Ali is in the hospital about to undergo a brain-imaging process that involves taking many X-rays aided by the use of a computer to form a three-dimensional image. 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, CT scans take computer-controlled X-rays to reveal a picture of "slices" of the brain.
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Different people confronted with the same stressful situation
a. may respond quite differently. b. tend to respond in similar ways. c. systematically assess all possible coping mechanisms and then choose the one that uniquely suits them. d. experience similar health outcomes associated with stress regardless of how they choose to cope.
What is a behavioral symptom of depression?
a. slowing down all body movements and speech b. becoming more and more involved with other people's problems c. having trouble getting to sleep but feeling full of energy d. having thoughts of suicide
Which of the following is likely to be reported as a positive correlation?
a. salary and years of education c. studying and GPA b. age and incidence of illness d. all of these
The first reflexes appear during which of the following prenatal stages of development?
A) germinal B) embryonic C) fetal D) placental