The placenta
a. is the thickened wall of the uterus during pregnancy.
b. is another name for the growing embryo.
c. is an organ that helps to provide the embryo with oxygen and nutrients.
d. is the cord that attaches the embryo to its mother.
C
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Insko and his colleagues call the level of conflict displayed during intergroup conflict the “discontinuity effect” because
a. such conflicts disrupt relationships so substantially. b. the abrupt increases and decreases in conflict are not continuous. c. groups are markedly more competitive than individuals. d. such conflicts spiral upward so rapidly.
According to Herman von Helmholtz, creative dreaming results from
a. completely distracting yourself from the topic. b. saturating yourself in a problem or issue that interests you. c. utilizing various chemical substances. d. discussing your topic with other experts. e. listening to soothing music.
Which of the following is a subcortical structure?
A. spinal cord B. lateral fissure C. parietal cortex D. limbic system
Elena, a college junior, has gradually been increasing her hours at her job. According to research, Elena may
A. have fewer financial concerns than her friends. B. develop a sleep disorder due to anxiety. C. see a decrease in her grades. D. All of these choices are correct.