Each year more than ___________ children in the United States are the victims of child abuse, the physical or psychological maltreatment or neglect of children

Which statement is true of sleep cycles in normal sleep?

a) They last about 90 minutes, have 1 or more stages of NREM sleep followed by REM sleep. b) They last about 90 minutes and each consists of 1 or more stages of REM sleep. c) They last about 60 minutes, have 1 stage of NREM sleep followed by REM sleep. d) They last about 90 minutes and each consist of REM sleep followed by 4 stages of NREM sleep.

The clinical presentation of major or mild vascular neurocognitive disorder

differs from Alzheimer's disease in that it has A) a more gradual onset, more focal cognitive deficits, and a more stepwise progression of cognitive difficulties. B) a sudden onset, more diffuse cognitive deficits, and a more gradual decline in cognitive abilities. C) a more gradual onset, more diffuse cognitive deficits, and a more gradual decline in cognitive abilities. D) a sudden onset, more focal cognitive deficits, and a more stepwise progression of cognitive difficulties.