Hearing, Vision,
Digestion, Urinary &
Thermoregulation | Study
Guide & Exam Review
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, What are the age-related changes in Intensity/amplitude relates to loudness (measured in
sound coding? decibels, dB); frequency relates to pitch (high or
low).
What part of the ear is prone to The auditory canal, which is lined with hair follicles
cerumen accumulation with age? and cerumen glands.
What happens to the tympanic It continues to transmit sound but may have
membrane with age? weakened muscles and ligaments.
What is presbycusis? Age-related sensorineural hearing loss, particularly
affecting high-pitched sounds.
What are key risk factors for hearing Male gender, older age, genetic predisposition,
loss in older adults? noise exposure, impacted cerumen, smoking,
ototoxic medications, and certain medical
conditions.
What is noise-induced hearing loss Hearing loss caused by exposure to loud noise,
(NIHL)? which is largely preventable.
What are the functional Reduced sound intensity and difficulty hearing
consequences of conductive hearing vowels/low tones.
loss?
What is tinnitus? A persistent ringing, roaring, or buzzing sensation in
the ears, often associated with hearing loss.