When an infant's actions are intentional and goal-directed, he or she is in sensorimotor substage ____
a. 1: simple reflexes
b. 2: first habits and primary circular reactions
c. 3: secondary circular reactions
d. 4: coordination of secondary schemas
Answer: D
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Which of the following is not a change that signals the beginning of REM sleep?
A) a decrease in EEG amplitude B) an increase in the tension of the muscles of the body core C) an increase in the oxygen consumption of the brain D) an increase in the irregularity of the pulse E) an increase in EEG frequency
Karen is dangerously thin and has been admitted to the hospital because of her anorexic condition. The initial goal of treatment will be to ____
a. help her understand that she is in danger of killing herself b. safely restore weight c. begin family therapy sessions d. involve her in a group program with other anorexic girls