Deck 4: Listening Devices and Related Technology

Question 1

Prior to the 20th century, electronic hearing aids were available.

Answer 1

False

Question 2

Siemens first made hearing aids available to the public in 1912.

Answer 2

True

Question 3

The microphone of a hearing aid converts the electric signal into an acoustic signal.

Answer 3

False

Question 4

Maximum power output is the point at which an amplifier no longer provides an increase in output compared to input.

Question 5

The on-off switch of a hearing aid may be part of the hearing aid volume control mechanism.

Question 6

Some hearing aids are too small to have a telecoil.

Question 7

An in-the-ear hearing aid fills less of the concha than an in-the-canal hearing aid.

Question 8

Cost and user preference should be considered when recommending a hearing aid.

Question 9

A cochlear implant is programmed 8-10 weeks following the implant surgery.

Question 10

A Bilateral Contralateral Routing of the Signal (BICROS) fitting is appropriate when both ears have symmetrical hearing loss.

Question 11

Which is not a hearing aid battery size?

A) 5
B) 15
C) 312
D) 13

Question 12

What is a method of limiting hearing aid output in which a constant, or linear, amount of gain is provided across a range of input levels until it reaches a saturation level?

A) compression
B) expansion
C) peak-clipping
D) saturation

Question 13

What delivers sound from the receiver to the ear and helps hold the hearing aid in place?

A) concha
B) earmold
C) tubing
D) anchor

Question 14

Which device is used with a behind-the-ear hearing aid for coupling to a direct audio input cord?

A) audio boot
B) telecoil
C) remote control
D) neckloop

Question 15

A hearing aid remote control can be used to______ .

A) turn up the volume
B) program the hearing aid
C) switch the channels
D) all of the above

Question 16

Which type of hearing aid has the fewest options?

A) in-the-canal (ITC)
B) in-the-ear (ITE)
C) completely-in-the-canal (CIC)
D) behind-the-ear (BTE)

Question 17

Which of the following is a subjective procedure to assess hearing aid benefit?

A) speech recognition test
B) real ear measures
C) aided audiogram
D) questionnaire

Question 18

Which cochlear implant company uses the SPEAK strategy?

A) Advanced Bionics
B) Cochlear Corporation
C) Med-El
D) House Ear

Question 19

What term describes the process of programming the speech processor of a cochlear implant?

A) stimulation
B) T-level
C) loudness balancing
D) mapping

Question 20

________ manufactured the first programmable hearing aid in 1989.

Question 21

_________The hearing aid increases the intensity of sound.

Question 22

A_______ is a cell that provides electrical power.

Question 23

________ automatically switch between an omnidirectional and directional mode, according to environmental conditions.

Question 24

The receiver of a hearing aid converts the____________ signal into a(n)___________ signal.

Question 25

A/An _________ is used to transmit sound to the bones of the skull by means of vibration.

Question 26

An OSPL90 curve is obtained by measuring the hearing aid's output in a __________.

Question 27

A/An ____________ is a microphone transducer that is inserted in the external ear canal to measure sound near the tympanic membrane.

Question 28

________ is a series of steps to follow when a hearing aid will not turn on, if the sound is faint or distorted, or there is feedback. The objective is to determine the problem.

Question 29

The _________ of a cochlear implant is a small wire, inserted into the cochlea, usually through the round window.

Question 30

Match the following definition with their hearing aid terms :

-several parameters of the hearing aid such as gain are controlled by the computer

A) multiple channels
B) programmability
C) digital processing
D) noise reduction
E) acoustic feedback cancellation
F) signal processing

Question 31

Match the following definition with their hearing aid terms :

-manipulation of various parameters of a signal

A) multiple channels
B) programmability
C) digital processing
D) noise reduction
E) acoustic feedback cancellation
F) signal processing

Question 32

Match the following definition with their hearing aid terms :

-the difference in the sound pressure level of a noise measured at two different locations

A) multiple channels
B) programmability
C) digital processing
D) noise reduction
E) acoustic feedback cancellation
F) signal processing

Question 33

Match the following definition with their hearing aid terms :

-feature that avoids the annoying squeal produced by hearing aids when the microphone picks up the amplified sound from the hearing aid and reamplifies it

A) multiple channels
B) programmability
C) digital processing
D) noise reduction
E) acoustic feedback cancellation
F) signal processing

Question 34

Match the following definition with their hearing aid terms :

-signal processing technique wherein the signal is filtered into frequency bands, so that some bands receive more gain or amplification than other bands

A) multiple channels
B) programmability
C) digital processing
D) noise reduction
E) acoustic feedback cancellation
F) signal processing

Question 35

Match the following definition with their terms :

-the decibel ratio of acoustic input to amplifier output

A) kneepoint
B) multiband compression
C) attack time
D) compression ratio
E) release time
F) volume control

Question 36

Match the following definition with their terms :

-the place on an input-output function where compression is activated

A) kneepoint
B) multiband compression
C) attack time
D) compression ratio
E) release time
F) volume control

Question 37

Match the following definition with their terms :

-the time between when a signal begins to the onset of its steady-state amplified value

A) kneepoint
B) multiband compression
C) attack time
D) compression ratio
E) release time
F) volume control

Question 38

Match the following definition with their terms :

-a method of shaping the loudness growth of a signal to maximize speech for a listener using different degrees of compression and output limiting for different frequencies

A) kneepoint
B) multiband compression
C) attack time
D) compression ratio
E) release time
F) volume control

Question 39

Match the following definition with their terms :

-the time it takes for an amplifier to return to its steady state after a loud sound ends

A) kneepoint
B) multiband compression
C) attack time
D) compression ratio
E) release time
F) volume control

Question 40

Match the following definition with their terms :

-hardwired connection that leads directly from the sound source to the hearing aid or other listening device

A) kneepoint
B) multiband compression
C) attack time
D) compression ratio
E) release time
F) volume control

Question 41

Match the following definition with their terms :

-a device that houses an FM receiver and attaches to the base of a hearing aid

A) kneepoint
B) multiband compression
C) attack time
D) compression ratio
E) release time
F) volume control

Question 42

Match the following definition with their terms :

-a listening system in which sound from a microphone is transmitted to loudspeakers that are positioned throughout a room

A) kneepoint
B) multiband compression
C) attack time
D) compression ratio
E) release time
F) volume control

Question 43

Match the following definition with their terms :

-utilizes radio waves to transmit sound from the source to the user

A) kneepoint
B) multiband compression
C) attack time
D) compression ratio
E) release time
F) volume control

Question 44

Match the following definition with their terms :

-an assistive listening device that broadcasts from the sound source to receiver/amplifier by means of light waves

A) kneepoint
B) multiband compression
C) attack time
D) compression ratio
E) release time
F) volume control

Question 45

Match the following definition with their terms :

-a system that works by running a wire around the circumference of a room or table that conducts electrical energy from an amplifier and thus creates a magnetic field, which induces the telecoil in a hearing aid to provide amplified sound to the user

A) kneepoint
B) multiband compression
C) attack time
D) compression ratio
E) release time
F) volume control

Question 46

What are two of the primary objectives for providing an individual with a listening device?

Question 47

Name the two general types of hearing aid microphones and define each.

Question 48

List the six types of hearing aid styles.

Question 49

List three advantages of a behind-the-ear hearing aid.

Question 50

List three advantages of CIC hearing aids.

Question 51

List five self-report measures developed to assess hearing aid benefit.

Question 52

What are the external components of a cochlear implant?

Question 53

What is a hybrid cochlear implant?

Question 54

What is an electrical threshold (T-level)?

Question 55

What does pitch ranking do?

Question 56

What is the gain of the following hearing aid?

Question 57

Mary currently wears two hearing aids but is having difficulty at work, on the telephone, and in all noisy social situations. She has a severe-to-profound bilateral hearing loss. She has recently stopped going to the movies with her friends because of her hearing problems. Based on Mary's situation, what recommendations would you have for her?

Question 58

List and explain the three stages of the amplification process of a typical hearing aid.

Question 59

Define compression and list the three purposes of compression.

Question 60

Identify and describe two advantages to binaural amplification.

Question 61

Detail what should be included in a hearing aid orientation.

Question 62

Describe the candidacy qualifications for receiving a cochlear implant for adults.