Presbycusis and Other Changes in Hearing Seem to Result from

Multiple Choice

Presbycusis and other changes in hearing seem to result from

A) degeneration in the nerve pathways to the brain.
B) gradual degeneration of all parts of the auditory system.
C) the bones of the middle ear becoming calcified and losing elasticity.
D) the cochlear membranes of the inner ear becoming less flexible and less responsive.