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22 Cards in this Set
- Front
- Back
Function of (I) Olfactory Nerve
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Smell
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Function of (III) Oculomotor Nerve
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Eyelid and eyeball movement
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Function of (IV) Trochlear Nerve
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-Innervates superior oblique.
-Turns eye downward and laterally. |
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Function of (V) Trigeminal Nerve
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-Chewing.
-Face & mouth touch & pain |
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Function of (VI) Abducens
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Turns eye laterally
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Function of (VII) Facial
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-Controls most facial expressions.
-Secretion of tears & saliva -Taste |
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Function of (VIII) Vestibulocochlear Nerve
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-Hearing.
-Equilibrium sensation |
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Function of (IX) Glossopharyngeal Nerve
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-Taste.
-Senses carotid blood pressure |
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Function of (X) Vagus Nerve
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-Senses aortic blood pressure
-Slows heart rate -Stimulates digestive organs -Taste |
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Function of (XI) Spinal Accessory Nerve
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-Controls trapezius & sternocleidomastoid
-Controls swallowing movements |
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Function of (XII) Hypoglossal Nerve
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Controls tongue movements
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Sensory fibers from the structures of the medial canthal area (caruncle, canaliculi, lacrimal sac, medial aspect of eyelids, skin at the side of the nose) join to form what?
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Infra-trochlear nerve
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The infra-trochlear nerve penetrates the orbital septum, enters the orbit below the trochlea, and runs along the upper border of the medial rectus muscle, becoming what?
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Nasociliary nerve
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Sensory fibers from the skin along the center of the nose, the nasal mucose, and the ethmoid sinuses from what?
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Anterior ethmoid nerve
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Fibers from the ethmoid sinuses and the sphenoid sinus form what?
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Posterior ethmoid nerve
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Corneal nerves join nerves from the anterior segment to form what?
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Two long ciliary nerves
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The other branches of the long ciliary nerves that radiate from the cornea into the limbus join other sensory nerves from the anterior segment. They enter the choroid, join with the choroidal nerves, then course to the back of the eye and leave as 6-10 what?
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Short ciliary nerves
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The sensory fibers of short ciliary nerves do not synapse but pass through the ganglion, leaving as what?
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Sensory root of the ciliary ganglion
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CC: A slight variation can occur in the pathway of the long ciliary nerve in which the fibers loop into the sclera from the suprachoroidal space, forming a dome-shaped elevation about 2 mm from the limbus on either the nasal or temporal side. Can be blue or black and may be painful. What is it?
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(Scleral) Nerve Loops (of Axenfield)
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CC: Acute CNS infection caused by the varicella-zoster virus. Signs and symptoms include pain and rash in the distribution area supplied by the affected sensory nerves. What is it?
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Herpes Zoster (Shingles)
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Sensory fibers from the skin and muscles of the forehead and upper eyelid come together and form what?
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Supratrochlear nerve
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Sensory fibers from the skin and muscles of the forehead and upper eyelid form a 2nd nerve lateral to the supratrochlear nerve. What is this nerve?
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Supraorbital nerve
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