Obsessions are distinguished from worry in that obsessions most often are about _____.

In the United States, public policies safeguarding __________ lag behind policies for __________

A) the elderly; children and youths B) children and youths; the elderly C) the elderly; extended families D) school-age children; preschool children

In general, the word "valid" means _____

a. reliable c. not confined to bed b. legitimate d. false