hearing

Question 1

problem in external or middle ear prevent sound 4m being conducted to inner ear

Answer 1

conductive hearing loss

Question 2

caused by wax in external ear, otitis media (infection of middle ear), ruptured eardrum

Answer 2

conductive hearing loss

Question 3

impaired function of inner ear or nerve pathway caused by congenital factors (present @ birth), severe viral infections or acoustic trauma (damage to cochlea by sudden exposure loud sound)

Answer 3

sensorineural hearing loss

Question 4

caused by combo of sensorineural, conductive (dysfunction of outer/middle n inner ear

Answer 4

mixed hearing loss

Question 5

child prenatal n medical history

can be congenital (birth) or acquired (loss persons lifetime)

Answer 5

causes hearing loss

Question 6

viral, bacterial or parasitic infect in pregnancy or at birth (rubella, or herpes)
lack o2
rh factor incompatibility with mother
prematurity/ low birth weight
inherited hearing problem

Answer 6

causes congenital (birth

Question 7

frequent ear infection ex otitis media
viral or bac ex meningitis
head injury
excessive exposure to loud noise
head injury
ototoxic drugs (medication prescribed for life threatening ex cancer or kidney disease causing damage to cochlea> permanent hearing loss

Answer 7

causes acquired hearing loss

Question 8

tests hearing sensitivity

Answer 8

audiometer

Question 9

changes frequency of test tone range 250 hz to 6000hz

Answer 9

frequency selector

Question 10

determines earphone will transmit output signal(tone)

Answer 10

output selector switch

Question 11

tone reverse switch

Answer 11

choice tone to be normally ON or OFF

Question 12

pulse, warble, constant

Answer 12

type tone switch

Question 13

minim hearing level where individuals able respond 100%

Answer 13

hearing level (HL) for pure tone

Question 14

if u detect hearing > 5 db difference of any screening frequencies bw 250hz to 6000hz on monthly check check other 2ppl n record at bottom of form (if so audiometer needs electronic calibration)

Answer 14

monthly biological calibration

Question 15

if ambient noise level too loud screen should discontinued. do not increase intensity of test tone more limit 25 db HL

Answer 15

important

Question 16

extraneous sounds in surrounding area (hearing screening area

Answer 16

ambient noise

Question 17

rises 2000,4000,6000hz

lower 1000,500,250 hz

Answer 17

frequency switch

Question 18

0-50db

Answer 18

intensity dial

Question 19

allows screening of many children In short period time to see if hear problem n those who don’t

Answer 19

pure-tone sweep check screening

Question 20

allows screening of many children In short period time to see if hear problem n those who don’t

Answer 20

pure-tone sweep check screening

Question 21

1000,2000,4000hz frei
25 db hl intensity
first right ear then left

Answer 21

pure-tone sweep check screening

Question 22

1000,2000,4000hz frei
25 db hl intensity
first right ear then left
present tones to 2-3 secs
(+) if heard (-) if not

Answer 22

pure-tone sweep check screening

Question 23

record results using DSHS (individual child)

Answer 23

M-40

Question 24

record data group children

Answer 24

M-20

Question 25

no response to any 3 frequencies
child fails initial screening, do another sweep-check screening within 3-4 wks
2nd screen 1 failure in either ear req a referral or extended recheck
failure of 1 frequency during extended recheck req referral

Answer 25

child fails sweep-check screen

Question 26

signs n symptoms observed on 1st screening in classroom
fail 1 freq in either ear during 1st sweep check
if screener observes physical signs of hearin problrm @ time child fails 1st sweep

Answer 26

Refer child further evaluation

Question 27

start right ear with 1000hz
dB 40 (2-3 secs)

Answer 27

2nd sweep-check screen