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Chapter 3 (part 3)

Intro Audiology (Exam 2)

QuestionAnswer
What are possible sensorineural hearing loss pathologies? presbycusis, Meniere's disease, meningitis, and noise exposure
What is presbycusis? age related hearing loss
What is the site of pathology for conductive hearing loss? outer and/or middle ear
What are possible conductive hearing loss pathologies? atresia, anotia, TM perforations, collapsed ear canals (due to supra-aural headphones), impacted/excessive cerumen)
What is the site of pathology for a conductive hearing loss? outer ear and/or middle ear AND inner ear/auditory nerve
What is the site of pathology for a sensorineural hearing loss? inner ear/auditory nerve
What is the configuration of a hearing loss? the pattern or shape of the hearing loss?
What is a flat configuration? all thresholds are within 20 dB of each other
What is a sloping configuration? more hearing loss in the higher frequencies
What is a noise notch configuration? a dip in HL around 4 kHL (common with noised induce hearing loss)
What are the more common types of configurations? flat, sloping
What is a rising configuration? more hearing loss in the lower frequencies
What is a corner configuration? only the bottom left corner of the audiogram has response thresholds
What is a cookie bite configuration? au-shape, sloping in the mid frequencies, mid frequencies have poor thresholds than the high or low frequencies
What configurations are seen in genetic conditions? cookie bite, rising
What is a reverse cookie bite configuration? upside down u-shape, mid frequencies have the best thresholds
What is a precipitously sloping configuration? drop insensitivity from one frequency to its adjacent frequency is greater than 20 dB
What is Ear/symmetry of hearing loss? compares hearing of one ear to the other ear
What is a bilateral hearing loss? hearing loss in BOTH ears, can be different degree/type, but happens in both ears
What is a unilateral hearing loss? hearing loss in only ONE ear
What is symmetrical hearing loss? hearing loss is the same in both ears
What is asymmetrical hearing loss? hearing loss is in both ears, but the degree differs between ears
What makes a hearing loss symmetric or asymmetric? the underlying cause of the hearing loss
What is a fluctuating hearing loss? hearing can get better or worse at times, seen in menier's disease
What is a stable hearing loss? remains generally the same over time
What is a progressive hearing loss? hearing loss that becomes worse over time (also called gradual)
What is a sudden hearing loss? occurs quickly, often a result of head trauma or tumor on the auditory nerve
What should you include from pure tone testing? type of HL, degree of HL, configuration of HL, bilateral vs. unilateral, symmetry of HL
What is Pure tone Average? a calculation that provides the average of pure tone responses for each individual ear
What is pure tone Average used for? to compare to speech testing results, qualification requirements (some insurances or disabilities), gain an overall impression of the degree of communication impact imposed by the hearing loss
What is the tradition Pure tone Average? 3 frequency PTA
What is the 3 frequency PTA? average threshold response at 500, 1000, and 2000 Hz
What is the 2 frequency PTA? average threshold response at 500 and 1000 Hz
What is the 4 frequency PTA? average threshold response at 500, 1000, 2000, and [3000 or 4000] Hz
Where are high frequencies found in the cochlea? at the base
Created by: hrshook0104
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