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15 Cards in this Set
- Front
- Back
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Which population is the ABR commonly used to test electrical activity in the auditory nerve, brainstem and cortical areas of the brain?
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Infants
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Term referred to as a transfer of acoustic energy from the external ear canal to the tympanic membrane
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Acoustic Immitance
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What is the function of the speech audiometry?
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Speech audiometry measures how well someone understands soeech and is able to discriminate between speech sounds
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Testing that assesses the sensitvity of the sensorineural part of the auditory mechanism
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Bone conduction
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At what frequencies do Audiologist conduct pure tone hearing test?
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1000, 2000, 4000 and 8000
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In hearing screenings, at what dB and frequency are pure tones tested?
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20-25dB; 500, 1000, 2000, 4000
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What do air-bone gaps signify?
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the difference between a bone conduction threshold and air conduction at a particular frequency, indicating a conductive hearing loss if gaps are than 10dB or greater
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Structure responsible for maintaining equal pressure within and outside the middle ear
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Eustachian tube
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Structures responsible for dampening the vibrations of the tympanic membrane nad the ossicular chain
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tensor tympani and stapedius muscles
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The vestibular system is responsible for
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balance, movement and body posture
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Type of hearing loss that is permanent due to damaged hair cells and acoustic nerve
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Sensorineural
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Type of loss when the middle ear and inner ear does not function correctly
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Mixed hearing loss
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Type of loss resulting in damage to the nerve fibers in the ascending auditory pathways and is typically caused by unilateral tumors or acoustic neuromas
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Retrocochlear
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Electronic devices surgically placed in the cochlea of deaf patients
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Cochlear implant
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Hearing loss at an older age
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presbycusis
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