Term
Simplest sounds described by frequency,amplitude, phase, and duration |
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Frequency * Perceived as ___ * Normal human range between __ to __ Hz |
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Conventional audiometry -___ to ___ Hz -Low frequencies have a lot of harmonics in it so you can test at a ___ frequency |
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Speech understanding * Most important range ___ to ___ Hz |
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Decibel (dB) * SPL – ___ ___ ___ * HL – ___ ___ * IL – ___ ___ * Logarithmic scale |
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Definition
sound pressure level; hearing level; intensity level |
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___ ___ information is given in SPL |
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Measures the sound and not the perception of the sound |
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Amplitude is measure in ___ |
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dB SPL * Reference value is __ micropascals * Reference value is the ___ for all frequecies |
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dB HL * Reference value is ___ ___ * Reference value is ___ for each frequency because humans have more ___ hearing at some frequencies than at others * Deviation from 0 dB HL at any frequency shows deviation from ___ value |
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Definition
normal hearing; different; sensitive; normal |
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PT Threshold Applications: * ___ of hearing loss * ___ of hearing loss * Estimate degree of ___ * ___ for hearing conservation programs * Monitoring ___ in hearing following treatment or progression of disease * ___ of hearing loss * Candidacy for ___ ___ or ___ ___ * Setting ___-gain characteristics of hearing aids |
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Definition
Type; Degree; handicap; Baseline; changes; Screening; cochlear implant; hearing aid; frequency |
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Tuning Fork Tests: Qualitative information about ___ of hearing loss |
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Tuning Fork Tests: -___ – louder by air conduction or bone conduction -___ – by bone conduction which side seems louder |
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Tuning Fork Tests: * Used to ___/___-___ audiogram * Only __% false positive responses * Approximately __% false negative responses |
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Definition
verify/cross-check; 5; 50 |
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Rinne: * If AC is louder than BC, then the hearing loss is ___ *If BC is louder than AC, then the hearing loss is ___ |
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Definition
sensorineural; conductive |
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Weber: * Conductive hearing loss, sound is lateralized to ___ ear *Sensorineural hearing loss, sound is lateralized to the ___ ear |
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* Assesses entire auditory system from outer ear up *Tested using earphones or speaker |
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Definition
Air conduction audiometry |
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Term
Audiometer: * Generates pure tones of a specific ___ and ___ level and delivered to a specific transducer *4 types -Type I full-featured ___ audiometer -Type 4 is only a ___ device with earphones |
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Definition
frequency; intensity; diagnostic; screening |
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Inserts * Coupled by ___ tip * Higher level of ___ ___ * Reduced need for ___ * Reduced ___ dilemma * Lower ___-___ variability for thresholds 6000-8000 Hz * Easily used with infants and toddlers who won’t tolerate ___ * Higher ___ (disposable foam tips) * Output more ___ |
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Definition
foam; interaural attenuation; masking; masking; test-retest; headphones; cost; limited |
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Term
-Headphones can ___ the ear canal -Headphones are heavier and can get ___ for long periods of time |
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Circumaural Headphones: * Enables ultra high frequency testing – ___-___ Hz *___ the ear |
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Speakers: * Soundfield * Measures ___ hearing ear * Use of particular stimuli -___ noise -___/___ tones * ___ of listener to speaker may effect result * Used for screening ___ or ___ ___ * Used for testing with ___ ___ or ___ ___ patients on listener -If you want to test ___ the sound is coming from |
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Definition
better; Narrowband; FM/warbled; Orientation; infants; cognitively delayed; hearing aid; cochlear implant; where |
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Term
Bone Vibrator: * Designed to apply force to the ___ *15 dB or more difference between air conduction and bone conduction with appropriate masking indicates a ___ hearing loss *Typically placed behind the pinna on ___ ___ |
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Definition
skull; conductive; mastoid process |
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Environment: * Sound-treated chamber with low ___ noise *Not ___-___ *Very important for ___ ___ testing *If testing in another environment, that must be ___ on audiogram |
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Definition
background; sound-proof; BC; noted |
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PT Instructions: * Critical -Thresholds measured using this procedure are biased by ___ of patient -Bias is controlled in the instructions by informing the listener to respond any time they hear any tone no matter how ___ *Include ___ patient will respond *Present ___ placing earphones |
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Definition
willingness; faint; how; before |
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Threshold Measurement: * Usually begins at __ dB HL at ___ Hz *___ ear tested first (to help with masking later) *___ or ___ tone *At least ___ ms *Modified Hughson-Westlake procedure-down ___ and up ___ |
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Definition
30; 1000; Better; Pulsed; steady; 225; 10; 5 |
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If ___ dB or greater difference between octave thresholds, then test inter-octave frequencies |
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something is blocking the energy to be conducted in the outer and middle ear space |
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Air and bone are outside normal limits but no air bone gap |
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Configuration of Hearing Loss: * Flat - <__ dB rise or fall per octave * Gradually falling – __-__ dB increase per octave * Sharply falling – __-__ dB increase per octave * Precipitously falling – flat or ___ sloping, then threshold increase at __ dB or more per octave * Rising - >__ dB decrease per octave * Peaked or saucer – 20 dB or greater loss at the ___ frequencies but not ___-freq * ___ – 20 dB or greater loss in the mid-freq but not at extreme freq * ___ – 20 dB or greater loss at one freq with recovery at adjacent freq |
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Definition
5; 5-12; 15-20; gradually; 25; 5; extreme; mid; Trough; Notched |
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Term
* ___ – one ear *___ ___ – same in both ears *___ ___– one ear worse than the other ear |
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Definition
Unilateral; Bilateral symmetrical; Bilateral asymmetrical |
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Threshold Shift: * Test re-test +/- __ dB *__ dB or more at two adjacent frequencies *__ dB or more at a single frequency |
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Vibrotactile Thresholds: * Vibrations produced by transducer (headphone, insert, bone vibrator) may be perceived through sense of ___ *When threshold obtained is in range of vibrotactile for the transducer and frequency, could be ___ threshold or ___ threshold *Could create ___ air-bone gap in low frequencies |
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Definition
touch; hearing; vibrotactile; false |
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Tinnitus: * Sensation of hearing ___ sounds when no sound is present *Can interfere with ___ of test tones *May have many ___ positive responses *May require addition ___ (wait until you are sure you hear the sound) *May need to ___ ___ of pulsed tones *Medical referral for ringing in ___ ___ |
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Definition
internal; perception; false; instruction; count number; one ear |
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Pseudohypacusis: * ___ hearing loss *___ *___ hearing loss *Intra-test and inter-test inconsistencies that cannot be ___ explained *May be ___ hearing loss for monetary of psychological gain *May have ___ motivations related to psychological problems |
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Definition
Functional; Malingering; Nonorganic; medically; feigning; subconscious |
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* ANSD – ___ ___ ___ ___ *Accounts for approximately __% of hearing loss in children *Poor ___ recognition *Thresholds do not follow any ___ (minimal to profound) *___ audiometric responses *The nerve doesn't ___ the information in a typical way. |
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Definition
auditory neuropathy spectrum disorder; 11; speech; pattern; Inconsistent; transmit |
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Aging: * ___ *___ loss of hearing sensitivity that occurs in most individuals as they grow older *Gently ___, ___-___ sensorineural hearing loss *___ different types of damage to auditory structures |
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Definition
Presbycusis; Gradual; sloping; high-frequency; Several |
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Term
Acoustic Tumors: * ___ is definitive test *___ ___ can be part of a screening procedure *___ or ___ high frequency hearing loss *Asymmetry of __ dB between ears is commonly used |
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Definition
MRI; Puretone audiometry; Unilateral; asymmetrical; 20 |
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Term
Meniere's Disease: * ___ hearing loss *___ *Tinnitus *Aural ___-can indicate a tumor and meniere's disease; pressure in the ear *Takes on average __ year after the first symptom occurs before all symptoms are experienced *Most likely to occur between __-__ years of age *Hearing loss starts in the ___ frequencies |
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Definition
Sensorineural; Vertigo; fullness; 1; 40-69; low |
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Term
NIHL and Acoustic Trauma: * Intense sound can cause permanent or temporary hearing loss due to ___ ___ damage *Characterized by a “___” in the 3000-6000 Hz range *Can be ___ progressive or ___ change |
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Definition
hair cell; notch; slowly; rapid |
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Ototoxicity: * Regular monitoring of ___ ___ thresholds *Allows physician to consider ___ treatment if hearing changes *Usually affects ___ frequency hearing first *___-___frequency audiometry *Otoacoustic emissions |
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Definition
PT; alternate; high; Ultra-high |
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Otitis Media: 40 dB) * Middle ear inflammation -May include middle ear ___ -May be ___ or ___ -Often ___ (non-infected fluid) *Most common medical diagnosis for ___ *Can occur at any ___ *Hearing loss may ___ (usually between 0- *Average HL __ dB |
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Definition
effusion; viral or bacterial; serous; children; age; fluctuate; 25 |
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Term
Tympanic Membrane Perforation: *Causes (3)? *May cause thresholds to vary based on ___ of perforation, ___ of headphone, ___ of perforation |
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Definition
Trauma; disease; surgery; size; type; location |
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