Kari wants to win and gets upset when she loses in sports. She also tries not to wear the same types of clothes that other people wear. Despite her attempts to be unique, she often feels lonely. Kari is most likely from a(n) ____ culture.?

Almost all marijuana smokers eventually enter a stage of __________

a. heightened vigilance b. paranoia c. increased psychomotor activity d. relaxation

An advantage of magnetic resonance imaging (MRI) over positron emission tomography (PET) is:

a. it can detect how specific tasks activate brain regions b. it can measure electrical activation c. it does not require the patient ingest any chemicals d. it is based on x-ray techniques