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Effect of Sound Waves on Cochlear Structures

View the animation below, then complete the quiz to test your knowledge of the concept.






1During hearing, which of the following is the first to vibrate?
A)basilar membrane
B)tympanic membrane
C)hair cells of spiral organ
D)oval window
E)stapes



2During hearing, which of the following is the last to vibrate?
A)basilar membrane
B)tympanic membrane
C)hair cells of spiral organ
D)oval window
E)stapes



3The foot plate is part of the
A)malleus.
B)spiral organ.
C)incus.
D)tympanic membrane.
E)stapes.



4The middle ear has four bones.
A)True
B)False



5Short wavelengths, from high pitched sounds, cause displacement of the basilar membrane near the oval window.
A)True
B)False







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