Unit 4 Late Adulthood: Aging and Cognitive Functioning

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Which theory of aging suggests that natural selection has not eliminated harmful conditions and nonadaptive characteristics in older adults?

Evolutionary Theory (correct)

Cellular Clock Theory

Mitochondrial Theory

Free-Radical Theory

Which theory of aging is associated with the idea that cells have a limited capacity to reproduce and repair themselves?

Cellular Clock Theory (correct)

Free-Radical Theory

Evolutionary Theory

Hormonal Stress Theory

Which theory of aging proposes that accumulated damage caused by free radicals contributes to the aging process?

Mitochondrial Theory

Cellular Clock Theory

Evolutionary Theory

Free-Radical Theory (correct)

In terms of aging, what does the Mitochondrial Theory focus on?

Mitochondrial DNA damage Signup and view all the answers

Which group is typically considered the 'Young-Old' in terms of age categorization?

(65-74 years old) Signup and view all the answers

What distinguishes the 'Old-Old' from the 'Oldest-Old' in terms of age categorization?

(75-84 years old) vs. (85+ years old) Signup and view all the answers

What is the difference between life span and life expectancy?

Life span is the maximum number of years an individual can live, while life expectancy is the number of years that the average person born in a particular year will probably live. Signup and view all the answers

Which factor contributes to the increase in life expectancy according to the text?

Improvements in medicine, nutrition, exercise, and lifestyle Signup and view all the answers

What is one way Sadie's exercise routine helps her combat osteoporosis?

It slows down calcium loss from her bones Signup and view all the answers

What has contributed to the increase in life expectancy in India from 2000 to 2019?

Improved healthcare and medical facilities Signup and view all the answers

What aspect primarily influences differences in life expectancies across countries?

Health conditions and quality of medical care Signup and view all the answers

What has contributed to Japan having the highest life expectancy at birth?

Excellent health conditions and advanced medical care Signup and view all the answers

What is the focus of the Biological theories of aging discussed in the text?

Physical Development in Old Age Signup and view all the answers

Which theory of aging suggests that cells can divide a maximum number of times before they stop dividing and enter a state of senescence?

Cellular Clock Theory Signup and view all the answers

Which theory of aging proposes that accumulated damage from oxygen radicals leads to cellular and tissue aging?

Free-Radical Theory Signup and view all the answers

What is the term used to describe individuals who fall within the Oldest Old category based on life span?

Oldest Old Signup and view all the answers

When do individuals typically stand 'alone at the heart of the earth'?

In Late Adulthood Signup and view all the answers

What does Oliver Wendell Holmes, Sr. suggest about being 'seventy years young' compared to 'forty years old'?

'Seventy years young' is more cheerful than 'forty years old' Signup and view all the answers