CSDS 103 retake

which of the following is not part of the outer ear?

stapedius muscle

outer ear

acoustic

middle ear

mechanical

inner ear

hydrodynamic

central auditory nervous system

electrochemical

ossicular chain

transmits sound from the tympanic membrane to the oval window

organ of corti

sensory organ in the cochlea, contains hair cells, responsible for the transduction of sound to neural signals

oval window

a membrane covered opening from the middle ear to the inner ear

which is true of the impendance mismatch in the middle ear?

30 dB increase

25 dB increase as a result of the area difference between the ear drum and oval window

5 dB increases due to the lever principle of the ossicles

all of the above

which is not true of the inner ear?

air filled space

which of the following best describes sensorineural hearing loss?

missing hair cells for hearing

what is true about tonotopic organization?

high frequencies are processed at the base of the cochlear duct

what is true about diphthong perception?

the transitions between the formats is needed for the perception of dipthongs

what can best describes the function of the middle ear?

impedance mismatch

Eustachian tube something

(can’t remember)

all of the above

what is true about deafness and hearing loss?

type of hearing loss

severity of hearing loss

pattern it makes on the audiogram

all of the above

which is true about the function of the inner ear?

involved in balance

involved in hearing

all of the above

what is age related hearing loss called?

presbycusis

what are the 3 types of hearing loss?

conductive, sensorineural, and mixed

what are the 2 main functions of the inner ear?

balance

hearing

all of the above

what is NOT part of the middle ear?

cochlea

which is NOT part of the inner ear?

pinna

which of the following models describes when you have three of something and they’re representations of .. the inter connectivness of … (can’t remember the exact wording)?

TRACE model

which of the following models would explain the perception of “it’s raining hard” when hearing the phrase “it’s raining cats and dogs”?

fuzzy logical model of perception

how many people worldwide having hearing loss?

430 million people

what is conductive hearing loss?

a type of hearing impairment where sound waves are unable to pass through the OUTER and MIDDLE ear to reach the inner ear

what is sensorineural hearing loss?

impacts INNER ear

what is mixed hearing loss?

A & C ( a combination of conductive & sensorineural hearing loss)

how does the tympanic membrane vibrate in response to low frequencies?

vibrates the whole membrane

which does NOT describe the outer ear?

low pass filter

which of the following is not part of the inner ear?

stapedius muscle (i)

which of the following best describes conductive hearing loss?

issues with mechanical structure of the outer and middle ear

which does not describe the middle ear?

bridge between the tympanic membrane & the cochlea