According to the gate-control theory of pain, the release of endorphins by the brain may be responsible for:
a. the feeling of phantom pain that is sometimes experienced in amputated limbs
b. the effectiveness of placebos in reducing the perception of pain
c. an increase in the activity of small fibers, opening pain gates in the spinal cord
d. a decrease in the activity of large fibers, closing pain gates in the spinal cord
B
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The procedure whereby the person learns to make a new response to a fear-producing stimulus is called:
a. counterconditioning b. stimulus conditioning c. fear conditioning d. operant conditioning
Which one of the following is TRUE about computerized tests?
a. Employers are delaying conversion of paper-and-pencil tests to computerized tests. b. Successful strategies do not yet exist for taking computerized tests. c. The scores are 100% equivalent to scores on paper-and-pencil tests. d. Many must be administered in a proctored environment with an administrator present.
Premenstrual dysphoric disorder (PMDD)
A. results from higher than normal levels of LH. B. occurs in the majority of women. C. might involve abnormalities in serotonin function. D. is more likely to occur in older than younger women.
Suppose you wrote a paper detailing the decline of family farming and the increase of factory work among adolescent laborers in the United States. What conclusion would most likely be a part of your paper?
a. Farm service increased to over 70% in the 18th and 19th centuries. b. The transition to industrialized labor is known as life cycle service. c. In the 19th century, the proportion of the farming labor force declined to under 40%. d. A large proportion of adolescent workers were unemployed in the 19th century.