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Puretone Audiometry
Audiology 1
44
Audiology
Graduate
10/08/2016

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Term
Simplest sounds described by frequency,amplitude, phase, and duration
Definition
Puretones (PT)
Term
Frequency
* Perceived as ___
* Normal human range between __ to __ Hz
Definition
pitch; 20; 20,000
Term
Conventional audiometry
-___ to ___ Hz
-Low frequencies have a lot of harmonics in it so you can test at a ___ frequency
Definition
250; 8,000; higher
Term
Speech understanding
* Most important range ___ to ___ Hz
Definition
100; 6,000
Term
Decibel (dB)
* SPL – ___ ___ ___
* HL – ___ ___
* IL – ___ ___
* Logarithmic scale
Definition
sound pressure level; hearing level; intensity level
Term
___ ___ information is given in SPL
Definition
Hearing aid
Term
Measures the sound and not the perception of the sound
Definition
Intensity Level
Term
Amplitude is measure in ___
Definition
dB
Term
dB SPL
* Reference value is __ micropascals
* Reference value is the ___ for all frequecies
Definition
20; same
Term
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
Definition
normal hearing; different; sensitive; normal
Term
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
Definition
Type; Degree; handicap; Baseline; changes; Screening; cochlear implant; hearing aid; frequency
Term
Tuning Fork Tests:
Qualitative information about ___ of hearing loss
Definition
type
Term
Tuning Fork Tests:
-___ – louder by air conduction or bone conduction
-___ – by bone conduction which side seems louder
Definition
Rinne; Weber
Term
Tuning Fork Tests:
* Used to ___/___-___ audiogram
* Only __% false positive responses
* Approximately __% false negative responses
Definition
verify/cross-check; 5; 50
Term
Rinne:
* If AC is louder than BC, then the hearing loss is
___
*If BC is louder than AC, then the hearing loss is
___
Definition
sensorineural; conductive
Term
Weber:
* Conductive hearing loss, sound is lateralized to
___ ear
*Sensorineural hearing loss, sound is lateralized
to the ___ ear
Definition
poorer; better
Term
* Assesses entire auditory system from outer ear
up
*Tested using earphones or speaker
Definition
Air conduction audiometry
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
Definition
frequency; intensity; diagnostic; screening
Term
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 ___
Definition
foam; interaural attenuation; masking; masking; test-retest; headphones; cost; limited
Term
-Headphones can ___ the ear canal
-Headphones are heavier and can get ___ for long periods of time
Definition
collapse; uncomfortable
Term
Circumaural Headphones:
* Enables ultra high frequency testing – ___-___ Hz
*___ the ear
Definition
8000–20,000; Covers
Term
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
Definition
better; Narrowband; FM/warbled; Orientation; infants; cognitively delayed; hearing aid; cochlear
implant; where
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 ___ ___
Definition
skull; conductive; mastoid
process
Term
Environment:
* Sound-treated chamber with low ___
noise
*Not ___-___
*Very important for ___ ___ testing
*If testing in another environment, that must be
___ on audiogram
Definition
background; sound-proof; BC; noted
Term
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
Definition
willingness; faint; how; before
Term
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 ___
Definition
30; 1000; Better; Pulsed; steady; 225; 10; 5
Term
If ___ dB or greater difference between octave
thresholds, then test inter-octave frequencies
Definition
20
Term
something is blocking the energy to be conducted in the outer and middle ear space
Definition
Conductive HL
Term
Air bone gap
Definition
Mixed HL
Term
Air and bone are outside normal limits but no air bone gap
Definition
Sensorineural HL
Term
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
Definition
5; 5-12; 15-20; gradually; 25; 5; extreme; mid; Trough; Notched
Term
* ___ – one ear
*___ ___ – same in both ears
*___ ___– one ear worse than the other ear
Definition
Unilateral; Bilateral symmetrical; Bilateral asymmetrical
Term
Threshold Shift:
* Test re-test +/- __ dB
*__ dB or more at two adjacent frequencies
*__ dB or more at a single frequency
Definition
5; 10; 20
Term
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
Definition
touch; hearing; vibrotactile; false
Term
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 ___ ___
Definition
internal; perception; false; instruction; count number; one ear
Term
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
Definition
Functional; Malingering; Nonorganic; medically; feigning; subconscious
Term
* 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.
Definition
auditory neuropathy spectrum disorder; 11; speech; pattern; Inconsistent; transmit
Term
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
Definition
Presbycusis; Gradual; sloping; high-frequency; Several
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
Definition
MRI; Puretone audiometry; Unilateral; asymmetrical; 20
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
Definition
Sensorineural; Vertigo; fullness; 1; 40-69; low
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
Definition
hair cell; notch; slowly; rapid
Term
Ototoxicity:
* Regular monitoring of ___ ___ thresholds
*Allows physician to consider ___
treatment if hearing changes
*Usually affects ___ frequency hearing first
*___-___frequency audiometry
*Otoacoustic emissions
Definition
PT; alternate; high; Ultra-high
Term
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
Definition
effusion; viral or bacterial; serous; children; age; fluctuate; 25
Term
Tympanic Membrane Perforation:
*Causes (3)?
*May cause thresholds to vary based on ___ of
perforation, ___ of headphone, ___ of perforation
Definition
Trauma; disease; surgery; size; type; location
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