Chapter 3

Question 1

A cochlear implant is a device used to substitute the function of the _ _

Answer 1

Middle ear

Question 2

A cochlear transmits _ energy into _ energy

Answer 2

Sound energy into electrical energy

Question 3

This electrical energy will initiate impulses to the _ nerve

Answer 3

Auditory nerve

Question 4

When will the CI benefit children the most?

Answer 4

The younger they are, the more benefit

Question 5

Most adults with postlingual onset of severe or profound hearing loss demonstrate dramatic improvements in:

Answer 5

Speech recognition

Question 6

Candidacy guidelines for CI is always _

Answer 6

Changing

Question 7

What is the old mindset?

Answer 7

CIs are last resort and only for people with profound hearing loss

Question 8

What is the new mindset?

Answer 8

CI candidates can be as young as 12 months old. Their hearing loss can be severe to profound.

Question 9

Monopolar stimulation spreads current over a _ area because it has a larger population of _

Answer 9

Wider, neurons

Question 10

Bipolar has a smaller population of neurons, so it spreads a current within a _ area

Answer 10

Restricted

Question 11

If two electrodes are close to each other, stimulation is:

Answer 11

Bipolar

Question 12

If two electrodes are far apart, stimulation is:

Answer 12

Monopolar

Question 13

Stimulation that consists of electrical current that varies continuously over time is called:

Answer 13

Analog

Question 14

Stimulation that consists of trains of square-wave biphasic pulses is called:

Answer 14

Pulsatile

Question 15

What is the pattern of analog stimulation?

Answer 15

Simultaneous

Question 16

What is the pattern of pulsatile stimulation?

Answer 16

Sequential

Question 17

Simultaneous stimulation is more than _ electrode is stimulated at the same time

Answer 17

One

Question 18

Non-simultaneous is when electrodes are stimulated in:

Answer 18

Sequence, one at a time

Question 19

The amplitude of the analog waveform determines the perceived _ of the stimuli

Answer 19

Loudness

Question 20

Device fitting is also called:

Answer 20

Mapping

Question 21

The T-level (threshold level) represents the stimulation that the child perceives as very _

Answer 21

Soft

Question 22

The M-level (most comfortable level) represents the stimulation level that the child perceives as _ _

Answer 22

Most comfortable

Question 23

The RF level (radio frequency level) is required to maintain the proper communication between:

Answer 23

The internal and external components of the CI

Question 24

The system is said to be “locked” when:

Answer 24

The external equipment is properly sending a signal to the internal device

Question 25

You should refer a child to an audiologist when there are changes in:

Answer 25

Sound awareness Behavior Speech production Processor settings on CI

Question 26

A _ approach is most often taken to determine if a child is a candidate

Answer 26

Team

Question 27

Who's involved in a team approach?

Answer 27

Surgeon, audiologist, SLP, psychologist, academic educators, parent/caregiver

Question 28

How long after surgery does the patient need to wait to be fitted for the external components of the CI?

Answer 28

3-6 weeks

Question 29

What are two reasons why programming the CI is more difficult for children then adults?

Answer 29

Children don't have the same experience with sound and language (can't give as much feedback) Kids don't have the attention span to sit for an hour of programming

Question 30

_ _ is a key factor for success of the cochlear implant

Answer 30

Aural rehabilitation