According to findings from the CDC, what percentage of total HIV infections come from the 15–24 age group?

Differences between nightmares and night terrors include

a. that nightmares occur during REM sleep; night terrors occur during NREM sleep. b. that nightmares are difficult to remember; night terrors are easy to remember. c. that nightmares involve hallucinations; night terrors are just bad dreams. d. all of these.

As children get older, maturation of the brain occurs. This includes

a. fewer neurons being myelinated b. shorter attention span c. greater ability to direct attention d. an increase in neurons in the brain