
Lateral Movement of eyes

(can move eyes in all directions)
Term
Nerve VII - Facial
Definition
Motor = Facial Muscle movement
-smile, whistle, wrinkle forehead
Sensory = taste on the anterior 2/3 of tongue (sweet and salty)
Term
Nerve VIII - Acoustic
Definition
Sense of hearing and balance
Term
Nerve IX - Glossopharyngeal
Definition
Motor = pharyngeal movement and swallowing

Sensory = Taste on posterior 1/3 of tongue (sour and bitter)

-gag reflex, swallow, taste
Term
Nerve X - Vagus
Definition
Swallowing and speaking
Term
Nerve XI - Spinal Accessory
Definition
Motor = flexion and rotation of head; shrugging of shoulders
Term
Nerve XII - Hypoglossal
Definition
Motor = tongue movements, tongue side to side, sticking out symmetrically and midline
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