Feeding & Eating Disorders

Question 1

feeding & eating disorders

Answer 1

anorexia nervosa, bulimia nervosa, binge eating disorder, avoidant/restrictive food intake disorder, pica, rumination disorder

Question 2

prevalence

Answer 2

anorexia nervosa- 0.5%, bulimia nervosa- 1-2%, binge eating disorder: 2-4% (M=F)

Question 3

development theory

Answer 3

predisposing factors: female, genetics, societal emphasis on thinness; precipitating factors: stress of adolescence; perpetuating factors: dieting –> binge eating –> dieting

Question 4

anorexia nervosa

Answer 4

restriction of intake causing low weight, intense fear of gaining weight, disturbance of self-body image

behavior: obsession with food, peculiar eating
physiology: hypothermia, hypotension, lanugo (soft hair), amenorrhea, osteoporosis (non-specific sx of starvation)

Question 5

treatment for AN

Answer 5

behavioral intervention (CBT), NO DRUGS

Question 6

outcome for AN

Answer 6

1/3 -1/2 fully recover; 5% per decade of follow-up (starvation & suicide), the rest= alive but still not recovered

Question 7

bulimia nervosa

Answer 7

recurrent episodes of binge eating and inappropriate compensation to prevent weight gain (laxatives, vomiting), occurs 1+/wk for >3m
physiology: normal body weight, erosion of teeth, enlarged salivary glands, gastric rupture (rare)

Question 8

treatment for BN

Answer 8

cognitive behavioral therapy (CBT), SSRIs

Question 9

binge eating disorder

Answer 9

recurrent episodes of binge eating with distress; 1+/wk for >3 m, increased frequency of mood & anxiety disorders, M=F, onset middle-age; CBT, SSRIs