Response 11th Edition by Touhy - Ch. 1-35, 9780323809887,
with Rationales
What is a continual process of biologic, cognitive, and psychological change that begins at
conception? - ANSWER: aging
What influences a person's definition of old? - ANSWER: the person's perception of aging
What is the biologic clock theory? - ANSWER: A theory that cells are programmed to live a certain
amount of time, then break down and die.
What is the free radical theory? - ANSWER: A theory that cells are damaged by toxins in the
environment, including the waste products from metabolism.
What is the wear and tear theory? - ANSWER: A theory that all organs eventually wear out like
machinery.
What is the immune system failure theory? - ANSWER: A theory that the system loses it's ability to
protect the body from disease.
What is the autoimmune theory? - ANSWER: A theory that the body no longer recognizes itself and
begins to attack itself.
What are the biologic theories of aging? - ANSWER: biologic clock theory
free-radical theory
wear and tear theory
immune system failure theory
autoimmune theory
What are the psychosocial theories of aging? - ANSWER: disengagement theory
activity theory
continuity theory
What is the disengagement theory? - ANSWER: A theory that it is normal for older people to withdraw
from each other.
What is the activity theory? - ANSWER: A theory that people who are active and interested continue
to enjoy life and live longer.
What is the continuity theory? - ANSWER: A theory that says older people cope with aging the same
way they cope with other stages of life.
What is the current average life span? - ANSWER: 115 to 130
What was the average life span in the 1900s? - ANSWER: 47
What was the average life span in 2004? - ANSWER: 77.9
What was the average life span in 2015? - ANSWER: 78.9
What is the difference in life span of men and women? - ANSWER: women live 6-7 years longer