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

A progressive disorder characterized by the loss of higher-order cerebral functions is (a) Parkinson's disease, (b) parasomnia, (c) Huntington's disease, (d) Alzheimer's disease.

A reduction in sensitivity in the presence of a constant stimulus is (a) transduction, (b) sensory coding, (c) line labeling, (d) adaptation.

Which of the following statements does not correctly describe the spiral organ?a. Sounds of high frequency stimulate hair cells at the basal end,b. the 'hairs' of the receptor cells are embedded in the tectorial membrane,c. the basilar membrane acts as a resonator,d. the more numerous outer hair cells are largely responsible for our perception of sound.

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

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. ___

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.

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.