The auditory system is responsible for converting sound waves in the environment into electrical signals that the brain can receive and utilize as useful information about the sound characteristics of the external environment. Test your basic knowledge of auditory physiology by taking this simple quiz.
(1) Throughout the entire length of the cochlear duct, the basilar membrane and the Reissner's membrane divide the cochlear duct into three fluid-filled chambers known as the scala vestibuli, scala media, and sacla tympani. The scala vestibuli and scala media are separated by the __________.
(2) Throughout the entire length of the cochlear duct, the basilar membrane and the Reissner's membrane divide the cochlear duct into three fluid-filled chambers known as the scala vestibuli, scala media, and sacla tympani. The scala tympani and scala media are separated by the __________.
(3) The great majority (up to 95%) of the afferent (i.e., sensory) fibers of the auditory nerve innervate the __________ of the cochlea.
(4) The majority of the efferent fibers of the auditory nerve innervate the __________ of the cochlea.
(5) Afferent and efferent auditory fibers are a part of this cranial nerve.