Audiology Final Exam Study Guide
UPDATED Exam Questions and CORRECT
Answers
What part of auditory system does a cochlear implant stimulate? What part(s) does it bypass? -
CORRECT ANSWER - Stimulates auditory nerve electrically, bypasses outer, middle, and
inner ear
Auditory Efferent System - CORRECT ANSWER - Efferent (descending) projections
occur at multiple levels of the central auditory system
function of the auditory efferent system - CORRECT ANSWER - aiding selective
attention and improving hearing in background noise
what is an acoustic neuroma? - CORRECT ANSWER - -benign tumor on cranial nerve
VIII
• Unilateral
-cause: idiopathic
what's another term for an acoustic neuroma? - CORRECT ANSWER - vestibular
schwannoma
in what nerve do acoustic neuromas occur? - CORRECT ANSWER - vestibular portion of
cranial nerve VIII
how often do acoustic neuromas occur? - CORRECT ANSWER - Incidence: 1 per
100,000 in U.S.• Typically appears in adulthood (30-60 years of age)•
treatment for acoustic neuromas - CORRECT ANSWER - Watchful waiting
• Surgical removal
,• Radiation
audiologic properties of an acoustic neuroma - CORRECT ANSWER - -unilateral
sensorineural hearing loss (often sloping)
-Unilateral tinnitus
Using ABR To Detect Acoustic Neuroma - CORRECT ANSWER - Abnormally long
interpeak latencies may suggest acoustic neuroma and warrants ENT referral
What professionals do audiologists refer patients to? - CORRECT ANSWER - SLPs,
ENTS, psychologists, and geneticcounselors
3 different craniotomy approaches to surgically remove an acoustic neuroma - CORRECT
ANSWER - 1. subocciptial
2. translabyrinthine
3. middle fossa
Candidacy for hearing preservation surgery: AAO-HNS guidelines - CORRECT
ANSWER - - Quantify pure-tone average (PTA)
-Quantify word recognition score (WRS)
which classes are considered for candidates for hearing preservation surgery - CORRECT
ANSWER - Class A and B
Class A- PTA ≤ 30 dB HL and
WRS ≥ 70%
• Class B: PTA ≤ 50 dB HL and WRS ≥ 50%
, Auditory Neuropathy Spectrum Disorder (ANSD) - CORRECT ANSWER - - Impaired
ability of auditory nerve fibers to fire at the same time
• Not a disorder of the cochlea
how often does auditory neuropathy spectrum occur? - CORRECT ANSWER --
Incidence: 1-2 per 10,000 births
-7-10% of children with permanent hearing loss
risk factors for Auditory Neuropathy Spectrum Disorder (ANSD) - CORRECT
ANSWER - -NICU stay >5 days
• Family history of auditory neuropathy
•Some neurologic disorders such as Friedreich's ataxia
treatment for Auditory Neuropathy Spectrum Disorder (ANSD) - CORRECT ANSWER -
-Hearing aid or cochlear implant
-Communication strategies
audiologic properties: Auditory Neuropathy Spectrum Disorder: - CORRECT ANSWER -
-Present OAEs
-Abnormal or absent ABR
Auditory Processing Disorder (APD) - CORRECT ANSWER - Difficulty of central
auditory system with decoding and organizing complex acoustic signals
how does one get an auditory processing disorder (APD) - CORRECT ANSWER -
developmental or acquired (e.g., head injury or stroke)
Are auditory precessing disorders attributed to higher order language, cognitive, related factors
or neither? - CORRECT ANSWER - no they are independent
UPDATED Exam Questions and CORRECT
Answers
What part of auditory system does a cochlear implant stimulate? What part(s) does it bypass? -
CORRECT ANSWER - Stimulates auditory nerve electrically, bypasses outer, middle, and
inner ear
Auditory Efferent System - CORRECT ANSWER - Efferent (descending) projections
occur at multiple levels of the central auditory system
function of the auditory efferent system - CORRECT ANSWER - aiding selective
attention and improving hearing in background noise
what is an acoustic neuroma? - CORRECT ANSWER - -benign tumor on cranial nerve
VIII
• Unilateral
-cause: idiopathic
what's another term for an acoustic neuroma? - CORRECT ANSWER - vestibular
schwannoma
in what nerve do acoustic neuromas occur? - CORRECT ANSWER - vestibular portion of
cranial nerve VIII
how often do acoustic neuromas occur? - CORRECT ANSWER - Incidence: 1 per
100,000 in U.S.• Typically appears in adulthood (30-60 years of age)•
treatment for acoustic neuromas - CORRECT ANSWER - Watchful waiting
• Surgical removal
,• Radiation
audiologic properties of an acoustic neuroma - CORRECT ANSWER - -unilateral
sensorineural hearing loss (often sloping)
-Unilateral tinnitus
Using ABR To Detect Acoustic Neuroma - CORRECT ANSWER - Abnormally long
interpeak latencies may suggest acoustic neuroma and warrants ENT referral
What professionals do audiologists refer patients to? - CORRECT ANSWER - SLPs,
ENTS, psychologists, and geneticcounselors
3 different craniotomy approaches to surgically remove an acoustic neuroma - CORRECT
ANSWER - 1. subocciptial
2. translabyrinthine
3. middle fossa
Candidacy for hearing preservation surgery: AAO-HNS guidelines - CORRECT
ANSWER - - Quantify pure-tone average (PTA)
-Quantify word recognition score (WRS)
which classes are considered for candidates for hearing preservation surgery - CORRECT
ANSWER - Class A and B
Class A- PTA ≤ 30 dB HL and
WRS ≥ 70%
• Class B: PTA ≤ 50 dB HL and WRS ≥ 50%
, Auditory Neuropathy Spectrum Disorder (ANSD) - CORRECT ANSWER - - Impaired
ability of auditory nerve fibers to fire at the same time
• Not a disorder of the cochlea
how often does auditory neuropathy spectrum occur? - CORRECT ANSWER --
Incidence: 1-2 per 10,000 births
-7-10% of children with permanent hearing loss
risk factors for Auditory Neuropathy Spectrum Disorder (ANSD) - CORRECT
ANSWER - -NICU stay >5 days
• Family history of auditory neuropathy
•Some neurologic disorders such as Friedreich's ataxia
treatment for Auditory Neuropathy Spectrum Disorder (ANSD) - CORRECT ANSWER -
-Hearing aid or cochlear implant
-Communication strategies
audiologic properties: Auditory Neuropathy Spectrum Disorder: - CORRECT ANSWER -
-Present OAEs
-Abnormal or absent ABR
Auditory Processing Disorder (APD) - CORRECT ANSWER - Difficulty of central
auditory system with decoding and organizing complex acoustic signals
how does one get an auditory processing disorder (APD) - CORRECT ANSWER -
developmental or acquired (e.g., head injury or stroke)
Are auditory precessing disorders attributed to higher order language, cognitive, related factors
or neither? - CORRECT ANSWER - no they are independent
