As a baby, Anu learned that whenever she fussed her mother would come running to comfort her. Thus, whenever Anu was distressed, she would fuss for her mother. This illustrates

Which of the following physical events occurs during REM sleep?

a. Breathing becomes rapid and irregular b. Muscular tension increases as dream activity becomes more intense c. Heart rate decreases d. Eyes begin darting around behind the eyelids once or twice each hour

Jenna is a 16-year old adolescent with autism and moderate mental retardation. Which of the

following behavioral difficulties is Jenna likely to exhibit given these diagnoses? a. Agitation or hyperactivity b. Oppositional behavior c. Self-injurious behaviors d. Depression e. All of the above