Chapters 2, 3 & 5 | Study
Guide, Practice Questions
& Exam Review
|Guaranteed success|
, Biological theories of aging Stochastic and no stochastic
Sociological theories of aging disengagement, activity, continuity, subculture, and age stratification
psychological theories of aging developmental tasks
gerotranscendence
Nursing theories of aging functional consequences, striving, successful aging
Cross linking theory threat to cellular division, attaches to DNA strand, prevents normal parting
during mitosis
Free radicals theory Accumulated damage caused by oxygen radicals, causes cells and organs to
lose function
Lipofuscin theory Similar to free radicals, oxidation of unsaturated lipids, interferes with diffusion
Wear and tear theories Repetitive use, injury, stress results in breakdown of body
Evolutionary theories Related to genetics, aging occurs due to mutation and natural selection
Biogerontology Study of the connection between aging and the disease process
Stochastic Cross linking, free radicals, lipofuscin, wear tear, evolutionary, biogerontology
Nonstochastic Apoptosis, genetic, autoimmune, neuroendocrine, environmental, nutrition
Apoptosis programmed cell death
Genetic theories Born with genetic program that predetermines life span
Error theory Genetic mutations can cause organ decline as a result of cell mutations
Autoimmune reactions Changes in immune function with aging