Which of the following theories sees aging as a process whereby cells are assumed to have a limitation on the number of times they can replicate?
a) wear-and-tear theory
b) cellular clock theory
c) activity theory
d) free radical theory
ANS: B
You might also like to view...
As a newly graduated registered nurse, Monica begins working the night shift. Her struggle to stay alert at work is probably due to an interruption of her usual:
A) hypnogogic state. B) REM sleep pattern. C) circadian rhythm. D) pattern of sleep spindles.
Responses are usually suppressed by
a. stimulus generalizations. b. intermittent reinforcement. c. negative reinforcement. d. punishment.
____________________ are shared values about the kinds of behaviors that are acceptable or unacceptable to the group.
Fill in the blank(s) with the appropriate word(s).
In developing nations there are two common deficiencies that are the primary cause of malnutrition in children. What are these?
Lack of protein and iron || Lack of calcium and iron || Lack of potassium and protein || Lack of folic acid and fat || || ||