Terms in this set (20)
- Senescence. …
- The three major theories of aging are. …
- This group of biological aging theories asserts. …
- This group of biological aging theories emphasizes environmental assaults to the human system that gradually cause things to go wrong. …
- Programmed Longevity. …
- Endocrine Theory. …
- Immunological Theory.
In respect to this, what are the major theories of aging quizlet?
Terms in this set (24)
- Hayflick’s Theory of aging. – Age related changes are: deleterious, progressive, intrinsic, universal.
- Genetic Theories of Aging. …
- Wear and Tear Theories. …
- Immunity Theory of aging. …
- Cross-Link Theory of Aging. …
- Free Radical Theory. …
- Neuroendocrine theory. …
- Apoptosis Theory.
Simply so, what are the 3 theories of aging?
Three major psychosocial theories of aging—activity theory, disengagement theory, and continuity theory—are summarized and evaluated.
What are some theories of why aging occurs?
There are several error theories of aging: Wear and tear theory asserts that cells and tissues simply wear out. Rate of living theory is the idea that the faster an organism uses oxygen, the shorter it lives. Cross-linking theory states that cross-linked proteins accumulate and slow down the body’s processes.
Which theories of aging suggest that aging follows a biological timetable?
Modern biological theories of aging in humans fall into two main categories: programmed and damage or error theories. The programmed theories imply that aging follows a biological timetable, perhaps a continuation of the one that regulates childhood growth and development.
What does the activity theory State quizlet?
What does the activity theory state? The less active and involved older adults are, the more likely they are to be satisfied with their lives. The more active and involved older adults are, the more likely they are to be satisfied with their lives.
What is the wear and tear theory of aging?
The wear and tear theory of aging, one of several theories, asserts that the effects of aging are caused by progressive damage to cells and body systems over time. 1?? Essentially, our bodies “wear out” due to use. Once they wear out, they can no longer function correctly.
Which of the following is a programmed theory of aging?
The programmed theories imply that aging follows a biological timetable (regulated by changes in gene expression that affect the systems responsible for maintenance, repair and defense responses), and the damage or error theories emphasize environmental assaults to living organisms that induce cumulative damage at …
What do researchers think occurs with genes during aging quizlet?
Mutation accumulation theory – suggests aging occurs due to a declining force of naturalselection with age. … This theory holds that genetic mutations are responsible for aging by causing organ decline as a result of self-perpertuating cellular mutations.
What theory suggests relates to free radical and cross linking?
The free radical theory of aging asserts that many of the changes that occur as our bodies age are caused by free radicals. Damage to DNA, protein cross–linking and other changes have been attributed to free radicals. Over time, this damage accumulates and causes us to experience aging.
Why do the energy requirements of older adults decrease?
For healthy people, energy requirements decrease with advancing age. This is due to changes in body composition; a decrease in lean body tissue (muscle) and an increase in fat tissue.
What are the 4 theories of aging?
Some of the more commonly discussed theories and their relation to ageing are summarised below:
- Disengagement Theory.
- Activity Theory.
- The Neuroendocrine Theory.
- The Free Radical Theory.
- The Membrane Theory of Aging.
- The Decline Theory.
- The Cross-Linking Theory.
What are the four types of aging?
That is, where in the body is the aging process most active? They found people tend to fall into one of four biological aging pathways, or ageotypes: immune, kidney, liver or metabolic. Snyder said that metabolic agers, for example, may be at a higher risk for type 2 diabetes as they grow older.
What is the most common theory of aging?
Although many scientists agree that cross-linking of proteins, and perhaps the cross-linking of DNA molecules as well, is a component of aging, it is likely only one of sev- eral mechanisms that contributes to aging. The most widely accepted overall theory of aging is the evolutionary senescence theory of aging.