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Hearing Aid Academy Quiz Study > Chapter 3 - Adult Sensorineural Hearing Loss > Flashcards

Chapter 3 - Adult Sensorineural Hearing Loss Flashcards

1
Q

The oldest type of amplification is:

A. The cupped ear.
B. WDRC.
C. Analog.
D. Linear.

A

D. Linear.

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2
Q

Which is NOT true regarding analog hearing instruments?

A. Cannot be accurately adjusted to a person’s hearing loss.
B. Can be worn in the shower without hurting the performance if the volume is turned down.
C. Use peak clipping at high levels of signals and noise.
D. Cause distortion at high input levels of signals and noise.

A

B. Can be worn in the shower without hurting the performance if the volume is turned down.

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2
Q

Three advantages of the Behind-the-Ear (BTE) HI are: (check all that apply)

A. Its size allows for much more power than in-the-ear hearing instruments.
B. It does not emanate heat like smaller digitally controlled in-the-ear HI’s can do.
C. The microphone is far away from the receiver (less feedback).
D. It takes less dexterity to use.
E. It can be worn on either ear by simply reversing the “hook”
F. It is invisible.

A

A. Its size allows for much more power than in-the-ear hearing instruments.
C. The microphone is far away from the receiver (less feedback).
D. It takes less dexterity to use.

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3
Q
  1. In the final stage of the operation, Analog instruments convert electrical signals into_________ ?

A. Mechanical.
B. Mecho-Acoustically transduced.
C. Acoustical.
D. Hydrolic

A

C. Acoustical.

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4
Q

The first eyeglass hearing instrument patent was granted in:

A. 1911
B. 1921
C. 1931
D. 1984

A

C. 1931

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5
Q

Adult cochlear implant candidates with pre-lingual deafness do well with CIs.

A. True
B. False

A

B. False

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6
Q

With compression technology, _____ sounds are amplified more than _____ sounds.

A. Faint, noisy.
B. Loud, soft.
C. Weak, weaker.
D. Low intensity, high intensity.
E. High intensity, low intensity.

A

D. Low intensity, high intensity.

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7
Q

The In-the-Canal (ITC) instrument: (check all that apply)

A. Is less conspicuous.
B. Is locked by the tragus.
C. Provides the microphone placement at the level of the ear canal.
D. Has a tiny volume control.

A

A. Is less conspicuous.
B. Is locked by the tragus.
C. Provides the microphone placement at the level of the ear canal.
D. Has a tiny volume control.

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8
Q

Recruitment involving sensorineural hearing loss creates an auditory condition which involves:

A. An increased clarity of sound
B. A reduced clarity of sound
C. An increased tolerance to sound
D. A reduced tolerance to sound

A

D. A reduced tolerance to sound

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9
Q

The input signal which the hearing instrument microphone receives is:

A. An acoustical wave form.
B. A mechanical beat.
C. An electrical waveform.
D. D/C current.
E. A pure tone.
F. at cross-phase with the opposite HI.

A

A. An acoustical wave form.

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10
Q

Arguably, the first effective HI (the stethoscope) was developed by _____ in _____.

A. Sir Samuel Moreland, 1670.
B. Alexander Graham Bell, 1904.
C. Rene Laennec, 1816.

A

C. Rene Laennec, 1816.

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11
Q

The In-the-Ear (ITE):

A. Is the “newer” type of hearing aid. Designed to resists water, earwax and dirt, especially popular among athletes
B. Feels ‘full.’, Can get too much ear wax inside it., Fills the concha (bowl) of the ear.
C. Places the microphone down too low so is best suited for patients with lower frequency hearing loss, such as SNHL.
D. Cannot be colored to match skin tone so is unpopular, uses more battery power, is water-resistant
E. Is only for severe losses., operates without a microphone thru ducted resonance tubes of certain lengths, eliminates distortion

A

B. Feels ‘full.’, Can get too much ear wax inside it., Fills the concha (bowl) of the ear.

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12
Q

ALDs (assistive listening devices) do: (check all that apply)

A. Substitute for hearing instruments in special circumstances.
B. Provide greater distance hearing than hearing instruments.
C. Are used only by the deaf.
D. Include alarms, FM systems for TV, Bluetooth technology, fire alarms, and doorbells.
E. Are used only with TTY.
F. Qualify under Medicare

A

D. Include alarms, FM systems for TV, Bluetooth technology, fire alarms, and doorbells.

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13
Q

The completely-in-canal (CIC) style of hearing instrument allows for:

A. The natural hearing affect of the auricle to continue to function.
B. Drainage to be channeled into the Eustachian tube.
C. The user to expectorate cerumen.
D. Multiple tiny volume controls.

A

A. The natural hearing affect of the auricle to continue to function.

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14
Q

Adult cochlear Implants are indicated for patients who have:

A. Post-lingual deafness
B. A Desire to hear without hearing instruments.
C. A need to hear in one ear.
D. A need to replace their hearing instruments which are worn out.
E. Have the money and don’t want to mess with conventional hearing aids.

A

A. Post-lingual deafness

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15
Q

The disadvantage of recommending the completely-in-canal (CIC) style of instrument is:

A. The dispenser may have to deny fitting the CIC because it is limited in its ability to provide the appropriate circuitry.
B. It is hidden from view.
C. Feedback is higher pitched than with other types of hearing instruments.
D. Requires less amplification.
E. They often become lodged, impacted and infected.
F. The patient has to pull the device all the way out of the ear to adjust the volume.

A

A. The dispenser may have to deny fitting the CIC because it is limited in its ability to provide the appropriate circuitry.
*possibly F. but shows as incorrect in quiz so don’t answer that until fixed ?

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16
Q

Hearing instruments with compression circuitry amplify sounds in a _____ fashion.

A. Distorted.
B. Linear.
C. Non-linear.
D. Modulated.
E. Transduced.

A

C. Non-linear.

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17
Q

The receiver of the hearing instrument on a CROS fitting system is: (check all that apply)

A. Counter Rectifying Otoscopic Synthesis
B. On the normal hearing ear.
C. On the opposite ear from the amplifier.
D. Either Analog or Digital depending on specific patterns in the audiogram.
E. A Mastoid Process.
F. In the middle ear only.

A

B. On the normal hearing ear.
*possibly C. but shows as incorrect in quiz so don’t answer that until fixed ?

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18
Q

Middle ear implants replace the:

A. Malleus.
B. Incus.
C. Stapes.
D. Tympanic membrane.

A

C. Stapes.

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19
Q

The first transistor hearing aid was developed in:

A. 1923
B. 1947
C. 1951
D. 1953
E. 1963

A

D. 1953

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20
Q

The Complete-In-Canal (CIC) hearing instrument is _____ hidden from the view of others.

A. Partially.
B. Mostly.
C. All but the faceplate.
E. Totally.

A

C. All but the faceplate.

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21
Q
  1. _____ is the term used to describe a loss of auditory sensitivity.

A. Auditory deprivation.
B. Nerve damage.
C. Attenuation.
D. Hair cell breakage.
E. Sensorineural recruitment

A

C. Attenuation.

22
Q

Cochlear implants (Cis) contain a microphone, speech processor, and _____.

A. Implanted receiver.
B. Implanted chip.
C. Implanted FM system.
D. Supplanted receiver.
E. Supplanted electrode array.
F. Implanted electrode array.

A

F. Implanted electrode array.

23
Q

Algorithms are used to control digital signal processing strategies within hearing instruments.

A. True
B. False

A

A. True

23
Q

Distortion complicates:

A. CTP (Cochlear Tonotopic Pressure)
B. Hearing fainter sounds in background noise.
C. Re-learning the interoctave sounds.
D. Algorithmic re-training.
E. Effusive double consonants.

A

B. Hearing fainter sounds in background noise.

23
Q

Surgeries not involving the middle ear are:

A. Middle ear implants.
B. Stapedectomies.
C. Cochlear implants.
D. Tympanoplasties.
E. Myringotomies.

A

C. Cochlear implants.

24
Q

Implantable devices are only indicated for sensorineural hearing loss.

A. True
B. False

A

B. False

25
Q

Analog instruments convert mechanical signals to _____ signals next.

A. Digital.
B. Digitally controlled bio-acoustical.
C. Electro-acoustical.
D. Electric.
E. Phase-delayed acoustical.

A

D. Electric.

26
Q

Analog instruments convert acoustical signals to _____ signals first.

A. Acoustical.
B. Mechanical.
C. Electrical.
D. Digital.
E. Contra-lateral.

A

B. Mechanical.

27
Q

Advanced microphones are capable of capturing sound:

A. i.e. “selecting out” voices
B. In modified directions.
C. Tri-phonic attenuation of noise
D. echo location of a digitally selected frequency

A

B. In modified directions.

27
Q

Compression aids _____ distortion at _____ levels of output.

A. Modify, high.
B. Transduce, mild.
C. Pass through, moderate.
D. Reduce, uncomfortable.
E. Increase, comfortable.

A

D. Reduce, uncomfortable.

28
Q

The bio-amplifier of the cochlea is usually destroyed with the insertion of the electrode array during the cochlear implant (CI) process.

A. True
B. False

A

A. True

29
Q

The percentage of PWHL (persons with hearing loss) who have sensorineural hearing loss is:

A. 80
B. 85
C. 90
D. 95
E. 68

A

E. 68

30
Q

The characteristic best describes an in-the-ear (ITE) style of hearing instrument?

A. It is the least obvious or visible to others.
B. It feels full in the patients ear.
C. It is too small to handle dual microphones.
D. It has the least flexibility for venting.

A

B. It feels full in the patients ear.

31
Q

A hearing instrument receiver:

A. Provides capacitance.
B. Is a pass-through transistor.
C. Transduces electrical waves into acoustical waves.
D. Provides the final amplification before the patient receives sound.

A

C. Transduces electrical waves into acoustical waves.

32
Q

The first patent for an electronic hearing aid

A. 1972
B. 1860
C. 1892
D. 1912

A

C. 1892

33
Q

Linear amplification devices are known to:

A. Be the most durable of all circuitries.
B. Be prone to breakdown.
C. Amplify all sounds the same amount.
D. last longer than other hearing aids.
E. Reduce the amplification of loud noises.

A

C. Amplify all sounds the same amount.

33
Q

The fitting of a completely-in-the canal hearing instrument requires _____ gain/amplification.

A. Less gain than other styles of hearing instruments
B. More gain than other styles of hearing instruments
C. It requires about the same gain as other styles of hearing instruments

A

A. Less gain than other styles of hearing instruments

34
Q

Circuitry used today in almost all post-1998 hearing instruments is:

A. Analog.
B. Digitally controlled analog.
C. Wide dynamic range compression.
D. Digital transduction technology.
E. Digital Signal Processing.

A

E. Digital Signal Processing.

35
Q

Middle ear implants utilize an audio processor which requires a _____ to work.

A. Floating mass transducer.
B. Floating processing transformer.
C. Flat Medial transducer.
D. Fourier Mass Transponder.

A

A. Floating mass transducer.

35
Q

A hearing instrument algorithm is:

A. The smoothing of dissonant peaks in noise.
B. A signature mathematical signal to noise ratio e.g. Rx=AuH20>LBJ
C. Computer controls for analog instruments.
D. Digital signal processing parametric instructions.

A

D. Digital signal processing parametric instructions.

36
Q

A microphone is:

A. A transistor
B. A diode device
C. A transducer
D. A capacitor

A

C. A transducer

36
Q

CROS hearing instruments are instruments which provide:

A. Ipsilateral routing of signals to the poor ear.
B. Provide better localization in the poorer ear.
C. Contra-lateral routing of signal.
D. Contraposed Rerouting of Sensory input.
E. Crossover prevention of noise.

A

C. Contra-lateral routing of signal.

37
Q

DSP converts:

A. Sound to chips.
B. Acoustical waves to numerical data.
C. Cannot be precisely adjusted to fit a patient’s hearing loss.
D. Is more delicate than analogs.

A

B. Acoustical waves to numerical data.

38
Q

The in-the-canal (ITC) style disadvantages are: (check all that apply)

A. It is very easy to insert in the wrong ear.
B. It is only for mild losses.
C. It is easy to insert upside down.
D. It is easy to lose.
E. It requires a high dexterity level.
F. It can be easily dislodged.

A

D. It is easy to lose.
E. It requires a high dexterity level.
F. It can be easily dislodged.

39
Q

The first bone conduction device was developed in:

A. 1451
B. 1551
C. 1670
D. 1929
E. 2002

A

B. 1551

40
Q

The cochlear implant (CI) electrode array is placed inside the _____.

A. Scala Vestibuli.
B. Cochlear duct.
C. Endolymphatic duct.
D. Scala tympani.
E. Tonotopic zone.

A

D. Scala tympani.

41
Q

A patient’s dynamic range is:

A. One’s residual level of hearing.
B. One’s available hearing.
C. The range between what’s comfortable and too loud.
D. The range between the faintest a person can hear and the loudest they can tolerate for about 5 seconds.
E. How well the patient understands after being fitted with hearing instruments.

A

D. The range between the faintest a person can hear and the loudest they can tolerate for about 5 seconds.

42
Q

Digitally controlled analog instruments were the first instruments to offer:

A. Multiple volume settings.
B. Multiple memory settings.
C. Adaptable volume controls.
D. Adaptable compression.

A

B. Multiple memory settings.

43
Q

The indication for CROS is:

A. One better ear and one poorer ear.
B. One occluded ear and one non-occluded ear.
C. One normal ear and one ear with profound sensorineural hearing loss.
D. One normal ear and one mild loss.

A

C. One normal ear and one ear with profound sensorineural hearing loss.

43
Q

A large increase in the perceived loudness of a signal produced by relatively small increases in intensity above threshold is termed:

A. Peak attenuation.
B. Recurring phase distortion.
C. Subjective nerve disorder.
D. Recruitment.
E. Retirement

A

D. Recruitment.

44
Q

Which is NOT correct regarding digital signal processor (DSP) hearing instruments?

A. It is the first-generation hearing instrument technology.
B. It is the current technology offered by hearing instrument manufacturers.
C. It allows for precise amplification adjustments.
D. It uses algorithms in its amplification strategy.

A

A. It is the first-generation hearing instrument technology.

45
Q

The amplifier:

A. Amplifies the signal.
B. Changes the form of the acoustical signal.
C. Changes the electrical signal into an acoustical wave.
D. Reduces distortion.

A

A. Amplifies the signal.

46
Q

Attenuation involving sensorineural hearing loss creates an auditory condition which involves:

A. increased sensitivity to sound
B. decreased sensitivity to sound
C. increased tolerance to sound
D. decreased tolerance to sound

A

B. decreased sensitivity to sound

Hearing Aid Academy Quiz Study (13 decks)

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