Ch 22 Eating Disorders Flashcards
what neurotransmitters are common in eating disorders
serotonin and norepinephrine dysfunction
what is the appetite regulation center
hypothalamus
eating behavior is influenced by what
society and culture
what is the epidemiology of anorexia nervosa
women 12-30 yrs
in US about 1% of women
what is the epidemiology of bulimia nervosa
more prevalent than anorexia
about 4% of women
onset is adolescence
prevalent in thin societies
what is obesity defined as
BMI > 30
what percent of adult Americans are overweight
68.5%
what percent of Americans are in the obese rage
35%
this is the morbid fear of obesity
anorexia nervosa
what is amenorrhea
abnormal absence of menstruation, prevalent in anorexia pts
describe symptoms of anorexia nervosa
gross distortion of body image, preoccupation with food, refusal to eat, weight loss is extreme, hypothermia, bradycardia, hypotension, edema, lanugo, metabolic issues
what feelings are common in anorexia
depression and anxiety
what is the body weight percent decrease in an individual with anorexia
> 15% of expected weight
this is episodic, uncontrolled ingestion of large quantities of food followed by inappropriate compensatory behaviors to rid body of excess calories
bulimia nervosa
what are examples of behaviors to rid body of excess calories
self induced vomiting, misuse of laxatives, diuretics, or enemas