Roughly _____ of medical care expenses in the United States are incurred treating somatoform disorders.

Rachel is a rejected child. When she has a conflict with another child, she is likely to

a. give in to the other child easily, so they can continue their interaction. b. cooperate with the other child in trying to settle the dispute fairly. c. become angry and retaliate. d. become relaxed and carefree.

A prolonged or recurring problem which interferes with a person's ability to live a satisfying life and function in society is called:

a. insanity c. a mental disorder b. a neurosis d. a diagnosis