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Anatomy of Audiology


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Created by: rcheek
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baseQuestion: For high frequencies/pitch sounds, the greatest displacement is towards the ____ of the cochlea.21false
tympani1) Scala vestibuli 2) Scala meida (cochlear duct) 3) Scala _____31true
Eustachian tubeQuestion: Another name for the nasopharynx or auditory tube is the41false
Tip linksQuestion: Tops of cilia are filaments that are called81false
contralateralQuestion: Many of the axons that cross the midline synapse at the SOC on the _______ side91false
forceQuestion: pressure is much greater at tip of thumb tac because the _____ is over a larger area, same with TM and stapes101false
Pars FlaccidaQuestion: Schrapnell's membrane, which doesn't have as many fibers and is less tense is called111false
Stria VascularisQuestion: The highly vascularized tissue that plays an extremely important role in function of cochlea. Inside it are iron pumps that maintain ion concentration of K+ and Na+ in Scala media.121false
presentedsounds that occur in the ear canal without acoustic stimulation. These sounds originate in the cochlea and are present even when an external stimulus is not being _____ to the ear.130true
open, down into, NTQuestion: When cilia bend towards outer wall of cochlea, causes K+ ion channels to ____ and K+ moves _____ hair cell, depolarizing hair cell. Charge moves from -40mV to zero. This results in release of ___ into cell which leads to discharge of neuron.151false
characteristicsWhen the stapes pushes down on Basilar membrane (cochlear partition) the compressional wave moving from the base > apex because of tension _____ of Basilar membrane is a movement called the160true
active, mechanicalQuestion: The cochlea is not simply a passive device receiving sound energy, rather it is an ____ system, which adds _____ energy to the transduction process171false
beginning (base)Question: For high frequency sounds the maximum displacement is at the ____ of the basilar membrane.181false
apexQuestion: For low frequencies/pitch sounds, the greatest displacement is towards the ___ of the cochlea.191false
becauseThis tube is slopped down and back and is more subject to collapse to infection in babies than adults _____ it is more horizontal and the milk accumulates in it.200true
cochlear fluidsQuestion: area with relatively high impedance211false
acoustic energyQuestion: acoustic energy is fed into the system, and the system returns...221false
cell bodies, axonsQuestion: This pathway consists of a series of nuclei or groups of ______ ______, and fiber tracts, or groups of _____.231false
Lever HypothesisQuestion: The boost of energy given by the malleus and incus is called the241false
filteringhydromechanics _____261true