Exam
Which type of hearing loss shows an air-bone gap on an audiogram
A Sensorineural
B Conductive
C Mixed
D Central Auditory Processing
C Mixed
A conductive component creates an air-bone gap, mixed has both A and B
1 Which structure is responsible for converting mechanical energy into neural impulses
A Tympanic Membrane
B Basilar Membrane
C outer Hair Cells
D Inner hair cells
D Inner hair cells
6 A noise notch at 4 kHz is associated with
A Presbycusis
B Meniere's Disease
C Noise exposure
D Ototoxicity
C Noise exposure
11 An air-bone gap of 20 bd at multiple frequencies indicates:
A Sensorineural loss
B Conductive loss
C Mixed
D Nonorganic
B Conductive
16 The masked symbol for bone conduction in the left ear is
A >
B <
C ]
D [
C ]
21 A patient reports tinnitus and aural fullness with fluctuating low frequency loss, likely cause
A Otoaclerosis
B Noise Trauma
C Meniere's
D Age related hearing loss
C Meniere's
26 The Microphone in digital hearing aid coverts
A Mechanical->Electrical
B Electrical->Acoustic
C Acoustic -> electrical
D Digital -> Analog
C Acoustic -> Electrical
31 The most feedback prone hearing aid is
A CIC
B RIC
C BTE
D ITE
B RIC
What fitting rationale is common for adults with SNHL
NAL-NL2
Satisfied vs Dissatisfied patients; most effective counseling approach
Realistic expectation and communication strategies
Patients SRT is 30 dB HL, but they cannot repeat words until 70 dB. What is this
Possible functional hearing loss
For speech masking: initial level
SRT(NTE)+10
Why would you choose a BTE over an ITE for severe loss
Higher output and lower distortion, better feedback control
What is REIG
Real ear insertion gain-aided response-unaided response
Occulsion only when speaking loudly suggests
vent too small
A patient's SRT is 40 dB HL. At what level should you present word-recognition testing
A 40Db HL
B 55 dB HL
C 70 dB HL
D 90 dB HL
C. SRT + 30 dB is typical
Word_Rec is usually presented 30-40 db above srt unless loudness discomfort requires adjustment
2 The Stapedius muscle contracts in response to
A High frequency signals
B Loud Sounds
C Head Movement
D Pressure Changes
B Loud Sounds
7 Which freq region is responsible for speech clarity
A 125-250 hz
B 250-500 hz
C 1000-2000 hz
D 2000-4000 hz
D 2000-4000 hz
12 Bone conduction thresholds reflect
A Outer ear fuction
B Middle ear function
C Cochlear and neural fuction
D Conductive pathways
C Cochlea and neural function
17 The primary reason to mask is to
A Reduce ambient noise
B Prevent cross hearing
C Improve comfort
D Increase loudness
B Prevent cross hearing
22 A patient responds when no tone is presented. This is known as a
A Recruitment
B Auditory Fatigue
C False-positive
D False-negative
C False-positive
28 A patient says voices sound "tinny" Likely issue
A low frq gain too high
B High freq gain too high
C Receiver blocked
D feedback
B High frq gain too high
32 Real ear measurements verify
A Battery Life
B Fit and output in the ear canal
C Warrenty coverage
D Telecoil performance
B Fit and output in the ear canal
What fitting rationale is common for children with SNHL
DSL v5 (more audibility for soft speech)
If UCL = 95 dBHL and threshold = 55 dB hl, what is the dynamic range
40 dB
Roll-over in word recognition occurs when
WRS decreases dignificantly as intensity increases (retrocochlear sign)
If plateau cannot be achieved due to overmasking, what should you record
Masking dilemma--thresholds may be unmeasurable
A patient has dexterity issues. Best style
BTE with large controls or rechargeable RIC
When performing REM, where should the probe tip be
within 5mm of eardrum
Patient reports "hallow barrel-like" sound
Excessive low freq gain or closed dome
Patient complains that voices sound muffled. Which issues is most likely
A Excessive low-frequency gain
B Dead Battery
C Excessive high frequency gain
D Receiver failure
A Excessive low freq gain creates a boomy/muffled sound
3 Hearing loss caused by otosclerosis is typically
A High-frequency sensorineural
B Reverse slope
C Conductive
D Fluctuating
C Conductive
8 Recruitment is most commonly associated with
A Conductive loss
B Retrocochlear loss
C Cochlear Loss
D Central auditory processing disorder
C Cochlea loss
13 The SRT should be in agreement with the PTA within
A 5 dB
B 10 dB
C 15 dB
D 20 dB
B 10 dB
18 Interaural attenuation for insert earphones is typically
A 20 dB
B 40 dB
C 60 dB
D 80 dB
c 60 dB
23 Overmasking occurs when
A Masking exceeds interaural attenuation
B Masking noise crosses over to the test ear
C Threshold shifts improve
D Speech becomes too loud
B Masking noise crosses over to the test ear
27 Compression in digital hearing aids
A Eliminates loud sounds
B Increases soft sounds more than loud sounds
C Lowers all sounds equally
D Reduces background noise only
B Increases soft sounds
33 The vent in an earmold primarily affects
A High freq
B Midrange
C Low freq
D All freq equally
C Low frq
What contraindicates taking an impression
Active infection, drainage, fresh surgery, non-intact TM
A wide dynamic range (small DR) requires whatt
More compression
A precipitous high freq loss suggests what fitting challange
Feedback and reduced high freq output
If bone conduction is unmasked and better than expected, what is this
Cross-hearing
Patient resports echo in large rooms. What feature helps
Adaptive directionality; reduce reverberant HF gain
Probe tip too shallow causes what error
Artificial dip/rolloff in HF
If patient hears better without aids in loud noise why
Poor noise reductions, or misprogrammed directional system
When taking an ear impression, which step ensures patient safety
A Using a deep insertion technique
B Checking for an intact tympanic membrane
C Pre-inserting an otoblock
D Removing cerumen manually
C - prevents impression material from inserting too deeply
4 The main function of the Eustachian tube is to
A Amplify sound
B Equalize pressure
C Maintain fluid balance in the cochlea
D Filter low-freq sounds
B Equalize pressure
9 The middle ear provides an impedance match between
A Air and Bone
B Air and fluid
C Fluid and Bone
D Fluid and air conduction
b Air and fluid
14 Word recog testing measures
A Speech detection
B Understanding at comfortable Loudness
C Speech comfort level
D Noise tolerance
B Understanding at comfortable loudness
19 If the SRT is 40 dB HL, WRS presentation is typically
A 40 dB
B 55 dB
C 70 dB
D 80 dB
C 70 dB
24 A Rollover index is used to detect
A Cochlear Loss
B Conductive Loss
C Retrocochlear loss
D Mixed loss
C Retrocochlear loss
29 Directional microphones improve hearing in
A quiet only
B noise only
C windy enviroments
D background noise with speech in front
D Background noise with speech in front
34 Impulsion feedback occurs when
A Feedback changes with jaw movements
B The hearing aid malfunctions
C digital processing fails
D moisture is inside the shell
A Feedback changes with jaw movements
What rish occurs if impression material passes a perforated TM
Middle ear damage and surgical removal
Adult prescriptive targets emphasize what
Speech intelligibility over loudness comfort
Stenger test positive =
Indicates functional (non-organic) unilateral hearing loss
Effective masking means
noise is sufficient to eliminate NTE participation without affecting TE
Patient hears "buzzing" near electronics. Cause
Electromagnetic interference (EMI)
If REAR exceeds MPT targets what adjustment is needed
Lower maximum output or adjust compression kneepoint
Complaints of muffled sound after wax buildup removal, why
Patient had adapted to blocked sound, restrain auditory system
Patient has normal bone conduction but elevated air conduction thresholds. This is:
A Sensorineural
B Conductive
C Mixed
D Nonorganic
B Conductive
5 The traveling wave in the cochlea is tonotopically organized. High freq stimulate the
A Apex
B Base
C Scala Media
D Round window
B Base
10 Speech frequencies are typically between
A 100-1000 Hz
B 250-6000 hz
c 1000-8000 hz
D 5000-10000 hz
b 250-6000 hz
15 if AC Right = 60 dB at 1 kHz, AC Left = 20 dB, masking is needed for
A Right Ear
B Left Ear
C Neither
D Both
a Right ear
20 A flat, mild hearing loss typically has
A Equal thresholds across freq
B Sloping thresholds
C Rising thresholds
D Notched thresholds
A Equal thresholds across frq
25 A speech banana on an audiogram represents
A Comfortable listening region
B Normal conversational spectrum
C High freq environmental sounds
D noise exposure levels
B Normal conversational spectrum
30 A telecoil works best with
A bluetooth devices
B Loop systems
C rechargeable batteries
D music programs
B Loop systems
35 Expansion is used to
A Reduce loud sounds
B Reduce very soft sounds (circiut noise)
C Improve speech clarity
D increase compression
B reduce very soft sounds
If a patient feels sharp pain during impression curing, what should you do
stop immediately and remove impression material
A patient with low-freq SNHL and good high-freq hearing is best fit with what
Open fit RIC
Tymp Type C (-250 daPa) patient complains of muffled hearing. Likely cause
Eustachian tube dysfunction
Shadow curve occurs when
Cross hearing cause NTE to respond wo TE stimulus
If aid frequently becomes blocked, what should you recommend
Wax management, filters, cleaning schedule
What does RECD measure
Difference between real-ear and coupler values--vital for pediatric fittings
Battery drains extremely fast
Wireless streaming always on, shorted circuitry, or moisture
36 Which hearing aid style gives the most power
A CIC
B ITE
C RIC
D BTE with earmold
D BTE with earmold
46 A patient with asymmetrical loss should be
A Fitted immediately
B Retested yearly
C Referred to ENT
D Given a stronger aid
C Referred to ENT
1 The basilar membrane is widest and least stiff at the
A Base
B Apex
C Middle
D Helicotrema
B Apex
16 Insert Earphones provide an IA of approximately
A 20 dB
B 40 dB
C 60 dB
D 80 dB
c 60 dB
26 A directional microphone uses
A One port
B Two sound inlets
C A telecoil input
D FM compatibility
B Two sound inlets
36 Which hearing aid provides the highest power potential
A CIC
B ITC
C RIC
D BTE with full earmold
D BTE with full earmold
In acoustic reflex testing, reflexes are all absent in all conditions except ipsilateral probe right; what is likely
Left middle ear pathology or left facial nerve lesion
If masking noise overcomes the TE threshold and elevates it artificially, this is called what
over masking
What is the purpose of otoblock
Protect TM and control depth of impression material
What tool is used to verify amplification objectively
Real ear measurement (rem/probe mic)
Tymp normal: acoustic reflex absent. Likely cause
Cochlear pathology (>50 dB HL) or retrocochlear
What frequencies are most susceptible to cross hearing
High freq due to lower IA
You suspect a retrocochlear disorder. What must you do before fitting
refer to ENT/doctor
RECD unusually high suggests what
Small ear canal volume
Frequent feedback despite new molds
High HF prescription, TM perforation, canal anormalities
37 A patient complains "My own voice is booming" this is:
A Occlusion
B Feedback
C Distortion
D Dead battery
A Occulsion
47 Professional boundaries mean
A Becoming friends with patients
B Avoiding dual relationships
C Sharing personal contact info
D Giving discounts freely
B Avoiding duel relationships
7 A retrocochlear lesion often causes
A Good speech scores
B Roll-over on WRS
C Conductive patterns
D Excellent high frequency hearing
B Rollover on WRS
17 If bone conduction equals air conduction, the loss is
A Conductive
B Sensoryneural
C Mixed
D Nonorganic
B Sensorineural
27 Digital noise reduction primarily reduces
A Human speech
B Environmental steady-state noise
C Wind noise only
D All sounds equally
B Environmental steady-state noise
37 Real-ear measurements verify
A Prescriptive targets
B Battery drain
C Telecoil settings
D Wax build up
A Prescriptive targets
What hearing loss pattern suggests noise-induced damage
Cookie bite - Notch at 3-6 khz (often 4 khz)
When can over masking occur earlier than expected
Bilateral conductive losses (small interaural attenuation)
A patient requests tat you "Just raise the volume all the way" What is the ethical response
Decline and councel, unsafe fitting violate standard of care
If real ear results show under amplification at soft imputs
Increase low-level (soft input) gain
If word recognition is 20%, but patient insists they hear the words fine, what is happening
good audiability, poor clarity due to cochlear distortion
Patient reports "booming" sound
Reduce low freq gain or increase vent size
Selling a hearing aid without required documentation violates what
state licensing laws and consumer protection laws
RECD unusually low suggests what
Large canal volume (common in infants)
Speech fluctuates in quiet
overactive noise reduction
38 Increasing a vent size will
A Reduce occlusion
B Increase low frq gain
C Improve feedback
D Increase high freq output
A Reduce inclusion
48 HIPAA Protects
A Clinic employees
B Insurance companies
C Patient health information
D Device manufacturers
C Patient health information
8 The organ of Corti rests on the
A Round window
B Basilar Membrane
C Reisser's Membrane
D Stria vascularis
B Basilar Membrane
18 A patient with SRT = 35 dB HL should have a WRS presented around
A 35 dB
B 45 dB
C 65-75 dB
D 90 dB
C 65-75 dB
28 A patient reports that their own voice is too loud. Likely cause
A Excessive high frq gain
B Occlusion
C Low battery
D Feedback
B Occlusion
39 Adaptive directionality means
A User cannot change the program
B The microphone adjusts to noise source
C The aid switches to telecoil
D Only one microphone is active
B The microphone adjusts to noise source
Word recognition scores R 96%, L 48%. What does this suggest
Possible retrocochlear involvement in the left ear
A patient complains of a "tinny" sound. What adjustment should help
Reduce high freq gain
You suspect medical red flag symptoms. Your obligation
Refer to doctor before continuing with fitting/testing
Reduce low-freq gain or increase vent size
Sudden SNHL is suspected. What is required
Immediate RNT referral-medical emergancy
If patient struggles in wind, what feature helps
Wind reduction+proper mic placement
A patient fails the aided benefit test during trial period. What must you offer
Why are children fit using DSL v5
Prioritized audibility of soft speech for developing language
Patient only hears out of one side during phone use, fix
active telecoil or phone-mic streaming mode
39 An adaptive directional microphone
A Changes direction automatically
B Remains fixed forward
C Works only outdoors
D Always uses Omni mode
A Changes direction automatically
49 If a patient misunderstands instructions, the best approach is to
A Speak louder
B Rephrase simply
C Repeat the same words
D Hand them a brochure
B Rephrase simply
9 Acoustic reflex pathway includes which cranial nerve
A CN III
B CN V
C CN VII
D CN XII
C CN VII
19 A "Cookie bite" audiogram refers to
A Mid frq loss
B Low frq loss
C High frq loss
D Notched loss
A Mid frq loss
29 Increasing compression ratio will
A Make loud sounds louder
B Reduce loud sounds more
C Increase soft sounds
D Improve directionality
B Reduce loud sounds more
40 Wind noise reduction helps the most in
A Indoor meetings
B Controlled environments
C Outdoor activities
D Car travel only
C Outdoor activities
Tymp: Type As, what does it indicate
Stiff system (Otosclerosis thickened TM)
For occlusion effect relief in molds, what modification helps
Larger vents or open fit done
A minor (age 14) needs hearing aids. What is required
parental consent and medical evaluation
Compression ratio of 3:1 means what
For each 3 dB increase in input, output changes 1 dB
Patient has diplacusis. What is this
Pitch perception differs between ears
A patient complains that speech sounds are "too soft" even when at high volumes. Cause
Insufficient gain for soft inputs or low compression ratio
Battery disposal guidance is required by
Health and safety regulations and manufacturer recommendations
If REAR is below target at soft inputs but ok at medium, what needs adjustment
increase low level compression gain
Patient reports burst of loud noise durign movement
Loose microphone or internal component failure
40 Bluetooth LE audio provides
A Lower latency and better battery life
B less compatibility
C only monaural streaming
D No benefits over classic bluetooth
A Lower latency and better battery life
50 A red irritated ear canal after wearing hearing aids usually indicates
A Good seal
B Allergic reaction or poor fit
C low battery
D Compression issue
B Allergic reaction or poor fit
10 Which frequency carries most vowel sounds
A 125-500 hz
B 1000-2000 hz
C 2000-4000 hz
D 6000-8000 hz
A 125-500 hz
20 Meniere's disease typically shows
A Fluxuating low frequency SNHL
B Stable high-frq loss
C Conductive loss
D Excellent WRS
A Fluxuating low frq SNHL
30 The receiver converts
A Digital -> Analog
B Analog -> Digital
C Electrical ->Acoustic
D Acoustic -> Electrical
C Electrical to Acoustic
43 If the impression material touches the TM, the specialist should
A Gently pull material outward
B Refer to ENT immediately
C Add more material
D Ignore unless painful
B Refer to ENT immediately
Tymp: Type Ad, likely causes
Flaccid TM ossicular disarticulation
What does WDRC (wide dynamic range compression) do
Provides soft sound audibility while keeping loud sounds comfortable
Patient refuses medcal referral despite red flags. What do you do
Document and do not proceed with the fitting
A patient has dead regions above 3 kHz. Best fitting option
Freq lowering/transposition
What audiogram pattern suggests presbycuiss
Gradually sloping high freq snhl
Freq compression is most useful for
Dead zone regions in high freq
Who can sign a medical waiver
Adults who understand it's meaning
What causes high freq mismatch between target and measured
probe tube blocked, shallow placement, or feedback suppression reducing HF gain
Patient resports sharp pain AFTER impression removal. What should you do
Inspect canal, if abrasion or bleeding stop and refer
41 Before taking an ear impression, always
A Warm the material
B Perform otoscopy
C Insert lubricant
D Play a test tone
B Perform otoscopy
2 Which structure separates the scala typani and scala media
A Reissner's Membrane
B Tectorial membrane
C Basilar membrane
D Stapedius tendon
C Basilar membrane
11 The PTA is usually calculated from
A 250-1000 hz
B 500, 1000, and 2000 hz
C 2000-8000 hz
D 1000 hz only
B 500, 1000, and 2000 hz
21 A False negative occurs when the patient
A Responds with no tone
B Hears but does not respond
C Only guesses
D Responds too much
B Hears but does not respond
31 A clogged wax filter will produce
A Distortion
B Intermittency
C Weak or no sound
D Feedback
C Weak or no sound
45 Intermittent hearing aid function is open caused by
A weak battery connection
B OMNI mode
C High MPO
D Compression
A Weak battery connection
Tymp: Type B with large ecv
TM peroration or patent PE tube
What fitting issue is likely if loud sounds are too loud
Compression kneepoint too low or MPO too high
If a hearing aid returns from repair with biological debris what must be done
Disinfection/sterilization per infection control protocal
If the patient works in noisy environments with machinery
Fit hearing direction, directional mics, and noise management counseling
A noise notch at 4 kHz appears in only one ear. What should you investigate
Occupational noise exposure, weapon use, asymetrical noise
A patient has great performance in quiet, poor in noise. Hearing aid change
Improve directional mics, noise reduction, consider remote mic
When should a medical referral override patient preference
When red flag symptoms indicate risk (eg sudden loss, ostorrhea)
Why verify MPO
prevent discomfort and avoid exceeding UCL
What increases risk or otoblock movement past ISTP (isthmus)
soft or undersized otoblock, improper shaping
42 The otoblock should be placed
A At the aperture
B Past the second bend
C In the cartilaginous region only
D Against the tympanic membrane
B Past the second bend
3 The primary function of outer hair cells is to
A Send signals to the brain
B Amplify and fine tune sound
C Maintain endolymph
D Protect the cochlea from loud noise
B Amplify and fine tune sound
12 The threshold is defined as the intensity at which a told is heard
A 50% of the time
B 100% of the time
C 25 % of the time
D Rarely
A 50% of the time
22 Over masking happens when noise
A Reaches threshold in the test ear
B Crosses over to the test ear
C Is too loud to administer
D Makes speech unclear
B Crosses over to the test ear
32 A larger vent generally
A Increases occlusion
B Reduces low frq amplification
C Increases loudness
D Reduces feedback
B Reduces low frq amplification
46 A patient with sudden hearing loss requires
A New aids
B ENT referral
C Real-ear measurements
D More low frequency gain
B ENT referal
Tymp: Type B with normal ECV
Middle ear fluid
Feedback is worsening; name three possible causes
poor fit, excessive HF gain, wax in ear canal
What must be provided during a hearing aid sale (federal mandate)
Purchase agreement including trial-period terms and fees
AC thresholds show a flat 25 dB HL, BC WNL, word recognition excellent
Minimal conductive hearing loss or measurement variability, recheck otoscopy and tymps
What interaural attenuation (IA) do you assume for supra-aural headphones
~40 dB
What does MPO control
Maximum output (protects from loudness discomfort)
Falsifying test results for a sale is a violation of what
Professional ethics, state law, and potential criminal statutes
When performing REM on an open-fit, what special setting must be used
Open-fit calibration or modified pressure method
Silicone impression adheres to hair in canal. What can prevent this
lubricated otoblock or cotton block, proper otoscopy
43 Which symptom during impressions requires immediate stopping
A Tickling
B Mild pressure
C Sharp Pain
D slight warmth
C Sharp pain
4 A patient with noise induced hearing loss will likely show a notch at
A 500 Hz
B 1000 Hz
C 3000-6000 Hz
D 800-10000 Hz
C 3000-6000 hz
13 Speech detection threshold SDT is
A Always higher than SRT
B Always lower than SRT
C Equal to WRS
D Not related to speech
B Always lower than SRT
23 When masking speech, the preferred noise is
A White noise
B Speech shaped noise
C Narrow band noise
D Pink noise
B Speech shaped noise
33 Expansion reduces
A Loud speech
B Soft Background noise
C Overall output
D High frq gain
B Soft background noise
Air = 55 dbhl, Bone = 10 dbhl, flat across all frequencies. Is this conductive, sensorineural, or mixed
Conductive; large air bone gap with normal bc
You test BC R ear at 50 dB AC L ear = 20 dB. Is masking needed
Yes. 10 dB difference between BC test ear and AC non-test ear
What is the major difference between linear and nonlinear amplification
Linear applies constant gain: nonlinear compresses dynamic range
What is informed consent
a patient understands the risks, benefits, alternatives before agreeing
A patient has asymmetrical SNHL (Different>= 15 dB at 2+ freq. What must you do
Medical clearance to rule out retro cochlear pathology
IA for insert headphones
~55-60 dB
The patient hearing their own chewing loudly
Occlusion effect--reduce LF gain or enlarge vent
Record retention is required for how long
Generally 3-7 years or 3-7 years after minor turns 18, varies by state law
patient hears "fluttering" or "pulsing". Cause
Automatic gain control artifacts; adjust attack/release times
Material hardens unusually fast
old product, improper mixing, or expired catalyst
44 Infection control requires
A Gloves only
B Gloves and handwashing
C Gloves only for impressions
D Handwashing only
B Gloves and handwashing
5 Presbycusis typically begins with
A Low freq loss
B Rising audiogram
C High freq loss
D Conductive loss
c High frq loss
14 Word Recognition scores WRS involve
A Spondees
B Monosyllabic words
C Sentences
D Numbers
B Monosyllabic words
24 An air-bone gap of 10 dB is considered
A Normal variation
B Conductive
C Mixed
D Abnormal
A Normal variation
34 A patient complains of "whistling" most likely
A Occlusion
B Feedback
C Dead Receiver
D Over compression
B Feedback
A 2 khz bone conduction notch (carthart notch) suggests what pathology
Otosclerosis
Initial masking for AC uses what formula
AC(NTE)+10
Hearing aids with directional microphones provide best improvement what situation
speech in noise when speech is in front and noise behind
If a patient fails the medical waiver comprehension test
They cannot legally sign the waiver
Weber lateralizes to the right: R ear ac = 65, BC = 20; Left ear ac = 50, BC = 50. Where is the pathology
Right ear conductive loss
Masking requirement for BC when
AGB >= 10dB
If REM shows too much HF output
Reduce HF gain or adjust frequency response
Why is REM required for best practice fittings
It measures actual sound at the eardrum, accounting for individua ear accustics
Hearign aid distorts only at high input levels. Cause
MPT too high, or receiver overdriving
Deep-canal impression needed for musician plugs--what extra step
Use firm otoblock and verify placement carefully near bony canal
45 A hearing aid user complains of intermittent sound. First step
A Replace device
B Run REM
C Check wax filter
D Order new receiver
C Check wax filter
6 Air conduction tests
A outer, middle, and inner ear
B Inner ear only
C Neural pathways only
D Middle ear only
A Outer, middle, and inner ear
15 When AC (test ear) -IA > or = BC, non test ear, you must
A Raise intensity
B Mask
C Stop testing
D Switch ears
B Mask
25 A precipitously sloping audiogram shows
A Rapid drop at high frq
B Rising toward low frq
C Flat thresholds
D Reverse slope
A Rapid drop at high frq
35 Which style provides the most cosmetic invisability
A BTE
B ITE
C CIC
D RIC
C CIC
A patient with Meniere's disease typically shows what audiogram pattern
rising (low frequency) sensorineural hearing loss, can become flat later on
Plateau method: why increase masking by 5 dB steps
To ensure TE threshold remains stable and NTE is fully masked
A patient reports difficulty understanding speech at a distance; what feature helps
directionality or remote microphone system
HIPAA requires what regarding patient records
Secure storage, limited access, and release only with authorization
Speech recognition threshold does not agree with PTA, what does this suggest
Non-organic hearing loss, or poor test reliability
Masking dilemma occurs when
Bilateral conductive losses causing over masking
What is recruitment
Rapid growth of loudness in cochlear HL ->requires compression
If REUG (unaided gain) is unusually low, what does it indicate
Narrow canal, blockage, or abnormal ear acoustics -> may require more HF gain
Intermittend hearing aid function
battery contact corrosion or issues, loose wiring, moisture damage
When can you fit a patient who refuses a medical evaluation
only if they sign a waiver and have no red flags