Among the sedative-hypnotic drugs, short-acting barbiturates seem to be the most likely to lead to drug dependence

Which of the following is true of parent-child relationships in middle childhood?

A. Children spend more time with their mothers than with their fathers. B. Children and parents spend more time together in middle childhood than in the preschool years. C. Parents provide more direct feedback than they did in the preschool years. D. Parents monitor their children's activities most closely during middle childhood.

Which of the following statements is true of brain development in infancy and childhood?

A. The cerebrum grows the fastest during the fourth year of life. B. The corpus callosum grows dramatically during childhood, reaching adult size by age 10. C. At about 3 months after conception, the brain starts to develop from a long, hollow tube. D. At birth, the spinal cord and brain stem begin to develop.