The experience of positive affect may be a primary feature of what personality type?

In January 2002, a 15-year-old boy stole a small private plane and crashed it into a building. How typical is this type of extreme behavior in adolescents? Are most teenagers angry and unhappy?

What are the three kinds of problems that are more common during adolescence than they were in childhood, or will be in adulthood? What will be an ideal response?

What is one effect of epinephrine and norepinephrine on coronary functioning?

a) accelerate arterial damage b) protects against myocardial infarction c) increases oxygen supply to blood cells d) re-establishes normal rhythms after a heart attack