Greg has always wanted to try out for the school play, but has never dared to do it. Now at age 14, he has decided to try. He is actually looking forward to the thrill of being on stage in front of a live audience. In terms of the dual systems model, Greg is engaged in
a. artistic expression.
b. negative risk-taking.
c. positive risk taking
d. strong executive control by the prefrontal cortex.
Answer: c. positive risk-taking.
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Which of the following is true about theories?
A. Theories do not need to be revised when new data are available. B. Theories generate hypotheses that guide further research. C. Theories are based on one set of observations and may not account for other observations. D. Theories are primarily based on the intuitions of an individual scientist.
Stanley is experiencing ongoing degeneration in his cerebellum. Consequently, which of the following behaviors may become progressively more difficult for him?
a. breathing b. maintaining a normal core body temperature c. sleeping d. language skills
Every morning when they get to work, the crew of the local donut store waits to be told what to do by their manager. Some of them clean, some of them cook, and some of them do paperwork
It is the manager who instructs each individual employee on their tasks for the day. If you were to relate the manager to the human genetic system, the manager is serving as a(n): a) human genome. b) chromosome. c) DNA molecule. d) epigenome.
All of the following have been used to prevent, detect, and treat HIV in infants EXCEPT
A. women with HIV not breastfeeding their babies. B. use of drugs to treat AIDS-related pneumonia. C. having a vaginal birth. D. the drug AZT.