Ali is in the hospital about to undergo a brain-imaging process that involves taking many X-rays from different angles aided by the use of a computer. What type of imaging technique is being used?
a) electroencephalography (EEG)
b) magnetic resonance imaging (MRI)
c) positron-emission tomography (PET)
d) computed tomography (CT)
ANS: d
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The chemicals that carry signals across the synapses in the brain are called __________.
A. hormones B. circadians C. neurotransmitters D. myelin
Recently, a new psychological intervention has been publicized in the media and hailed as a surefire way to eliminate bullying in schools. The local school board has asked you to assess and evaluate the effectiveness of the intervention
Explain how you would do this.
Alcohol differs significantly from barbiturates in terms of
a. the potential level of physical dependence b. the ability to depress CNS functions c. its sedative effects d. none of these
Roberto, a toddler, is left with a stranger in a room when his mother leaves for a few minutes. He is very upset and difficult to calm in his mother's absence. When his mother returns, he approaches her but later resists by fighting against being held. According to Ainsworth and her colleagues, Roberto most likely belongs to the ________ attached group.
A. independently B. avoidantly C. securely D. ambivalently