CH. 4 - Causes of Hearing Disorders

Question 1

hearing disorder that interferes with transmission of signals from cochlear hair cells to VIIIth nerve

Answer 1

Auditory neuropathy

Question 2

drugs that can cause abnormal embryologic development if ingested by mother

Answer 2

Teratogenic drugs

Question 3

new bone formation around stapes and oval window

Answer 3

Otosclerosis

Question 4

inflammation of auditory nerve

Answer 4

neuritis

Question 5

common cause of retrocochlear hearing disorder

Answer 5

cochleovestibular schwannoma (acoustic tumor)

Question 6

outer and middle ear disorders are usually ___ in nature

Answer 6

structural

Question 7

congenital absence of opening to EAM

Answer 7

Atresia (ear is atretic)

Question 8

excessive production of cerumen in EAM

Answer 8

Ceruminosis

Question 9

audiology name for reduction in magnitude

Answer 9

attenuation

Question 10

inflammation of external ear

Answer 10

Otitis externa

Question 11

Middle ear inflammation with fluid leakage

Answer 11

Otitis media with effusion

Question 12

TM perforation classified by

Answer 12

location

Question 13

conditions that are inherited

Answer 13

endogenous

Question 14

conditions that are not necessarily inherited

Answer 14

Exogenous

Question 15

type of inherited hearing disorder that is part of a constellation of other disorders

Answer 15

syndromic hearing disorder

Question 16

autosomal recessive or dominant genetic condition where there is NO OTHER significant feature besides hearing loss

Answer 16

nonsyndromic hearing disorder

Question 17

Primary cause of sensorineural hearing loss in infants/young kids

Answer 17

Nonsyndromic Hereditary Hearing Disorder

Question 18

hearing loss due to age

Answer 18

Presbyacusis

Question 19

Noise-induced hearing loss on an audiogram is visible by a reverse peak at this frequency

Answer 19

4k-6k

Question 20

Two biggest factors that factor into noise damage

Answer 20

Intensity
Duration

Question 21

in otosclerosis, bone conduction is worse around this frequency

Answer 21

2K

Question 22

identify the cause of this HL

Answer 22

noise induced hearing loss

Question 23

identify the cause of this HL

Answer 23

otosclerosis

Question 24

this disorder is responsible for most of the sensorineural hearing loss in infants and young kids

Answer 24

nonsyndromic

Question 24

ototoxic drugs usually start as this type of loss

Answer 24

high-frequency

Question 24

what causes Ménière’s Disease

Answer 24

accumulation of endolymph in cochlear and vestibular labyrinths

Question 24

congenital hearing loss often looks this

Answer 24

a valley

Question 25

congenital abnormal smallness of auricle

Answer 25

microtia

Question 26

complete absence of ear canal called

Answer 26

Anotia

Question 27

abnormal smallness of body structures, often asymmetrical

Answer 27

Microsomia

Question 28

in this disease, the bones of the face don't completely develop

Answer 28

Goldenhar syndrome

Question 29

in this disease, the ossicles are malformed

Answer 29

Ossicular dysplasia

Question 30

cerumenosis is most common in this population

Answer 30

older

Question 31

name for outer ear infection

Answer 31

otitis externa

Question 32

swimmer's ear is this type of infection

Answer 32

otitis externa

Question 33

Most common cause of transient conductive hearing loss with children

Answer 33

otitis media with effusion

Question 34

what percent of kids have otitis media by age 6

Answer 34

76-95%

Question 35

About ___ % of kids who have otitis media before age 1 will have it 6+ more times for the next two years

Answer 35

50

Question 36

Name three potential complications that can occur when otitis media is untreated

Answer 36

-tympanic membrane perforation -cholesteatoma -tympanosclerosis

Question 37

trauma from sudden change in atmospheric pressure

Answer 37

barotrauma

Question 38

drugs that are harmful to the hearing mechanism are ___

Answer 38

ototoxic

Question 39

most common cause of hearing loss

Answer 39

presbyacusis

Question 40

Most common neoplastic growth affecting auditory nerve

Answer 40

cochleovestibular schwannoma (acoustic tumor)

Question 41

anatomy word for "narrowing"

Answer 41

stenosis