A gerontological nurse presents at a local conference regarding recent findings in age-related hearing loss. Which age-related changes indicated in hearing loss and speech perception should the nurse include?
A) Changes to the external auditory canal and pinna
B) Degenerative changes to the auditory brainstem
C) Growth of longer and thicker hair in the ear canal
D) Thickening of the tympanic membrane
Ans: B
Studies suggest that central auditory structures (e.g., primary auditory cortex and auditory brainstem) account for a significant component of hearing loss in older adults, particularly with regard to speech perception. The external ear changes that occur with normal aging are not directly related to hearing loss (including hair growth in men). The tympanic membrane thins and stiffens with age.
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