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cjl410
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What is the oculomotor nerve?
The 3rd cranial nerve that innervates the muscles that cause motion of the eyeballs and upper lids.
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What is the cornea?
Transparent and overlies the iris and pupil. Clouding causes cataract.
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What is the iris?
Pigmented portion of the eye that surrounds the pupil. Contracts and expands to regulate the size of the pupil.
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What is the pupil?
Circular adjustable opening within the iris through which light passes to the lens. The hole that gets bigger or smaller because the iris expands or contracts.
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What is the retina?
Extends from optic nerve and receives light impulses.
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What is vitreous humor?
Jelly-like substance that maintains the shape of the globe.
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What is diabetic retinopathy?
One in three diabetics older than 40 have it. Visual disturbances, blurred vision, floaters, blindness.
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What is dysconjugate gaze?
Discoordination between the movements of the two eyes.
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What is the adnexa?
Surrounding structures and accessories of the eye.
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Why do you cover the eye?
Prevent sympathetic eye movement.
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What is chalazion?
Small swollen bump or pustule on the external eyelid.
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What is a hordeolum?
Red, tender lump in the eyelid or at the eyelid margin due to a blocked oil duct.
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What is hyphema?
Bleeding into the anterior chamber of the eye?
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What is papilledema?
Swelling or inflamation of theoptic nerve at the rear part of the eye.
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What is cerumen?
Ear wax, found in the outer ear.
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What is labryinthitis?
Feeling of vertigo or loss of balance after ear infection.
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What is meniere disease?
Inner ear disorder affecting >50yos in which endolymphatic rupture creates increased pressure in the cochlear duct.
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What is epistaxis?
Nosebleed. Place in sitting position, leaning forward, and pinch nostrils together. Do not blow nose or sniffle.
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What is sinusitis?
Thick nasal discharge, facial pressure, headaches.
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What are alveoli?
Bony sockets for the teeth that reside in the mandible and maxilla.
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What is the hypoglossal nerve?
Cranial nerve 12 - motor function to the muscles of the tongue.
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What is the glossopharyngeal nerve?
Cranial nerve 9 - Taste sensation to the posterior of the tongue and carries parasympathetic fibers to the salivary glands on each side of the face.
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What is the trigeminal nerve?
Cranial nerve 5 - motor innervation to mastication.
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What is the facial nerve?
Cranial nerve 7 - Motor activity of facial expression, sense of taste to anterior 2/3rds of tongue and cutaneous sensations to tongue and palate.
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What is a dental abscess?
Bacteria growth spreads directly from the cavity into the gums, facila tissue ,and bones, and/or neck.
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What is thrush?
Yeast infection that causes white patches in the mouth or tongue.
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What is leukoplakia?
Smoker's disease that causes excess cell growth in the mouth, cheek, gums, and presents as white patches.
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What is epiglottis?
Inflammation of the epiglottis (the flap at the base of the tongue that covers the trachea). It swells and can block the airway.
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What is dysphagia?
Painful swallowing, stridor.
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What is TMJ?
Temporomandibular joint. Allows movement of the mandible to chew, talk. If the disk erodes or is injured, it can go out of alignment.
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