Term
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Definition
| 1) Conducts sound vibrations from outer ear to the central hearing apparatus in the inner ear. 2) protects inner ear by reducing amplitude of loud sounds 3) eustachian tube allows equalization of air pressure on each side of the tympanic membrane so that the membrane does not rupture |
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Term
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Definition
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Term
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Definition
| Mechanical dysfunction of the external or middle ear |
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Term
| Sensorineural Hearing Loss |
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Definition
| Indicates pathology of the inner ear, cranial nerve VIII or the auditory areas of the cerebral cortex |
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Term
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Definition
| A combination of conductive and sensorineural types in the same ear |
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Term
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Definition
| Common cause of hearing loss for young adults between ages of 20-40, gradual hardening that causes the footplate of the stapes to become fixed in the oval window, impeding transmission of sound. |
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Term
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Definition
| type of hearing loss that occurs in 60% of those older than 65. Gradual sensorineural loss caused by nerve degeneration in the inner ear |
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Term
| Progression of presbycusis |
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Definition
| 1)high frequency sounds become hard to hear 2)harder to hear consonants than vowels 3)Much speech information is lost and words sound garbled |
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Term
| Predispositions for otitis media |
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Definition
| 1)absence of breastfeeding in the first three months 2)exposure to tobacco smoke 3)daycare attendance 4)male gender 5)pacifier use 6)seasonality 7)underlying disease |
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Term
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Definition
| Eardrum. shiny, translucent, pearl gray |
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Term
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Definition
| 5 o'clock position in the right drum, 7 o' clock position in the left drum. Reflection of otoscope light |
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Term
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Definition
| Mask one ear while whispering three random letters or numbers into the other one to test for hearing acuity. Should be able to repeat each sound after you say it. |
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Term
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Definition
| Performed if the patient already knows/suspects hearing loss |
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Term
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Definition
measure hearing by air conduction (AC) or bone conduction (BC). Ac usually more sensitive
Weber on top of the head, Rinne tested at the mastoid process |
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Term
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Definition
| assesses the ability ofthe vestibular apparatus in the inner ear to help maintain standing balance |
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Term
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Definition
| inserted surgically into the eardrum to relieve middle ear pressure and promote drainage of chronic ear infections |
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