As part of a research project, an assistant is told to go to the lab and "Present the CS alone." What basic process will the assistant observe by using this procedure?

Mental status is assessed through evaluation of

a) mood, appetite, and orientation. b) perception, displacement, and insight. c) judgment, abstraction, and thought content. d) thought processes, distraction, and sublimation

The use of ______ can be traced back to 4000 B.C. in ancient Sumeria, where it was referred to as the "joy plant."

a. cocaine c. marijuana b. opium d. nicotine