CSD Exam 2 UPDATED QUESTIONS
AND CORRECT ANSWERS
Which of the following processes is performed by the pinna? (Select all that apply.)
- amplification
- funneling
- filtering
- rejection - CORRECT ANSWERS funneling & filtering
The tympanic membrane transfers vibrations from ______ to the ______ - CORRECT
ANSWERS air / ossicles
The peripheral auditory system consists of (select all that apply):
- the brainstem
- the inner ear
- the middle ear
- the midbrain
- the auditory cortex
- the external ear - CORRECT ANSWERS inner ear / middle ear / external ear
T/F The pinna helps us in localizing sounds when the sound source is in the median plane. -
CORRECT ANSWERS True
The middle ear is important because: - CORRECT ANSWERS it matches the
impedance of the air in the ear canal with the fluid in the cochlea
When you are in an airplane and your ears "pop", which part of the middle ear is involved in
this "pop"? - CORRECT ANSWERS the Eustachian tube
The ossicles are connected to the cochlea via the _________________. - CORRECT
ANSWERS oval window
, The thumbtack analogy works for the sounds boosted by the middle ear because the _______
is bigger than the ________ - CORRECT ANSWERS tympanic membrane / oval
window
The cochlea is where _______________ occurs. (Select all that apply.)
- sound localization
- transduction
- impedance matching
- separation of frequency components - CORRECT ANSWERS transduction &
separation of frequency components
Top chamber of the cochlea - CORRECT ANSWERS scala vestibuli
Middle chamber of the cochlea - CORRECT ANSWERS scala media
Bottom chamber of the cochlea - CORRECT ANSWERS scala tympani
T/F The cochlear traveling wave is the same as a sound wave. - CORRECT
ANSWERS False (it is like a surface wave)
The place on the basilar membrane where the characteristic frequency = 1 kHz is: -
CORRECT ANSWERS the place where the movement is maximal when you put in a 1
kHz tone
Which of the following parts of the inner ear does not take part in hearing?
- scala tympani
- scala vestibuli
- organ of Corti
- semicircular canals - CORRECT ANSWERS semicircular canals
AND CORRECT ANSWERS
Which of the following processes is performed by the pinna? (Select all that apply.)
- amplification
- funneling
- filtering
- rejection - CORRECT ANSWERS funneling & filtering
The tympanic membrane transfers vibrations from ______ to the ______ - CORRECT
ANSWERS air / ossicles
The peripheral auditory system consists of (select all that apply):
- the brainstem
- the inner ear
- the middle ear
- the midbrain
- the auditory cortex
- the external ear - CORRECT ANSWERS inner ear / middle ear / external ear
T/F The pinna helps us in localizing sounds when the sound source is in the median plane. -
CORRECT ANSWERS True
The middle ear is important because: - CORRECT ANSWERS it matches the
impedance of the air in the ear canal with the fluid in the cochlea
When you are in an airplane and your ears "pop", which part of the middle ear is involved in
this "pop"? - CORRECT ANSWERS the Eustachian tube
The ossicles are connected to the cochlea via the _________________. - CORRECT
ANSWERS oval window
, The thumbtack analogy works for the sounds boosted by the middle ear because the _______
is bigger than the ________ - CORRECT ANSWERS tympanic membrane / oval
window
The cochlea is where _______________ occurs. (Select all that apply.)
- sound localization
- transduction
- impedance matching
- separation of frequency components - CORRECT ANSWERS transduction &
separation of frequency components
Top chamber of the cochlea - CORRECT ANSWERS scala vestibuli
Middle chamber of the cochlea - CORRECT ANSWERS scala media
Bottom chamber of the cochlea - CORRECT ANSWERS scala tympani
T/F The cochlear traveling wave is the same as a sound wave. - CORRECT
ANSWERS False (it is like a surface wave)
The place on the basilar membrane where the characteristic frequency = 1 kHz is: -
CORRECT ANSWERS the place where the movement is maximal when you put in a 1
kHz tone
Which of the following parts of the inner ear does not take part in hearing?
- scala tympani
- scala vestibuli
- organ of Corti
- semicircular canals - CORRECT ANSWERS semicircular canals
