Rashad is in the hospital and is about to
undergo a brain-imaging process that involves placing him inside a magnetic field so that a computer can create three-dimensional images of his brain. What procedure is he about to undergo?
a) electroencephalography (EEG)
b) magnetic resonance imaging (MRI)
c) computed tomography (CT)
d) positron emission tomography (PET)
ANS: b
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What characterizes the stressful event and the reaction of someone experiencing posttraumatic stress disorder?
What will be an ideal response?
Nine-year-old Stephanie is helping her family get ready for a Thanksgiving by polishing the good silverware. If her mother gives Stephanie a quarter for every three pieces she polishes, what kind of reinforcement schedule is her mother using?
A. fixed-interval B. fixed-ratio C. variable-interval D. variable-ratio
Although electroconvulsive therapy is controversial, we still use it today. It is interesting that it is used
a. despite possible harmful side effects. b. and may cause serious fatal outcomes such as heart attacks. c. despite the fact that we have little knowledge of how it works. d. despite the fact that the success rate is about 25%
A person confronted with a stressful situation that cannot be changed is most likely to engage in _____ coping
a. emotion-focused b. active c. retroactive d. non-aggressive