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IHS ILE Study Guide with Complete Solutions
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IHS ILE Study Guide with Complete Solutions
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IHS ILE Study Guide with CompleteSolutions
0002 dynes per sq cm2 - ANSWER-Faintest sound that can be detected
4 modes of transmission - ANSWER-Contact, Indirect contact, Droplet, Vehicle,
Airborne, vectorborne
6400Hz is the 5th octave of what frequency - ANSWER-400Hz
A 36- year old female restaurant worker with history of hearing loss reports she is
unable to hear as well as she did 2 years ago testing reveals moderate conductive loss
what is a likely cause of the patients change in hearing - ANSWER-Otosclerosis
A battery with 5mA drain worn 12 hours a day with a rated 250mA hour expectancy
would need to be changed how often - ANSWER-Every 6 weeks
A hearing health care professional is counseling a patient about expectations of
amplification what information should the hearing healthcare professional include in this
therapy - ANSWER-Outside factors that can hinder hearing
A large dip at 6000Hz in ONE ear only with a positive tone decay is an indicative of -
ANSWER-A possible retrocochlear tumor
A patient comes in complaining that his ITC aids were working fine until he had them
cleaned now they are week and feeding back What is most likely the cause of the
problem - ANSWER-Receiver tubing pushed in
A patient complains that the hearing instrument works intermittently After initial
inspection the hearing healthcare professional squeezes and taps on the case What is
the suspected problem - ANSWER-An amplifier problem
A patient has been using an ITC hearing instrument for approx 16 mos the patient has a
new job that requires use of telephone with a headset - ANSWER-Add an amplifier to
existing phone
A patient who has had a radical mastoidectomy has been referred to your office for a
new earmold Physician is urging caution due to short canal What would be true about
this patient - ANSWER-Multiple otoblocks may be needed, Careful placement of
otoblock is needed
A patient who has worn hearing aids for a long time reports his ears are stopped up he
recently had a cold, What will give the MOST information about this patients complaint -
ANSWER-Impedance audiometery
, A space occupying lesion (tumor) arising from auditory nerve is called - ANSWER-
Acoustic neuroma and vestibular schwannaoma
Acoustic Impedance - ANSWER-Resistance of the flow of sound through the
mechanism, opposition of flow of sound across a surface
Acoustic Reflex - ANSWER-Middle ear muscle reflex, tympanometer is used to
measure activity of stapedius muscle
Airborne - ANSWER-Droplet or neucli or dust transmission
Airborne Transmission - ANSWER-When droplets or dust particles stay in the air for
long periods of time
Anaotia - ANSWER-Absence of one or both external ears
Areal Transfer and lever action - ANSWER-Responsible for recovering 26dB of sound
energy
Atresia - ANSWER-Absence of an ear canal
Atypically large ECV - ANSWER-unpredictable impact on hearing usually seen with
ventilation tube or TM perforation PMC flat, No TPP and ECV is atypically large
Audiometric zero - ANSWER-The average softest intensity that someone with normal
hearing can detect
Carhart notch in bone conduction testing at the 2000Hz frequency is usually associated
with - ANSWER-Otosclerosis
Central Hearing loss - ANSWER-Damage to the brain causing inability to distinguish
what is being said. Hearing aids will not help with this type of loss
Characteristics of tympanic membrane - ANSWER-Pinkish- gray in color oval shaped
Chronic Supprative otitis media - ANSWER-Otitis media with reoccuring bacterial
infection
Cochlea can only clarify and purify up to - ANSWER-90dB
Cochlear Dead spot signs - ANSWER-High frequencies are greater than 65dB HL and
pure tones sound like crackles
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