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OTD 423 Exam 1 Questions with Verified Answers
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What percentage of older Americans are over 65? - Answer-54.1% What percentage of older adults in the US have obtained a bachelor's degree of higher? - Answer-33% Who is more likely to be married, older men or older women? - Answer-men What is the major source of income for older adults? -...

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  • October 17, 2024
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  • 2024/2025
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  • what percentage of older americans are over 65

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OTD 423 Exam 1 Questions with Verified
Answers
What percentage of older Americans are over 65? - Answer-54.1%

What percentage of older adults in the US have obtained a bachelor's degree of higher?
- Answer-33%

Who is more likely to be married, older men or older women? - Answer-men

What is the major source of income for older adults? - Answer-social security

What is the primary source of health insurance for older adults? - Answer-Medicare

Who are the poorest older adults? - Answer-Hispanic women living alone

What percentage of older adults over 65 are still working? - Answer-18%

What number of older adults currently live in institutional settings? - Answer-1.2 million

What percentage of older adults living in the community experience independent living
difficulties? - Answer-19%

Free Radical Theory - Answer-free radical describes any molecule that has a free
electron and this property makes it react with healthy molecules in a destructive way
it is known that diet, lifestyle, drugs and radiation are all accelerators of free radical
production in the body

Aging Theories - Answer-complex and multi-dimensional framework that helps us better
understand aging.

Membrane Theory - Answer-age related changes of the cells ability to transfer
chemicals, heath, and electrical processes that impair it
as we grow older the cell membrane becomes less lipid/more solid which impedes its
efficiency to conduct normal function and there is toxic accumulation

Mitochondrial Decline Theory - Answer-enhancement and protection through nutrients
and ATP supplements of the mitochondria is an essential part of preventing and slowing
aging

Cross-Linking Theory - Answer-accumulation of cross-linked proteins damages cells
and tissues slowing down the body processes leading to aging

, Programmed Longevity - Answer-considers aging to be a result of sequential switching
on and off of certain genes with absence being defined as the time when age-
associated deficits are manifested

Endocrine Theory - Answer-believes that biological clock acts through hormones to
control the pace of aging

Immunological Theory - Answer-states that the immune system is programmed to
decline over time leading to vulnerability to infection, aging, and death

Wear and Tear Theory - Answer-believe vital parts in our cells and tissues wear out,
resulting in aging

Rate of Living Theory - Answer-supports the theory that the greater an organisms rate
of oxygen basal metabolism, the shorter its lifespan

Neuroendocrine Theory - Answer-elaborates wear and tear by focusing on
neuroendocrine system
this system is a complicated network of biochemicals that govern the release of
hormones which are altered by the hypothalamus
as we grow older the hypothalamus loses its precision regulatory ability and the
receptors which uptake hormones become less sensitive

Activity Theory - Answer-emphasizes the importance of ongoing social activity,
suggests that a person's self-concept is related to the roles held by that person

Disengagement Theory - Answer-first formal theory that attempted to explain the
process of growing older
refers to inevitable process in which many of the relationships between a person and
other members of society are severed and those remaining are altered in quality

Continuity Theory (psychosocial theory) - Answer-person adapts to life changes by
using internal or external strategies

internal continuity - Answer-person links new experiences with memories of older ones

external continuity - Answer-interacting with familiar people in familiar environments

Productive Aging - Answer-having the physical, emotional, social and spiritual resources
combined with ability to adapt to life changes in order to engage in meaningful and
important self-selected occupations as life goes on

life span - Answer-looks at the biological and environmental factors that impact it

life course - Answer-looks at persons narrative and historical events

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