aural: exam 3

Question 0

Newborn hearing screenings

Answer 0

Universal
Every baby tested before leaving hospital
Pass/ refer
30-40 dB HL
500-4000 hz

Question 1

Infant toddler HL

Answer 1

3/1000 at birth
6/1000 acquire by school age
1.4 mill

Question 2

Risk factors

Answer 2

Family history
Low birth weight <3.3lbs
Low apgar (appearance, pulse, grimace, activity, respiration)
Prenatal infection, meningitis
Ototoxic meds
Ventilator >5 days
Craniofacial anomalies
Syndromes
Jaundice (transfusion)

Question 3

Infant toddler Hearing tests

Answer 3

ABR- auditory brainstem response
OAE- oto acoustic emissions
BOA- behavioral obs audiometry
VRA- visual reinforcement audiom
CPA- conditioned play audiom

Question 4

ABR

Answer 4

Most comprehensive test
Electrophysiolog 8th nerve
Sleeping child
1500 - 4000 hz
Latency 
Pass refer

Question 5

Otoacoustic emissions

Answer 5

Spontaneous emitted sounds by outer hair cells, measured in ear canal
Screen by non audiologist
2 3 4 5000 h
Record better than 30 dB (greater loss= no OAE)

Question 6

Behavioral observation audiometry

Answer 6

Response- sucking, eye widen
Not for thresholds
Can rule out profound loss

Question 7

Visual reinforcement audiometry

Answer 7

6 mos to 2.5
Indiv ear info if earphones tolerated
Conditioned response
Head turn to sound is reinforced w visual stimuli

Question 8

Conditioned play audiometry

Answer 8

2 yrs or older
Wait and listen
Familiar toys

Question 9

Prelingual deafness causes

Answer 9

25% idiopathic
25% non genetic
50% genetic (30% syndrome)

Question 10

Waardenburg syndrome

Answer 10

Autosomal dominant
Varying SNHL
White forelock
Different color iris
Skin pigment discoloration

Question 11

Usher syndrome

Answer 11

Autosomal recessive
SNHL
Retinitis pigmentosa-night blindness, loss peripheral vision

Question 12

Alport

Answer 12

X linked
Progressive SNHL
Renal disease
Ophthalmic issue

Question 13

Communication mode

Answer 13

ASL
Manually coded English 
Oral
Multi sensory
Auditory verbal
Unisensory
Cued speech

Question 14

Classroom noise

Answer 14

50 to 60 dba spl
Need +6 SNR for optimal auditory comp
Reverberation magnifies noise

Question 15

Assessing school speech

Answer 15

Segmental-sound errors
Suprasegmentals- rhythm and prosody
Residual hearing= fewer speech errors
Profound > 20% intelligible

Question 16

Speech sample

Answer 16

Imitate isolated words or sentences
Citation speech sample
Resell story
Speak spontaneously

Question 17

Adult HL prevalence

Answer 17

49% believe have HL
33% hearing test
1/6 reported loss
48-59 yrs (19% of males, 7% females)

Question 18

Adult HL Causes

Answer 18

Noise exposure (51%)- notch on audio gram
Age 37%
Medical condition 18%

Question 19

Adult HL females

Answer 19

lose self esteem, use nonverbal repair, greater negative self and interpersonal feelings, acknowledge loss, report difficulties

Question 20

Adult HL males

Answer 20

Feel loss of providing financially
Poorer word recog skill
Fewer repair strategies
Likely to bluff

Question 21

Tinnitus

Answer 21

10-15% of adults

70-80% also HL

Question 22

Deaf culture

Answer 22

May seek assistive devices, interpretation, academic vocation counseling, speech assessment
NOT
hearing tests, aids, CI, AR