____ is a blanket of fat wrapped around the main part of the neuron that keeps the brain's electrical signals on one path and increases their speed

Which of these people is most likely to receive the diagnosis of body dysmorphic disorder?

a. Teresa, who is 25 pounds overweight b. Mike, whose blindness has no physical cause c. Amy, who experiences gastrointestinal problems when she is stressed d. Kevin, who imagines he has a serious defect in his physical appearance

As Molly looks at the grade scored in her final exams, she thinks, "I did well on this exam, because my roommate helped me study." Molly's thoughts suggest that she has ________

a. conscientiousness. b. a tendency to exert primary control. c. an internal locus of control. d. an external locus of control.