The Gene Theory of aging proposes that:
a. the presence of a master gene prolongs youth.
b. genes interact with each other to resist aging.
c. specific genes target specific body systems to initiate system deterioration.
d. the activation of harmful genes initiates the aging process.
Question 2The 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 clock ticks off a predetermined number of cell divisions.
c. genetic traits can overcome environmental influences.
d. age-related physical changes are controlled only by genetic factors.
Question 3A theory differs from a fact in that a theory:
a. proves how different influences affect a particular phenomenon.
b. attempts to explain how a particular phenomenon evolves.
c. is a collection of facts about a particular phenomenon.
d. shows a relationship among facts about a particular phenomenon.
Question 4The theory that proposes that defects in ribonucleic acid (RNA) protein production causes a progressive decline in the function of all cells is the _______ theory.
Fill in the blank with correct word.
Question 5The nurse reminds a patient who was born in 1965 that eligibility for full social security benefits for persons of this age is now the age of _____.
Fill in the blank with correct word.
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