Chapter 17 Pathology- Ear Flashcards

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1
Q

acoustic neuroma

A

benign tumor arising from the acoustic vestibulocochlear nerve (eighth cranial nerve) in the brain

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2
Q

cholesteatoma

A

collection of skin cells and cholesterol in a sac within the middle ear

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3
Q

deafness

A

loss of the ability to hear

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4
Q

meniere disease

A

disorder of the labyrinth of the inner ear; elevated endolymph pressure within the cochlea (cochlear hydrops) and semicircular canals (vestibular hydrops)

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5
Q

otitis media

A

inflammation of the middle ear

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6
Q

otosclerosis

A

hardening of the bony tissue of the middle ear

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7
Q

tinnitus

A

sensation of noises (ringing, buzzing, whistling, booming) in the ears

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8
Q

vertigo

A

sensation of irregular or whirling motion either of oneself or of external objects

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9
Q

audiometry

A

testing the sense of hearing

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10
Q

cochlear implant procedure

A

surgical insertion of a device that allows sensorineural hearing-impaired persons to understand speech

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11
Q

ear thermometry

A

measurement of the temperature of the tympanic membrane bu detection of infrared radiation from the eardrum

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12
Q

otoscopy

A

visual examination of the ear canal with an otoscope

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13
Q

tuning fork test

A

test of ear conduction using a vibrating source

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