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IHS Exam Questions and Answers
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IHS Exam Questions and Answers
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IHS Exam Questions and AnswersA 0mm pressure means - ANSWER-that no pressure is being exerted on the TM
A bone conduction instrument should be used when - ANSWER-the patient has chronic
otitis media
A BTE instrument, properly attached - ANSWER-fits the contour of the ear
A capacitor - ANSWER-blocks the low frequencies and passes the high frequencies
A cholesteatoma can be described as: - ANSWER-a pouch of skin filled with epithelial
debris
A cholesteatoma: - ANSWER-occurs in the middle ear, may perforate the eardrum, and
is usually accompanied by a constant odorous discharge
A conductive loss may be caused by: - ANSWER-perforated TM, immobile middle ear
ossicles, or otitis media
A dial on the audiometer to control the decibles of out put is called: - ANSWER-a HL
dial or an attentuator dial
A FET changed the high impedence problems of the - ANSWER-ceramic microphone
A formant is: - ANSWER-a frequency region within a complex tone where certain
harmonics have relatively large energy.
A format is: - ANSWER-a concentration of energy around certain frequencies
A greater flow of current produces: - ANSWER-more volume
A hearing healthcare professional changes the prescriptive formula while performing a
real ear measurement.
What will change as a result of the hearing healthcare professional's action? -
ANSWER-Target curve
A hearing healthcare professional completes a fitting of new open-fit technology for a
patient/client.
Which outcome measurement tool should the hearing healthcare professional use to
determine proper fit? - ANSWER-Real ear measurement
A hearing healthcare professional is verifying fit and performing a sound-field
uncomfortable listening level check.
,At which level should the hearing healthcare professional set the volume of the hearing
instrument? - ANSWER-at the highest level allowed without acoustic feedback
A linear amplifier has 1:1 relationship. This means that if you rotate the volume control
on a linear aid, you change: - ANSWER-the gain and the output
A long canal on the earmold has the effect of: - ANSWER-accentuating the low
frequencies.
A masking dilemma occurs when: - ANSWER-It is impossible to mask, the patient
displays a bilateral conductive loss, masking cannot be completed due to over masking
A mixed loss exhibits: - ANSWER-SN component and a conductive component
A patient with a conductive loss has: - ANSWER-the same dynamic range as normal
ears
A patient/client expresses concern that they may not be receiving significant benefit
from new hearing instruments.
Which two assessment tools would allow the hearing healthcare professional to validate
the improvement provided by the instruments? - ANSWER-COSI
A patient/client with moderate presbycusis has been using amplification for six months.
The patient/client reports that noise is very clear, but people's voices in crowds are
indistinct. A hearing healthcare professional verifies the fitting using speech mapping
equipment.
Which information should the hearing healthcare professional expect to discover
regarding gain targets? - ANSWER-low frequency gain on target with high frequency
gain below target
A plastic or steel strut replaces the stapes during a: - ANSWER-stapedectomy
A programmable hearing instrument with 4 channels and 1 memory could be
considered a _____ _ programmable hearing instrument. - ANSWER-Class 3
A pure conductive loss shows: - ANSWER-All bone thresholds within normal limits
A radical mastoidectomy includes removal of: - ANSWER-ossicular chain, mastoid
A real ear measurement system incorporates all of the following: - ANSWER-signal
generator, reference microphone, measurement microphone, display device
A resistor: - ANSWER-restricts the flow of electrons
A sensorineural component is the difference between: - ANSWER-BC thresholds and
the range of normal hearing
, A sensorineural hearing loss is due to a disorder in the: - ANSWER-Inner ear
A sign of a dirty volumn control is - ANSWER-intermittent static
A small pressure vent in an earmold will: - ANSWER-have little or no effect on
frequencies above 400 Hz, generally reduce levels at frequencies below 200 Hz and
reduce atmospheric pressure build up
A swollen ear may be caused by - ANSWER-eczema, otitis externa, dermatitus
A symptom of recruitment is : - ANSWER-Intolerance for loud sounds
A TM perforation may cause - ANSWER-a conductive loss
A type A tympanogram would indicate: - ANSWER-normal middle ear function
Acoustic gain is measured in - ANSWER-dB SPL
Advise the patient to wear the instrument - ANSWER-on a regular basis
Afferent fibers: - ANSWER-transmit from the cochlea to the brain.
All ANSI instrument measurements are - ANSWER-SPL
Although pure tones sound artificial to use, they have the advantage of: - ANSWER-
measuring a specific frequency without involvement of other frequencies
Ambient noise in the environment during bone conduction testing will - ANSWER-affect
the test results in the lower frequencies
Amplifiers - ANSWER-generate distortion
An audiogram with less loss at the high frequencies that the middle frequency region is
classified as a - ANSWER-trough shaped curve
An earhook damper is plugged when during a feed back check - ANSWER-the
instrument feeds back only when the coupler is removed
An effective verification is: - ANSWER-a measure able improvement in communication
An ITE or Canal aid has internal feedback when: - ANSWER-the receiver tubing is not
completely sealed to the sound bore
An organic disorder is when there is damage to: - ANSWER-The hearing mechanism,
the neural pathways and the brain.
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