Audio Final Word Scramble
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Masker for pure tone stimuli | Narrow band noise |
What is used a a masker for speech stimuli? | Speech noise |
Warble pure Fm is used in what population? | pediactric |
Pulsed tone is used in what population? | adults |
A device capable of vibrating when activated by an electrical signal | transducer |
what separates the scala vestibuli from the scala media? | reissners membrane |
what separated scala media fro scala typmani? | basilar membrane |
Frequecies tested for AC? | 250,500,1000,2000,3000,4000,6000,8000 HZ |
When do you test for half octaves? | more than a 20 db differece between octaves |
Frequencies tested for BC | 250,500,1000,2000,3000, and 4000 |
What does the MODIFIES HUGHSON-WESTLAKE TECHNIQUE consist of? | UP 5, DOWN 10 |
Visual reinforcement Audiometry tests what population? | 6 months to 2 years |
What modifications can be done for V.R.A? | up 10 down 20 |
AIR CONDUCTION TRANSDUCERS test what Hz? | 250-8000 |
AC Db testing? | -10 - 110 Db |
BONE CONDUCTION tests what Hz? | 250-4000Hz |
BC tests for what Db? | -10 to 50-80 Db |
Patients hearing loss is based on what results? | AIR CONDUCTION RESULTS |
AIR CONDUCTION looks at what part of the ear? | whole auditory system |
Bone conduction looks at what part of the ear? | Inner ear |
Normal hearing consists of _______ db or less | 10 |
All thresholds are ____ for normal hearing | 25 Db or less. |
Sensorineural hearing loss occurs in what part of the ear? | inner ear |
Air and bone gap are 10 Db or less,but some threshold are worse that 25 Db. | Sensorineural hearing loss |
Conductive hearing loss occurrs in the outer ear only? | true |
Air bone gaps and BOne conduction for CHL? | greater than 10 db , less than or = to 25 Db |
Air bone gap for MIxed hearing loss? | greater than 10 db and bone conuduction greater than 25 Dbhl |
Conditioned play Audiometry deals with what population? CAN IT BE TESTED BY AB AND BC? | 2-4 YEARS. YES |
Right ear is what color? | RED |
Left ear is what color? | BLUE |
Bone conduction RIGHT UNMASKED | < |
BC Right masked | [ |
BC left unmasked | > |
BC left masked | ] |
AC UNmasked left? | x |
AC UNmasked Right? | o |
Masking is needed when there is a ____ DB difference ( in both ears) in AURAL HEADPHONES | 40 |
Masking is needed for inserts when? | difference of 55-60 db |
Masking is needed for bone conduction when? | difference of 15 or more between the air and bone conduction scores of the ear tested |
What noise is used for AC and BC conduction? | narrow band noise |
Normal hearing loss is between ___ and ___ | 0 and 25 |
Mild hearing loss __ and __? | 26 and 40 |
Moderate hearing loss is between ___ and __? | 41-55 |
Moderate/ severe is between ___ and ___? | 56 and 70 |
Severe is between ___ and ___? | 71 and 90 |
Profound is ? | 71 + |
Bilateral hearing loss is ? | similar results in both ears |
unilateral hearing loss is ? | hearing loss in only one ear |
vibro-tactile means? THEY OCCUR MOSTLY BETWEEN WHAT THRESHOLD? | feeling the vibrations rather than hearing it. 250 AND 500 HZ |
what transducer closes off the ear canal? | supra-aural |
Pure Tone Average.AC? | 500,1000,2000 Hz |
Cross Hearing is? | signal delivered to the test ear is heard in the non test ear. |
Bone conduction hearing is placed on the? What does it stimulate? | mastoid process. BOTH COCHLEA'S |
Interaural Attenuation AC SUPRA-AURAL HEADPHONES | 40dB |
Interaural Attenuation: AC insert earphones | 55 dB |
InterAural Attenuation: BONE CONDUCTION VIBRATOR | 0Db |
oCCLUSION EFFECT happens with what transducer? | supra-aural headphones |
OE values 250 Hz =?? | 20dB OE |
OE values 500 Hz= ?? | 15 OE |
1000 Hz = ___ OE? | 5 dB |
When testing, what Hz do you set it too via the speech channel? | 1000 Hz |
what are spondee words? | two syllable compound words |
Speech recognition threshold should be within ___ of the best pta | 7 |
WHAT IS speech detection threshold? | lowest level patient can JUST detect the speech. ( 5-10 DB LOWER THAN SRT) |
What is MCL? | Most comfortable level= 40-50db |
VOWELS are ____ frequency, ____ intensities | low, high |
CONSONANTS are ____ frequencies, ____ intensities. | high, low |
What is UCL? | uncomfortable loudness = 75-95 dB |
What does Supra-Threshold Recognition ? | evaluates how well a person can hear above SPEECH RECOGNITION THRESHOLD |
What is the plateau method? | used for masking |
What is the best indicator of hearing loss in children? | SRT |
When is the only time you have to mask for SRT? | IF YOU HAD TO MASK FOR AC TESTING |
A speech masker is out in the non test ear 20 db below of the words being presented in the | TEST EAR |
What is an example of a tuning fork test? | Rinne Test |
What does the Rinne test compare? | air conduction to the bone conduction resonses |
How is the Rinne performed? | placing the tuning fork on mastoid and then in front of the ear canal. |
What does the WEBER test? | lateralization/placed on forehead |
If the examiner hears the noise longer than the patient, hearing loss is __________ SCHWABACH | Sensorineural |
If the patient hears it longer, hearing loss is ______ SCHWABACH | CONDUCTIVE |
THe SCHWABACH relies on?? | the examiner having normal hearing |
BING test is based on the | occlusion effect |
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