BASIC GERIATRIC NURSING 7TH EDITION WILLIAMS TEST BANK (ALL CHAPTERS)

How does a theory differ from a fact? a. A theory proves how different influences affect a particular phenomenon. b. A theory attempts to explain and give some logical order to observations. c. A theory is a collection of facts about a particular phenomenon. d. A theory shows a relationship among facts about a particular phenomenon. ANS: B 2. The biological theory of aging uses a genetic perspective and suggests that aging is a programmed process in which _____________. a. each person will age exactly like those in the previous generation b. a biological timeline predetermines number of cell divisions c. genetic traits can overcome environmental influences d. age-related physical changes are controlled only by genetic factors ANS: B 3. The Gene Theory of aging suggests which of the following ? a. The presence of a “master gene” prolongs youth. b. Genes interact with each other to resist aging. c.d. Specific genes target specific body systems to initiate system deterioration. The activation of harmful genes initiates the aging process. ANS: D 4. The theory that identifies an unstable molecule as the causative factor in aging is the _____ theory. a. free radical b. molecular c. neuroendocrine d. crosslink ANS: A