Which of these is true of the nervous system?
a. Axons signal the intensity of a stimulus by varying the speed of action potentials.
b. The right hemisphere controls the right side of the body
c. New neurons can form in certain areas of the adult brain.
d. Ordinarily, you use only about 10 percent of your brain.
c
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According to the general adaptation syndrome (GAS), described by Selye, the appearance of a threat in the environment will trigger:
a. an alarm reaction b. a resistance reaction c. physiological exhaustion d. psychological stress
Many researchers believe that our first attachments to our parents
a. influence how we relate to our friends and lovers. b. occur during the first hours of life as part of a critical period. c. are influenced by an evolutionary pattern that cannot be altered. d. have little influence on our social behaviors as adults.
According to the “random events” theory of biological aging, __________
A) DNA in body cells is gradually damaged through mutations B) as time goes on, the human body wears out from repeated use C) “aging genes” control the deterioration of body cells D) environmental factors have little impact on human aging
According to the ethical guidelines for psychological researchers, deception can never be used during experimentation with human subjects
Indicate whether this statement is true or false