CSD Exam UPDATED ACTUAL
QUESTIONS AND CORRECT ANSWERS
Which of the following processes is performed by the pinna? (Select all that apply.)
- amplification
- funneling
- filtering
- rejection - CORRECT ANSWER funneling & filtering
The tympanic membrane transfers vibrations from ______ to the ______ - CORRECT ANSWER
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 ANSWER 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 ANSWER True
The middle ear is important because: - CORRECT ANSWER 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 ANSWER the Eustachian tube
The ossicles are connected to the cochlea via the _________________. - CORRECT ANSWER
oval window
, The thumbtack analogy works for the sounds boosted by the middle ear because the _______ is bigger
than the ________ - CORRECT ANSWER tympanic membrane / oval window
The cochlea is where _______________ occurs. (Select all that apply.)
- sound localization
- transduction
- impedance matching
- separation of frequency components - CORRECT ANSWER transduction & separation of
frequency components
Top chamber of the cochlea - CORRECT ANSWER scala vestibuli
Middle chamber of the cochlea - CORRECT ANSWER scala media
Bottom chamber of the cochlea - CORRECT ANSWER scala tympani
T/F The cochlear traveling wave is the same as a sound wave. - CORRECT ANSWER False (it
is like a surface wave)
The place on the basilar membrane where the characteristic frequency = 1 kHz is: - CORRECT
ANSWER 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 ANSWER semicircular canals
The most basal end of the basilar membrane is responsive to ________________ frequencies. -
CORRECT ANSWER high
QUESTIONS AND CORRECT ANSWERS
Which of the following processes is performed by the pinna? (Select all that apply.)
- amplification
- funneling
- filtering
- rejection - CORRECT ANSWER funneling & filtering
The tympanic membrane transfers vibrations from ______ to the ______ - CORRECT ANSWER
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 ANSWER 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 ANSWER True
The middle ear is important because: - CORRECT ANSWER 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 ANSWER the Eustachian tube
The ossicles are connected to the cochlea via the _________________. - CORRECT ANSWER
oval window
, The thumbtack analogy works for the sounds boosted by the middle ear because the _______ is bigger
than the ________ - CORRECT ANSWER tympanic membrane / oval window
The cochlea is where _______________ occurs. (Select all that apply.)
- sound localization
- transduction
- impedance matching
- separation of frequency components - CORRECT ANSWER transduction & separation of
frequency components
Top chamber of the cochlea - CORRECT ANSWER scala vestibuli
Middle chamber of the cochlea - CORRECT ANSWER scala media
Bottom chamber of the cochlea - CORRECT ANSWER scala tympani
T/F The cochlear traveling wave is the same as a sound wave. - CORRECT ANSWER False (it
is like a surface wave)
The place on the basilar membrane where the characteristic frequency = 1 kHz is: - CORRECT
ANSWER 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 ANSWER semicircular canals
The most basal end of the basilar membrane is responsive to ________________ frequencies. -
CORRECT ANSWER high
