1) Michael Alberts is an eleven-year-old fifth grader experiencing difficulty in school. He often finds himself in trouble with his teacher, who complains that Michael does not appear to listen or pay attention in class; is unable to complete most of his work, and when he does attempt to complete it, it is messy and unorganized; is always squirming in his seat; and is a distraction to his classmates. Michael's parents have taken him to see the family physician, Dr. Lee, to discuss Michael's behaviors in school as well as those they witness at home: excessive squirming, running, and inability to wait his turn with his siblings. Based on Michael's symptoms, you would suspect ______ to be the physician's diagnosis.
A. bulimia
B. ADHD
C. Alzheimer's disease
D. anorexia nervosa