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25 Cards in this Set
- Front
- Back
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air embolism
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The presence of air in the veins, which can lead to cardiac arrest if it enters the heart
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anisocoria
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Naturally occurring uneven pupil size
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blowout fracture
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A fracture of the orbit or of the bones that support the floor of the orbit
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conjuctivia
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The delicate membrane that lines the eyelids and covers the exposed surface of the eye
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conjuctivitis
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Inflammation of the conjunctiva
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cornea
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The transparent tissue layer in front of the pupil and iris of the eye
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eustachian tube
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A branch of the internal auditory canal that connects the middle ear to the oropharynx
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external auditory canal
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The ear canal; leads to the tympanic membrane
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globe
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The eyeball
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iris
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The muscle and surrounding tissue behind the cornea that dilate and constrict the pupil, regulating the amount of light that enters the eye; pigment in this tissue gives the eye its color
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lacrimal glands
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The glands that produce fluids to keep the eye moist; also called tear glands
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lens
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The transparent part of the eye through which images are focused on the retina
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mastoid procces
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The prominent bony mass at the base of the skull about 1" posterior to the external opening of the ear
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optic nerve
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A cranial nerve that transmits visual information to the brain
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pinna
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The external, visible part of the ear
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pupil
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The circular opening in the middle of the iris that admits light to the back of the eye
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retina
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The light-sensitive area of the eye where images are projected; a layer of cells at the back of the eye that changes the light image into electrical impulses, which are carried by the optic nerve to the brain
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retinal detachment
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Separation of the retina from its attachments at the back of the eye
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sclera
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The tough, fibrous, white portion of the eye that protects the more delicate inner structures
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sternocleidomastoid muscles
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The muscles on either side of the neck that allow movement of the head
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subcutaneous emphysema
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A characteristic crackling sensation felt on palpation of the skin, caused by the presence of air in soft tissues
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temporomandibular joint
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The joint formed where the mandible and cranium meet, just in front of the ear
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targus
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The small, rounded, fleshy bulge that lies immediately anterior to the ear canal
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turbinates
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Layers of bone within the nasal cavity
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tympanic membrane
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The eardrum; a thin, semitransparent membrane in the middle ear that transmits sound vibrations to the internal ear by means of auditory ossicles
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