Bertha has been drinking to excess for many years. She is malnourished. This is because
a. alcohol has few calories.
b. alcohol impairs the body's ability to utilize nutrients.
c. alcoholism impairs her ability to choose healthy foods.
d. alcoholism causes people to lose their appetites.
b. alcohol impairs the body's ability to utilize nutrients.
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What will be an ideal response?
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
Why is there interest in the role psychosocial factors play in mood disorders?
a. Most federal research money is targeted for the study of psychosocial causes of mental disorders. b. Studies have thoroughly concluded that biology only plays a very minor role. c. Psychosocial factors interact with biological factors to create a predisposition for developing mood disorders. d. A great majority of bipolar patients do not respond at all to drug treatment.
Thorndike's research famously led him to conclude that responses followed by satisfaction will occur again, and those that are not followed by satisfaction become less likely. This principle is known as ______________
A) the law of effect B) Thorndike's law C) the puzzle-box principle D) the principle of satisfaction