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27 Cards in this Set
- Front
- Back
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CNI
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Olfactory- Sensory
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CNII
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Optic- Sensory
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CNIII
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Oculomotor- Motor
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CNIV
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Trochlear- Motor
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CNV
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Trigeminal- Both motor and sensory
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CNVI
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Abducens- Motor
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CNVII
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Facial- Both motor and sensory
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CNVIII
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Auditory/ Acoustic- Sensory
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CNIX
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Glossopharyngeal- Both motor and sensory
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CNX
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Vagus- Both motor and sensory
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CNXI
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Accessory- Motor
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CNXII
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Hypoglossal- Motor
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Mnemonic for Cranial Nerves
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On Old Olympus' Towering Top, A Finn and German Viewed A Hop
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Mnemonic for sensory/motor/both
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Some Say Marry Money, But My Brothers Say: Bad Business Marries Money
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Olfactory- CNI
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Comes directly from the brain, originating in the nasal cavity for nose/smell.
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Optic- CNII
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Sensory for the eye, originating in the retina of the eye, involved in vision.
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Oculomotor- CNIII
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Originates in the midbrain area & innervates muscles corresponding to eye movement. Helps in visual conversions, accommodations.
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Trochlear- CNVI
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(of or relating to movement in the body resembling a pulley). Originates in the midbrain area & innervates muscles corresponding to eye movement. Helps in visual conversions, accomodations.
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Trigeminal- CNV
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It has three bodies with many branches. It has a lot of sensory input from the eyes, nose, face, but also has motor fibers that go to the tongue and jaw. It has branches that go to the mandible, maxilla, palate, and pharynx.
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Abducens- CNVI
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Controls lateral eye muscles for movement, helps move the eyes from side to side.
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Facial-CNVII
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A very large and very complex nerve. Brings sensory information from the soft palate & tongue, responsible for taste sensation on anterior 2/3 of tongue. Also, it innervates muscles that control the subtle movements of the face for facial expression. This nerve triggers the stipedeus muscle for the acoustic reflex. Branches of the facial nerve: temporal, zygomatic, buccal, mandibular and cervical. (To Zanzibar By Motor Car).
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Auditory/ Acoustic- CNVIII
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Sensory for balance and hearing. Has 2 branches for the cochlear and vestibular portion: vestibular branch and the acoustic branch.
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Glossopharygeal - CNIX
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Is both sensory and motor and has branches going to the tonsils, posterior third of the tongue, pharynx and velum.
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Vagus- CNX
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Sensory from area of the ear (not sound). Sensory to the pharynx and larynx. Is motor to pharynx, larynx and tongue. Two branches which are critical for vocal fold activity: Recurrent laryngeal nerve (RLN), Superior laryngeal nerve (SLN). Also, extends into the chest and stomach.
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Accessory- CNXI
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Motor to the larynx, pharynx, velum and neck. It is considered both a cranial and spinal nerve due to its cranial and spinal origins.
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Hypoglossal- CNXII
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Motor to the strap muscles of neck (laryngeal elevators) also motor to extrinsic and intrinsic tongue muscles. Very important for tongue movement.
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Which cranial nerve pairs that are important for speech.
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V, VII, XI, X, XI, XII
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