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.

Which of the following is not a possible cause of conduction deafness?a. impacted cerumen,b. middle ear infection,c. cochlear nerve degeneration,d. otosclerosis.

Olfactory nerve filaments are founda. in the optic bulbs,b. passing through the cribriform plate of the ethmoid bone,c. in the optic tracts,d. in the olfactory cortex.

Where are the olfactory sensory neurons, and why is that site poorly suited for their job?

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.

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