Chapter 10 - Eating Disorders Flashcards
What are the most common forms of eating disorders?
Anorexia nervosa, bulimia nervosa, and binge eating disorder
What is at the heart of both anorexia and bulimia?
An intense fear of becoming overweight and fat & a pursuit of thinness that is relentless and sometimes deadly
Which groups have more of the attitudes that lead to eating disorders?
More common in whites and Asian Americans than African Americans
Which disorders can be co-morbid with eating disorders?
Anxiety disorders, mood disorders, impulse control disorder, substance use disorder, and others
What are the two types of anorexia nervosa?
The restricting type and the binge/purge type
What is the restricting type of anorexia?
Restricting food intake
What is the binge/purge type of anorexia?
Consuming large quantity of food and purging it
What is the DSM-5 criteria for anorexia nervosa?
- refusal to maintain body weight at or above minimally normal weight for age and height
- intense fear of gaining weight or becoming fat despite being underweight or persistent behaviors that interfere with weight gain
- distortions in the perception of one’s body weight or shape, undue influence of body weight or shape on self-evaluation, or denial of seriousness of current low body weight
What is the lifetime prevalence of anorexia? Is it more common in women or men?
0.6%, being more common in women
What percent of individuals with anorexia die from complications?
As many as 6%, with 1 in 5 being by suicide (not necessary to memorize this)
How many people with anorexia have co-morbid disorders?
33-50% have a mood disorder
about 50% have an anxiety disorder
What is the process of anorexia?
A normal to overweight female is on a diet -> escalation toward anorexia may follow a stressful event -> most patients recover, but many do not
What is the clinical picture of anorexia?
- Key goal is becoming thin
- Driving motivation is fear
- Preoccupation with food
- Distorted thinking
- Psychological problems
What is amenorrhea?
The absence of menstrual cycle
What is lanugo?
Fine, silky hair, usually on newborns, which grows on the body
What are the medical complications involved with anorexia?
- cardiovascular, metabolic, fluid and electrolyte, hematological, dental, endocrine, gastrointestinal
- lowered body temp, low blood pressure, body swelling, reduced mineral density, slow heart rate
- scalp hair loss, dry skin, brittle nails, cold and blue feet and hands
- amenorrhea and lanugo
What is bulimia nervosa?
It is characterized by frequent episodes of binge eating, lack of control over one’s eating, recurrent inappropriate behavior to prevent weight gain
Unlike anorexia patients, bulimic patients are typically of ____ weight
Normal weight
What is the DSM-5 criteria for bulimia nervosa?
- recurrent episodes of binge eating (eating in a discrete period of time within any 2 hour period, an amount of food that is larger than most people would eat during a similar period of time under similar circumstances, a sense of lack of control over eating during an episode)
- recurrent inappropriate compensatory behavior to prevent weight gain (self-induced vomiting, laxatives, diuretics, other meds, fasting, excessive exercise)
- the binge eating and compensatory behavior both occur on average at least once a week for 3 months, self evaluation is unduly influenced by body shape and weight
What is the lifetime prevalence of bulimia?
1%, higher in women
What are the likelihoods of people with bulimia having comorbid disorders?
Almost 50% have a mood disorder, more than 50% have an anxiety disorder, and almost 10% have substance use disorder
What are the 2 types of bulimia?
Purging type and non-purging type (using other forms to compensate for binge eating)
What is body dissatisfaction?
when people evaluate their weight and shape negatively
What is the progression of bulimia?
- normal to slightly overweight female has been on an intense diet
- begins in adolescence or young adulthood
- lasts for years with periodic letups
- weight fluctuates but often stays within a normal range