Most neurons in the young brain have already been formed as early as
a. the time of conception.
b. the end of the second trimester of pregnancy.
c. the age of four years.
d. the age of six years.
B
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Concerning the development of morality,
a. both Kohlberg and Piaget overestimated children's levels of moral thinking. b. Kohlberg overestimated children's levels of moral thinking, and Piaget underestimated children's levels of moral thinking. c. Kohlberg underestimated children's levels of moral thinking, and Piaget overestimated children's levels of moral thinking. d. both Kohlberg and Piaget underestimated children's levels of moral thinking.
According to research cited in your textbook, what neurological factor may play a role in antisocial personality disorder?
A. enlarged ventricles in the brain B. abnormally low levels of serotonin C. abnormally high levels of dopamine D. smaller than normal prefrontal cortex
According to the text, which of the following security measures is used most often in both public and private schools?
A) Enforcing strict dress code B) Random canine checks for drugs C) Random metal detectors D) Controlled access to buildings during school hours
Which of the following is true of sex chromosomes?
A. The X chromosome contains about 2,000 active genes, whereas the Y chromosome contains fewer than 100. B. Females carry one copy of the X chromosome, while males carry two. C. Sex-linked characteristics are more likely to appear on the Y chromosome than the X chromosome. D. X and Y chromosomes have about the same number of active genes.