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30 Cards in this Set
- Front
- Back
activity theory
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the aging theory that suggests that individuals remain active and engaged throughout their later years.
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ageism
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discrimination against older persons.
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aging
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normal, ineveitable, progressive process taht produces irreversible changes over an extended period.
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antioxidants
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agents that prevent the formation of free radicals and may affect the aging process.
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atrophy
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wasting away
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autoimmune theory
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a theory of aging that suggests that aging is related to the body's weakening immune system, which fails to recognize its own tissures and may destroy itself.
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cerumen
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wax buildup found in the car.
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clockwork theory
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a theory of aging suggesting that connective-tissue cells have an inernal clock that determines length of life.
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continuity-developmental theory
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an aging theory that suggests that aging should be viewed as part of the life cycle, not as a separate terminal stage.
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delirium
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an acute response in brain functioning that manifests itself as an acute impairment in cognition and attention.
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demographics
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the study of a group of people including the size of the group, changes within the group, and information about where the group lives.
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disengagement theory
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a theory of aging that suggests that older persons and society gradually withdraw from one another to assist the transfer of power from the old to the young.
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dysphagia
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difficulty swallowing
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ego ingegrity
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a period of self-satisfaction that occurs during old age.
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free-radical theory
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a theory of againg that sates that highly unstable molecules contribute to the aging process.
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gerontology
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the sudy of the normal aging process.
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homeostasis
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a balance
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immune-system-failure theory
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a theory of aging that suggests that it results when the immune system is unable to perform its function.
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integumentary system
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skin and related structures.
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keratosis
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skin thickening
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kyphosis
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curvature of the thoracic spine.
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lacrimal ducts
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tear ducts
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life expectancy
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the average number of years a person is likely to live
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life span
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the maximum number of years that a species is capable of surviving.
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lipofuscin
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a pigmneted metabloic waste product that has been found in greater amounts in various organd of the ages body.
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lumen
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the opening of a diameter of a vein
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melanocytes
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pigmented skin cells.
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nephrons
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the functional, working units found in the kidneys.
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neurons
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also known as nerve cells
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old
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the period that begins at age 75 to 90.
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