chapter 12.docx

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University of Guelph
Family Relations and Human Development
FRHD 1010
Susan Chuang

FRHD* 1010 4/3/2013 6:17:00 PM Chapter 12 Definitions  Ageism: prejudice and discrimination based on age  Activates of Daily Living (ADLs): daily requirements of life for adults, such as bathing, dressing, food preparation and eating, housekeeping, and paying bills  Gerontologist: researcher on aging  Functional Age: age that indicates the actual competence and performance of older adults; may be higher or lower than chronological age  Old-Age Dependency Ratio (OADR): in a population, the ratio of persons age 65 and over to persons age 20-64  Primary aging: inevitable biological aging that takes place in all living organisms  Secondary Aging: decline in physical functioning that takes place due to lifestyle behaviours such as unhealthy diet, insufficient exercise, and substance use, as well as environmental influences such as pollution  Cataracts: progressive thickening of the lens of the eye that causes vision to become cloudy, opaque, and distorted  Macular Degeneration: loss of clarity in the center of the visual field, due to aging of the visual system  Glaucoma: loss of peripheral vision due to buildup of fluid that damages the optic nerve  Tinnitus: problem in the auditory system that entails hearing a ringing or buzzing sound with no external source  Sleep Apnea: sleep-related respiratory disorder in which breathing stops 10 seconds or more numerous times in the course of a typical night, as the sir passage to the lungs closes, resulting in a sudden loud snore as the airway opens again and the sleeper awakens  Arthritis: disease of the
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