The audiogram

Question 1

what is prevalence of hearing loss

Answer 1

3-6/1000 well babies and increase with age

Question 2

what is number 1 risk factor for hearing loss

Answer 2

aging - will increase with boomers

Question 3

2 risk factor

Answer 3

noise - prolonged exposure

Question 4

7 other risk factors

Answer 4

1. male
2. genes
3. diabetes CV
4. smoking
5. substance abuse
6. head trauma
7. NICU babaies

Question 5

what do ototoxic drugs to

Answer 5

damage inner ear or CN 8

Question 6

what are 2 main types of disruptions and what do they tell you?

Answer 6

1. air conduction
2. bone conduction
   - if bone better than air - know you have an outer or middle ear problems

Question 7

5 types of hearing loss

Answer 7

1. conductive - outer/middle ear
2. sensory - cochlea
3. neural - CN8
4. Mixed - both conductive and sensory hearing loss
5. cortical/sentral - beyond the nerve

Question 8

what is threshold for a hearing sensitivity

Answer 8

below a 50% response level

Question 9

what is otitis media with effusion

Answer 9

usually eustacian tube issue and get gunk in middle ear

Question 10

6 non audiogram tests

Answer 10

1. speech stim
2. tests of comfort and discomfort
3. tests of aud. attentioln
4. tympanometry
5. otoaucoustic emmisions
6. auditory evoked potentials

Question 11

5 non medical mgmt of aud loss

Answer 11

1. amplification
2. assitive listening device
3. vibrotactile
4. auditory training
5. speech reading