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22 Cards in this Set
- Front
- Back
T/F: A congenital disorder may have a genetic origin
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True
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T/F: Sensorineural hearing loss is permanent
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True
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T/F: Conductive hearing loss is theoretically medically treatable
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True
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T/F: Maximum damage to the conductive structures results in a profound hearing loss
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False
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T/F: Maximum damage to the sensory neural structures results in a profound hearing loss
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True
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T/F: CNVIII consists of the cochlear nerve, vestibular nerve, and facial nerve
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False
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T/F: The cochlear portion of CNVIII is made up of 5 bundles or branches
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False
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T/F: A disruption in the normal cochlear physiology can be cause by a muted gene
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True
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T/F: Air conduction testing is necessary to tell if a hearing loss is conductive or sensorineaural
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False
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T/F: 0dBHL on the audiogram means the absence of sound
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Falso
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What are the 5 cardinal signs of ear pathology?
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Tinnitus, hearing loss, otorhhea, otalgia, and dizziness
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Cochlea matures at what age?
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5 months gestations
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Pinna reaches adult size at what age?
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9-12 years of age
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Ossicles mature at what age?
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5 months gestation
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When we find a hearing loss by air conduction where could the loss originate from?
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cochlea, CNVIII, ossicles, or eardrum
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When we find a hearing loss by bone conduction, where might the loss originate from?
(vibrating skull) |
Cochlea and/or CNVIII
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Bone conduction thresholds equal air conduction thresholds, what type of hearing loss does this result indicate
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sensorineaural
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what are the audiometric air conduction symbols for the right ear and the left ears
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Right = O
Left = X |
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what coulor should the right and left ears be on an audiogram
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Right = Red
Left = Blue |
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what is the average decibel range for normal hearing (dB)
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0 - 25dB
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what is decibel range for a severe loss range (dB)
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70 - 90dB
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when we describe a hearing loss we always begin our description referring to the high or low frequencies?
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High frequencies
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