The Following Is a List of Steps That Occur in the Production

question 42

Multiple Choice

The following is a list of steps that occur in the production of an auditory sensation. 1) The pressure wave distorts the basilar membrane on its way to the round window causing vibrations in the endolymph.
2) Movement of the tympanic membrane causes displacement of the malleus.
3) Action potentials are induced in the sensory neurons of the cochlear nerve (CN VIII) .
4) Movement of the malleus causes movement of the incus and stapes.
5) Distortion of the basilar membrane forces the hair cells of the organ of Corti toward or away from the tectorial membrane.
6) Movement of the oval window establishes pressure waves in the perilymph in the scala vestibuli.
7) The microvilli of the hair cells bend.
What is the proper sequence of these steps?

• A)1,2,3,4,5,6,7
• B)2,4,6,1,5,7,3
• C)2,4,1,6,5,7,3
• D)2,5,4,6,1,3,7
• E)2,4,1,6,5,3,7