Chapter 03: Adult Sensorineural Hearing Loss

Question 1 of 54

1. Question

The oldest type of amplification is:

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

Question 2 of 54

2. Question

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.

Question 3 of 54

3. Question

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.

Question 4 of 54

4. Question

In the final stage of the operation, Analog instruments convert electrical signals into_________ ?

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

Question 5 of 54

5. Question

The first eyeglass hearing instrument patent was granted in:

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

Question 6 of 54

6. Question

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

A. True
B. False

Question 7 of 54

7. Question

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.

Question 8 of 54

8. Question

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.

Question 9 of 54

9. Question

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

Question 10 of 54

10. Question

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.

Question 11 of 54

11. Question

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.

Question 12 of 54

12. Question

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

Question 13 of 54

13. Question

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

Question 14 of 54

14. Question

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.

Question 15 of 54

15. Question

Two disadvantages of the completely-in-canal (CIC) style of instrument are: (check all that apply)

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.

Question 16 of 54

16. Question

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.

Question 17 of 54

17. Question

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

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

Question 18 of 54

18. Question

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.

Question 19 of 54

19. Question

The first transistor hearing aid was developed in:

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

Question 20 of 54

20. Question

Middle ear implants replace the:

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

Question 21 of 54

21. Question

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.

Question 22 of 54

22. Question

_____ 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

Question 23 of 54

23. Question

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.

Question 24 of 54

24. Question

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.

Question 25 of 54

25. Question

Surgeries not involving the middle ear are:

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

Question 26 of 54

26. Question

Implantable devices are only indicated for sensorineural hearing loss.

A. True
B. False

Question 27 of 54

27. Question

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

A. True
B. False

Question 28 of 54

28. Question

Analog instruments convert mechanical signals to _____ signals next.

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

Question 29 of 54

29. Question

Analog instruments convert acoustical signals to _____ signals first.

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

Question 30 of 54

30. Question

Compression aids _____ distortion at _____ levels of output.

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

Question 31 of 54

31. Question

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

Question 32 of 54

32. Question

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

Question 33 of 54

33. Question

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

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

Question 34 of 54

34. Question

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.

Question 35 of 54

35. Question

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.

Question 36 of 54

36. Question

The first patent for an electronic hearing aid

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

Question 37 of 54

37. Question

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

Question 38 of 54

38. Question

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.

Question 39 of 54

39. Question

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.

Question 40 of 54

40. Question

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.

Question 41 of 54

41. Question

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.

Question 42 of 54

42. Question

A microphone is:

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

Question 43 of 54

43. Question

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.

Question 44 of 54

44. Question

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.

Question 45 of 54

45. Question

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.

Question 46 of 54

46. Question

The first bone conduction device was developed in:

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

Question 47 of 54

47. Question

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.

Question 48 of 54

48. Question

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.

Question 49 of 54

49. Question

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.

Question 50 of 54

50. Question

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.

Question 51 of 54

51. Question

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

Question 52 of 54

52. Question

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.

Question 53 of 54

53. Question

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.

Question 54 of 54

54. Question

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