Auditory information about the frequency and intensity of stimulation is relayed to the CNS over the cochlear nerve, a division of cranial nerve (a) IV, (b) VI, (c) VIII, (d) X.

Pitch is to frequency of sound as loudness is toa. quality,b. intensity,c. overtones,d. all of these.

Sound waves are converted into mechanical movements by the (a) auditory ossicles, (b) cochlea, (c) oval window, (d) round window, (e) tympanic membrane.

The spiral organ is located in the_______of the internal ear. (a) utricle, (b) bony labyrinth, (c) vestibule, (d) cochlea.

dentify the structures of the external, middle, and internal ear in the following figure. a. ___b. ___c. ___d. ___e. ___f. ___g. ___h. ___i. ___

Displacement of stereocilia toward the kinocilium of a hair cell (a) produces a depolarization of the membrane, (b) produces a hyperpolarization of the membrane, (c) decreases the membrane permeability to sodium ions, (d) increases the membrane permeability to potassium ions, (e) does not affect the membrane potential of the cell.

Damage to the ampullary cupula of the lateral semicircular duct would interfere with the perception of (a) the direction of gravitational pull, (b) linear acceleration, (c) horizontal rotation of the head, (d) vertical rotation of the head, (e) angular rotation of the head.

The malleus, incus, and stapes are the tiny bones located in the (a) external ear, (b) middle ear, (c) internal ear, (d) membranous labyrinth.

What are the three auditory ossicles in the middle ear, and what are their functions?