What should be done prior to HA fitting to ensure the aid is functioning properly

Measure performance of HA to manu specs

What is the benefit of measuring octave and inter-octave frequencies

The hearing aid fitting potential is optimized

A patient complains their voice echoes and ears feel plugged sound is hollow

Increase Vent, decrease lows, counsel

In general mold modifications are as follows

Venting effects lows, damping mids & horn effects highs

Which pt statement indicates hearing aid fitting has been successful

I am starting to realize how many sounds i have been missing

Which 2 actions should a HIS take before testing an EXISTING patients hearing

Clean hands in front of pt & Clean/replace tip from otoscope

What is EIN a measure of

Noise made by the circuit of a hearing aid.

For a patient who uses HA which location should be easiest for communication and why

A room with drapes and rugs because of absorption

Run straight under the reciever in the mold

A patient comes in complaining background noise is too loud, hearing aid is booming

Decrease gain, Lower MPO, increase CR, Lower CK

What is a CROS used for

One hearing impaired ear transmits it 2 the HA on better ear

During the course of taking a case history which of the following is least important?

Concussion is the last 6 months

What is the cause of BC thresholds being lower than AC thresholds

Oscillator placement, thickness of skull or damage to skull

A patient complains that aids are not loud enough, they sound weak and they are not hearin well

Increase gain, MPO, and LF gain

Where canal narrows to enter temporal bone

What does the microphone do in hearing aids

Transducer that changes acoustic energy-electrical wave form

What does the cochlea do in the hearing process

Fluid filled snail shaped tube that carries sound energy

How does an osteoma present

Bony growth in external auditory canal

What audiometric condition requires a medical referral

Symmetrical SNHL with asymmetrical WR scores

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Written Prep Fitters and Dispensers of Hearing aids

112 termsStudBud Administration46 plays

This study guide is a written prep for the written National board certification exam and the international licensing exam for fitters and dispensers of hearing aids.

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Questions 112

Answers

1
a pt is interested in connectivity and does not want to wear 3rd party what should be offered
Blu-tooth technology
A Iphone becuase all hearing aids are built for iphone
2.4 GHz
Multimemory hearing aids
2
What should be done prior to HA fitting to ensure the aid is functioning properly
Measure performance of HA to manu specs
Complete verification measures
Program aid to user settings
check the aid sn and make sure it matches aids sent
3
What is the benefit of measuring octave and inter-octave frequencies
Better test re-test reliability
The hearing aid fitting potential is optimized
The audiogram appears more professional
Better predictive value for speech audiometry
4
Cochlea can only purify and clarify
Up to 100dB
Up to 70 dB
Up to 90dB
Under 90dB
5
A pt complains fans and furnace sounds are annoying which feature should be adjusted
Expansion
Wind reduction
Noise suppression
Compression Kneepoint
6
What two devices use a 675 battery
BTE and cochlear implants
BTE and Bone anchored aids
BTE and Customs
BTE and RIC
7
A patient complains their voice echoes and ears feel plugged sound is hollow
Provide reading therapy and decrease overall gain
Counsel the patient they will get over it quickly
Increase Vent, decrease lows, counsel
Increase compression ratio and counsel
8
Pt W/ModSNHL has issues in noise HCP ordering canal aid what is to be included to increase SIN
Directional Microphones
Frequency Compression
Extended receiver tubes
Multiple Memories
9
Why is less gain required for a binaural fitting compared to a monaural fitting?
Compression
Binaural Interference
Reduced MPO
Binaural summation
10
Middle ear fluid/significant TM scarring are typically seen with which type of tympanogram
Type C
Type B
Type A
Atypically large ECV
11
Why does the SRT and PTA have to agree
Helps set realistic expectations
Validates the audiogram
Verifies the audiogram
Decides whether masking will be needed
12
A patient presents the following audiogram which of the following can the HIS expect?
Oto-toxicity
presbycusis
Atresia
Serous Otitis media
13
What type of loss is this
Central
Conductive
Mixed
Sensory/Neural
14
Pt comes in complaining his ITC HA worked fine until cleaned, they are weak and feedingback why
debris in microphone
Receiver tubing pushed in
Wax on receiver
microphone pushed in
15
In general mold modifications are as follows
Venting effects Highs, damping mids & horn effects lows
Venting effects mids, damping highs & horn effects lows
damping effects lows, horn effects mids &venting highs
Venting effects lows, damping mids & horn effects highs
16
Which validation method can be effectively performed in a sound field environment
COSI
IHAFF
REIR
NU-6
17
What Type Of slope is this
Gradually sloping
Sharply sloping
Ski slope or precipitous
Markedly Sloping
18
Which pt statement indicates hearing aid fitting has been successful
I like how it looks in my ear
Im glad my test shows im hearing the way im suppose to
I am starting to realize how many sounds i have been missing
These are really comfortable I cant believe its in my ear
19
A patient has a severe to profound loss and doesnt mind a RIC/BTE what mold should be made
Half Shell
Full-Shell
RIC with double dome couplers
IIC
20
Which 2 actions should a HIS take before testing an EXISTING patients hearing
None of the above
All of the above
Clean hands in front of pt & Clean/replace tip from otoscope
Clean patients HA and Clean canal of cerumen
21
A dirty hearing aid is laying on desk would be what type of transmission
Airborne
vectorborne
Direct
In direct
22
Ossicular discontinuity or a large healed perforation will show which type of tympanogram
Type B
Type A
Type Ad
Type C
23
A very vein person comes in with tortuous canals what hearing aid style is best has norm-mod HL
RIC with open domes
BTE with double domes
IIC with large vent
CIC with large vent
24
What is EIN a measure of
Ambient Noise in the test room
Noise made by the circuit of a hearing aid.
Acoustic feedback from the instrument
Distortion caused by a hearing aid.
25
For a patient who uses HA which location should be easiest for communication and why
A room with nothing in it because of diffraction
A hallway or auditorium because of reflection
A room with a lot of furniture in it because of refraction
A room with drapes and rugs because of absorption
26
Parallel vents
Run straight under the reciever in the mold
Type of pressure vent
Are diagonal from the reciever in the mold
Are not visible
27
A patient comes in complaining background noise is too loud, hearing aid is booming
Increase gain lower MPO and CR increase CK
Reduce gain Increase HF and decrease CK
Decrease gain, Lower MPO, increase CR, Lower CK
Increase CK, Lower CR and decrease gain
28
Which of the following up is not prescriptive method
FIG.6
NAL-R
ANSI
IHAFF
29
What hearing aid provides the least amount of occlusion
Half-Shell
Full-shell
IIC
ITC
30
The following graph shows which type of tympanogram
Type As
Type B
Type Ad
Type C
31
What is a CROS used for
When one ear is deaf and the other ear is hearing impaired
When the patient has a unilateral conductive loss
When patient has menieres disease
One hearing impaired ear transmits it 2 the HA on better ear
32
During the course of taking a case history which of the following is least important?
Any unilateral tinnitus experienced
Concussion is the last 6 months
Any vertigo symptoms
Sudden loss of hearing
33
Pt comes in with bilateral HL mod-sev. The pt wants sm HA's. What is appropriate?
CICs with pressure vents
open-fit RIC
BTE with thick tubing and skeleton mold
half shells with small vents
34
What is the cause of BC thresholds being lower than AC thresholds
In a mixed loss this is always the case
When there is a conductive component
Oscillator placement, thickness of skull or damage to skull
BC cannot physically be under air conduction thresholds
35
A patient complains that aids are not loud enough, they sound weak and they are not hearin well
Run LSM and verify patient is meeting fitting targets
Increase gain, MPO, and LF gain
Increase CR decrease LF gain
Increase HF and overall gain
36
What is the isthmus
Where canal narrows to enter temporal bone
Cartilage portion of the ear canal
All of the above
Part of the ossicular chain
37
What is the first thing to do if validation indicates some sounds are too loud?
Decrease the gain of the instrument in high frequencies
Complete verification measures
Decrease gain in the low frequencies
Adjust the compression settings of hearing aids
38
What type of loss is this
Central
Mixed
Sensorineural
Conductive
39
What does the microphone do in hearing aids
Transducer that changes acoustic energy-electrical wave form
Transducer that changes acoustic energy- mechanical waveform
Transducer that changes acoustic energy to electrical energy
Transducer that changes acoustic energy to mechanical energy
40
What recommendation should be given to a patient who has difficulty hearing on cell phone?
Connectivity
ALD
Speech-to-text
Remote Microphone
41
What is the IA for bone conduction
60
0
40
15
42
What does the cochlea do in the hearing process
Fluid filled snail shaped tube that carries sound energy
Gather sound from word and directs it inward
Smallest bones that transmit vibrations
Fluid filled helps maintain balance
43
How much HA gain is achieved a 40dB input signal and a CR of 2:1
30 dB
20 dB
50 dB
10 dB
44
A pt reports on a followup they report no longer hearing startup noise What should be done 1st
Perform video otoscopy
Adjust the high frequencies
Perform Listening check
Clean hearing aids
45
Otoscopy shows moistness in LT ear Which earmold will provide the greatest benefit to the pt
Silicone material
SAV
Acrylic shell
External Vent
46
A patient was referred by DR for asymmetrical SNHL w/very poor WRS what should be recommended
Semi-implantables
Monaural BTE
BiCROS
CROS
47
How does an osteoma present
Bony growth in external auditory canal
Excessive inflammation in external auditory canal
Calcification of TM
Dark irregular demacation of pinna
48
A pt complains the refrigerator and furnace fans sound annoying which feature needs adjusting
Digital Noise supression
MPO
Expansion
Compression ratio
49
Silicone ( soft) material is used for what types of losses
Moderate flat losses
Normal to severe
Mild to moderate
Severe to profound
50
What audiometric condition requires a medical referral
Family history of hearing loss
Pre-auricle pits
Previously documented noise induced hearing loss
Symmetrical SNHL with asymmetrical WR scores
51
A mom comes in worried her hearing is worse since the birth of her first kid which is likely
Otosclerosis
Meniere's Disease
Otitis media
Cholesteatoma
52
During otoscopic inspection which is not a consideration for earmold
Size of the auditory canal
Size of the pinna
Size of the concha bowl
Compliance of tympanum
53
Which hearing instrument component produces gain
A-D converter
Resistor
Amplifier
Transducer
54
A pt has reverse sloping loss & is worried about wearing aids in tight spaces which HA is best
CIC with IROS vents
RIC with open domes
BTE w/ fullshell ear molds and SAV
ITC with 1-millimeter vents
55
Sterilization is used for
Superaural headphones
Foam inserts
Otoscope tips, wax scoopers
Hearing aids
56
What is the IA for AC testing with inserts?
15
40
60
70
57
What is the first step to take when patient complains of feedback?
Perform REM
Replace reciever
Perform Otoscopy
Perform EAA
58
Extending a reciever tube past the isthmus will
Give more power, help with wax problems
Give more HF, Help stop feedback
Give more hf, give more power, help stop feedback
Give more HF, Give more power, help stop feedback help w/wax
59
A .06- .08mm vent is known as
Small vent with minimal effect on frequency response
Pressure vent with significant effect on frequency response
Small vent with no effect on frequency response
Pressure vent no effect on frequency response
60
Acoustic impedance refers to
None of the above
Resistance of sound flow through a mechanism
Easy flow of sound across a surface
Ear canal volume measure with REM
61
What is the configuration of this audiogram
Ski-Slope
Gradually sloping
Markedly Sloping
Steeply Sloping
62
For a person who uses HA what location should be easiest for communication?
A restaurant with high ceilings and tile floors
Room with rugs and drapes
A room where sunlight interferes with seeing the speaker
A car on the freeway
63
What is the masking noise used in air and bone conduction testing
Speech noise
Pink-weighted noise
White noise
Broadband Noise
64
In the matrix 118/45/06 What does the middle number represent
Slope
FOG
MPO
Frequency response
65
What is the degree of this loss
bilaterally Mild to profound
Normal to severe in right ear normal to profound in the left
Bilateral Normal to moderate-Severe
Normal to profound in the right ear Normal to severe in left
66
Which of the following is not a concern in pure tone audiometry
Otosclerosis
Impacted cerumen
Collapsed external auditory meatus
Congenital atresia
67
A large dip in the 6000Hz in one ear only with a positive tone decay is indicative of?
Industrial deafness
Possible retrocochlear tumor
Acute otitis media
Acoustic Trauma
68
Mrs. Case has custom HA's she is having trouble with excessive chewing noise what is best to do
Decrease kneepoint
Increase compression
Increase noise reduction
Increase vent
69
What recommendation should be made for a patient will difficulties on cell phone
Remote Mic
Speech-Text
Connectivity
ALD
70
A pt is fit with slim tube BTE, Probe tube measures are below target What is another option?
fit the patient/client with RIC hearing instruments
refer the patient/client to a physician
change slim tube BTEs' open domes to double domes
change to RICs with custom earmolds and medium vents
71
A patient with a mild-severe SNHL has arthritis but is not vein what is best for this pt
Full-Shell
Skeleton or semi-skeleton mold
IIC
Half-Shell
72
You have a patient that has unilateral loss unaidable what do you fit him with
RIC
Bone anchored
CROS
BICROS
73
Why are recorded material used for WRS and SRT?
The impact of technical issues on measurements is minimized
SRT and WRS can be tested simultaneously
Better test re-test reliability
Masking is not needed for NTE when recorded material is used
74
What is HHIE used for
Learning sign language
Auditory Rehabilitation
Measure feelings and thoughts about hearing loss
Hearing handicap inventory for elderly
75
Characteristics of type As tympanogram are
May result in ABG, Atypical high PMC, TPP norm, ECV Norm
May result in ABG, atypical low PMC, TPP Normal, ECV Normal
Air bone gaps are typical, No PMC-flat,No TPP, Atypical ECV
Unpredictable impact on hearing, no peak, normal
76
Which two tasks should the hearing healthcare professional perform for this patient/client?
counsel on lack of benefit of HA's in quiet environments
fit monaurally with a RIC in the left ear
counsel regarding benefit of HA'sin noisy environments
counsel regarding benefit of HA's in noisy environments
77
An ITE or canal aid has internal feedback when
receiver tubing is not completely sealed to the sound bore
The vent size is too large
The receiver tubing has excess wax
Patient loses weight
78
Acrylic (hard) material is used for what types of losses
Severe to profound
Mild to to moderate
Mild to profound
Normal to moderate
79
Deep mircophone placement offers what advantage
Natural HF emphasis between 2700-400Hz
Reduction of occlusion effect
Less gain requirements
Natural HF emphasis between 3000-8000 Hz
80
What is the degree of this loss
Mild to moderate-moderately severe
Normal to severe
Normal to moderate
Mild to moderate
81
Skeleton ear molds fit which loss range
Mild-Severe
Mild-Moderate
Normal-Severe
Mild-Profound
82
What is the IA when testing AC with headphones
70
15
40
60
83
Which of the following Real Ear Targets has been documented to best for non-linear HA
DSL (I/0)
NAL-Revised
None have been proven to be better than the other
IHAFF
84
The greater conductive loss will show up during this test
Weber-volley
MCL
Weber
PB max
85
What does the ossicular chain do in the hearing process
Makes sense of what we hear
Fluid filled tubes that help maintain balance
Three bones that move energy through middle ear
Carries sound from outer ear to ear drum
86
Otosclerosis and ossicular fixation can be seen with which type of tympanogram
Type Ad
Type B
Type C
Type As
87
Masking rules for Air Conduction
Both A and B
When AC threshold of TE and AC threshold of NTE differ 40+
When AC scores are asymmetrical
When BC thresholds and AC thresholds differ by 40+
88
Acoustic energy
Refers to vibrations of sound, enhanced by pinna & ear canal
Refers to vibration of sound enhanced by the pinna &ear drum
The vibrations of sound enhanced by ear canal &ear drum
The vibration of sound enhanced by ossicles and cochlea
89
Middle ear muscle reflex is called
Acoustic audiometry
Acoustic impedance
Acoustic energy
Acoustic Reflex
90
For a pt with a precipitous HF loss what coupler should be used with the RIC and S reciever
Open coupler
Semi-open coupler
Occluding coupler
Double Coupler
91
A pt's family wants to learn effective communication strategies What should be recommended
A LACE program
Auditory training
A hearing aid
An AR program
92
Which two characteristics of hearing aids should be prioritize when choosing amplifications
Volume control and battery
Size of hearing aid and volume control
Autocoil and battery size
93
Output is
The softest sound the hearing aid can produce
The highest intensity that the hearing aid can produce
The natural gain the hearing aid can produce
The output is the sound leaving the aid
94
Deeper reciever placement offers what advantages
Natural HF emphasis 2700-4000 Hz
Increased head room with undistorted output
Decrease in occlusion effect
Reduction of background noise
95
Primary function of the middle ear is to match impedance of outer ear by
Equalizing pressure at stapes footplate
Decreasing pressure at stapes footplate
Increasing pressure at stapes footplate
Middle ear cannot match impedance of outer ear
96
What frequencies are used to calculate a high frequency average?
500 Hz, 1k Hz, 2k Hz
1k, 1500 Hz, 2500 Hz
1K Hz, 1600 Hz, 1500 Hz
1K Hz, 1600 Hz, 2500 Hz
97
Retracted TM negative middle ear pressure is seen in which tympanogram
Type C
Type A
Type B
Atypically large ECV
98
Which device would be best for a pt with a lt corner audiogram and a sev-prof in the other ear
S BTE with custom mold
BICROS
Bone conduction hearing aid
CROS
99
What are the characteristics of SRT words
Spondee words, 2 syllables
Phonetically balanced 2 syllable words
Used to determine directional microphones
None of the above
100
A pt with arthritis and macular degeneration with dexterity problems What should HIS do
Offer Bi-Cross
Recommend RIC
Recommend ITE
Reccomend Recharable RIC
101
Which sound field test should be used to evaluate the benefit of directional microphones
Quick Speech in noise
Connected speech test
Speech perception in Noise
Hearing in noise test
102
Pt has flat moderate loss and aesthetic hands which 2 styles would work with this patient
BAHA and semi-implantable
CIC and BAHA
ITC and IIC
CIC and RIC
103
small diameter tubing has greater effect on what
Increases High frequency gain
Decreasing the gain of low frequencies
Decreases High frequency gain
Increasing the gain of the low frequencies
104
sneezing and coughing are examples of what kind of transmission is this
Airborne
Droplet
Indirect contact
Direct contact
105
Which two test would best validate a fitting
LSM and SRT
COSI and APHAB
REUR and COSI
APHAB and REUR
106
What is the degree of loss in this audiogram
Right ear is normal to severe left ear is mild to profound
Bilateral Mild- moderate
Bilateral normal to profound
Rt ear mild to severe Lt ear mild to profound
107
Which test would best predict the SNR necessary for understanding speech normally in noise
Word Recognition
QuickSIN
None of the above
SRT
108
Full-shell ear molds fit what loss range?
Moderate-Profound
Severe-Profound
Mild-Severe
Mild-profound
109
What hearing aid component produces gain
Transducer
Resistor
A-D converter
Amplifier
110
The most common cause of sudden loss of hearing in the 4000Hz is?
Presbycusis
Acoustic Trauma
Noise induced
Acoustic neuroma
111
A y-vent is also called
a diagonal vent
An interventral vent
A cross vent
A pressure vent
112
Non-Linear Amplification
Is utilized 2 make soft sounds audible loud sounds tolerable
Used because hearing is non-linear
Utilized to suppress background noise and clarify speech
None of the above

Written Prep Fitters and Dispensers of Hearing aids Flashcards | StudBud