Steven is a 6-year-old boy who is having trouble in school. He meets several of the diagnostic criteria for attention-deficit/hyperactivity disorder; however, you do not have enough information at this time to give a firm diagnosis. In such cases, what specifier can be used? A. Rule out.
B. Principal.
C. Provisional.
D. None of the above.

Matching: 1. first used by europeans as a local anesthetic; now abused for its euphoric effects 5 marijuana 2. found in coffee beans, tea leaves, and cocoa beans 2 heroin 3. prescribed for pain involving serious injury or surgery 1 morphine 4. illegal derivative of morphine that is sold on the street as a white powder 6 caffeine 5. can evoke feelings of terror and panic 4 lsd 6. causes user to experience a conscious dreamlike state 3 cocaine