The placenta
a. directly connects the blood stream of the embryo to the blood stream of the mother.
b. contains amniotic fluid
c. helps the fetus to maintain a constant temperature.
d. allows for an exchange of nutrients and waste.
d
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In a family with somatic symptom disorder, the male relatives are at increased risk for antisocial personality disorder. What are the underlying characteristics that tie these disorders together?
a. mania and psychasthenia b. extraversion and agreeableness c. sensation seeking and irresponsibility d. absence of inhibition and high negative emotion
A researcher was interested in whether watching violence affected children's behaviors. To examine this, he showed a violent film to one group of preschoolers and a nonviolent film to a second group of preschoolers,
and then he observed their aggression levels. In this study, the independent variable was the: viewing of the violent film. level of aggression displayed before the film. level of aggression displayed following the film. children's home environment.
A woman has been diagnosed as having a dissociative disorder. She is most likely to
a. have a grandiose sense of self-importance. b. have a disturbance in her identity, memory, or consciousness. c. experience severe depression or depression coupled with mania. d. feel anxious or worried most of the time.
Also referred to as a person's social class, his or her ____ includes the level of education, their income, and occupational status
a. socioeconomic status b. ethnicity c. culture d. sociohistorical index