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22 Cards in this Set

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