A&P Deane III
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| show | the Pinna of the outer ear is important for localization of sound in space.
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| show | Resistance to the flow of energy is called impedance.
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| The area ratio between the tympanic membrane and the oval window provides a ___ dB gain, and the lever advantage gives a ___ dB gain. | show 🗑
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| show | The cochlea performs both spectral analysis and temporal analysis
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| Compression in the fluid of the scala vestibuli is translated directly to the basilar membrane, and the disturbance at the basilar membrane causes the initiation of ____ wave. | show 🗑
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| High frequency sounds are resolved at the base of the cochlea, with progressively lower sounds processed at progressively higher positions on the cochlea. This array is called ____. | show 🗑
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| show | The frequency analysis ability of the basilar membrane is determined by graded width, stiffness, and thickness.
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| At the apex, is the basilar membrane is thinner or thicker than at the base? | show 🗑
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| At the apex, the basilar membrane is wider or narrower than at the base? | show 🗑
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| Are the cilia of the outer hair cells embedded in the tectorial membrane? | show 🗑
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| Are the cilia of the inner hair cells embedded in the tectorial membrane? | show 🗑
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| show | High Threshold neurons require a higher intensity and encompass the higher end of our auditory range of signal intensity.
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| What kind of neurons respond at very low signal levels and display random firing even when there is no stimulus? | show 🗑
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| What refers to the ability of the cochlea to differentiate spectral components of a signal? | show 🗑
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| show | The characteristic frequency of a neuron is the frequency to which it responds best.
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| show | The sharper the tuning curve is, the greater is the Frequency Specificity of the basilar membrane.
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| Rate of firing of neurons increases as ___ increases. | show 🗑
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| Stimulation of the ___ bundle and the ___ bundle reduces the firing rate of neurons innervated by them. | show 🗑
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| show | external auditory meatus
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| What is a conduit for the VIII nerve fibers coursing to the brainstem? | show 🗑
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| show | 3
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| show | The outer layer of the TM is continuous with the Epithelium of External Auditory Meatus
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| The ___ layer of the tympanic membrane is made up primarily radiating fibers. | show 🗑
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| show | The umbo is a landmark produced by the most distal part of the manubrium malli
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| show | malleus bone
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| show | stapes bone
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| show | manubrium
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| show | footplate
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| Which muscle pulls the stapes posteriorly? | show 🗑
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| Which muscle pulls the malleus anteromedially? | show 🗑
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| What is the entry to the cochlea and the vestibular system called? | show 🗑
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| show | The osseous labyrinth is the system of cavities within bone that houses the membranous labyrinth.
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| The scala ___ and scala ___ are incomplete spaces in the osseous labrynth. | show 🗑
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| show | The round window provides communication between the scala tympani and the middle ear.
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| Which window permits communication between the scala vestibuli and the middle ear space? | show 🗑
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| The ___ is a fluid filled sac attached to the walls of the osseous labyrinth and is filled with endolymph. | show 🗑
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| The ___ membrane separates the scala vestibuli and the scala media; the ___ membrane separates the scala media from the scala tympani. | show 🗑
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| show | 3 rows of OHC and 1 row of IHC
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| show | CN VII vestibulocochlear nerve
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| show | head trauma that involves the temporal bone, noise, or high pressure trauma
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| What separates the OHC from the IHC? | show 🗑
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Created by:
MPJ