Audilogy Terms

Question 1

What happens from week 4 to 8 gestation?

Answer 1

3 germ layers grow and develop landmarks which later develop into organs

Question 2

What are the three layers called?

Answer 2

ectoderm
medoderm
endoderm

Question 3

ectoderm

Answer 3

create the central and peripheral nervous system. Including the inner ear.

Question 4

Mesoderm

Answer 4

Heavily involved in bone ,cartilage, muscles

Question 5

endoderm

Answer 5

epithelia membranes of the digestive and respiratory system.

Question 6

When is ear development complete?

Answer 6

20th week of gestation.

Question 7

How long does the external ear continue to mature for?

Answer 7

age 9

Question 8

Neuroplasticity

Answer 8

• brain’s ability to reorganize itself.
• Forms new connections and pathways in response to sensory and motor input.
• Learning new skills or in creating new memories upon which to build additional behaviors.

Question 9

Critical periods

Answer 9

first 2 or 3 years of life

Question 10

Moro reflex

Answer 10

hear, arm and whole body startle reflex

Question 11

Aural palpebral response

Answer 11

eye blink

Question 12

Apgar score

Answer 12

At birth the newborn is graded for how sick or healthy he/she is at 1 minute and again at 5 minutes.

Question 13

Atresia

Answer 13

a completely filled in or closed external ear canal

Question 14

Exostoses

Answer 14

multiple bony growths

Question 15

Osteomas

Answer 15

single bony growth

Question 16

Serous OM:

Answer 16

OM with fluid (effusion) that is clear and without pus or blood.

Question 17

Adhesive OM

Answer 17

usually the result of chronic long term OM with a sticky effusion. Fibroblasts or fibers in it.

Question 18

Tympanosclerosis

Answer 18

Shiny white deposits of hyalinized or calcified scar tissue.

Question 19

Cholesteatoma

Answer 19

leave a little pocket in this outer layer and the dead cells fall into it causing a skin filled cyst to grow into the middle ear.

Question 20

Childhood Infections that can cause hearing loss.

Answer 20

Meningitis:

Viral Diseases

Question 21

Auditory Neuropathy Spectrum Disorder

Answer 21

may show normal hearing to pure tones or only a mild to moderate loss while having great difficulty understanding speech.

similar to CAPD

Question 22

What age do you use behavioral observation?

Answer 22

0-6months

Question 23

What do you look for with behavioral observation

Answer 23

moro reflexes, aural, or any response

Question 24

What age do you use Visual Reinforcement Audiometry?

Answer 24

6 months-2years

Question 25

How does Visual Reinforcement Audiometry work?

Answer 25

- Condition child to turn his/her head to the right when a sound is presented from that side and to the left when coming from the left side. - After the child is considered “conditioned” in that he/she consistently looks right and left, testing can commence. - randomly choose right or left and reduce the stimulus in 10 or 15dB steps.

Question 26

What age do you use conditioned play audiomtery?

Answer 26

2-4 yearrs

Question 27

2 types of speech audiomtery

Answer 27

SAT | SRT

Question 28

SAT

Answer 28

awareness

Question 29

SRT

Answer 29

understanding

Question 30

Typanametry

Answer 30

measures the reflected sound under various air pressure placed on the outside of the eardrum.

Question 31

Acoustic Reflex Thresholds

Answer 31

measures presence or absence of reflexes

Question 32

Otoacoustic Emissions

Answer 32

measures sounds that come out of the ear from the inner ear.

Question 33

Sensitivity

Answer 33

failing those who should fail

Question 34

Specificity

Answer 34

passing those who should pass

Question 35

False Positives

Answer 35

How often does the test identify normal hearers as being hearing impaired?

Question 36

False Negatives (FN)

Answer 36

How often does the test falsely identify a hearing impaired child as being normal?

Question 37

incidence

Answer 37

frequency of new outbreaks

Question 38

What does JCIH reccomend ?

Answer 38

all infants should be screened using a physiologic test rather than a behavioral hearing test prior to 1 month of age.

Question 39

Hearing aid styles

Answer 39

BTE | ITE

Question 40

Which hearing aid style is besst for children?

Answer 40

BTE

Question 41

What have probe microphone measurements done?

Answer 41

moved hearing aid fitting from art to science

Question 42

What is validation?

Answer 42

the check of how child is doing with hearing aid

Question 43

Forms of validation

Answer 43

Hearing threshold across frequencies Most comfortable level (MCL) uncomfortable loudness level maximum output of hearing aid

Question 44

Minimum age reccomendation of cochlear implants?

Answer 44

12 months

Question 45

Educational Goals for the Child with Hearing Loss

Answer 45

1. limited language skills | 2. poor reading

Question 46

AUDITORY-ORAL & AUDITORY VERBAL METHODS

Answer 46

rely on strict use of audition.

Question 47

Educational methodologies

Answer 47

``` auditory-oral and auditory verbal methods visual oral speech reading ASL TC Cued speech ```

Question 48

Auditory Neuropathy Spectrum Disorder

Answer 48

characterized by normal hair cell function and absent or abnormal nerve function t