theories of aging and its nursing implication Flashcards
Humans are born with biologic clock that pre-determines life span
genetic error theory
Radiation and chemical reactions. Attach to DNA strandand disrupt cellular mitosis and division
cross linking theory
Highly reactive molecules and cellular by-products that damages protein, enzymes, and DNA
free radical theory
nursing intervention for cellular repair
vitamin c and e
protection against free radical
beta-carotene
Repeated, continued and prolong use of body, Injury, Trauma, Insult, and Stress
wear and tear theory
Aging as a result of changes in the brain and endocrine glands
neuroendocrine theory
hormone that promotes aging process
anterior pituitary hormone
hormone that is absent when one has parkinson’s disease
dopamine
relationship between aging and disease processes
BIOGERONTOLOGY THEORY
single most factor for health status and longevity determinant
nutrition theory
Reduction in caloric intake has multiple positive effects
caloric restriction theory
theory caused by: changes in cellular DNA and leads to problems in cell replication
cell malfunction theory
theory caused by toxin build up that leads to cellular death
toxin theory
focuses on how certain people successfully age well, Expected progression from midlife to older life based on social factors
social theory
Older person remains active in society and community
after retirement
activity theory
Individuals withdraw and isolate themselves from prior social interactions/ relationship due to aging
disengagement theory
Focuses on inner self, life satisfaction, values contemplation, positive characters
GEROTRANSCENDENCE THEORY