11.1 Eating Disorders

Question 1

Hypothalamus

Answer 1

• Appetite regulation center
• Hypothalamic dysfunctions could be a main cause of anorexia nervosa

Bulimia
- Associated with serotonin and Norepinephrine and high levels of endogenous opioids.

Question 2

Anorexia Nervosa

Answer 2

• Morbid fear of obesity
• Extreme weight loss by reduction of food intake and extensive exercise.
• Self-induced vomiting and abuse of laxatives/diuretics also may occur

Symptoms
- Refusal to eat
- Obsession with food (may hoard or conceal food, talk about food recipes a lot, prepare elaborate meals for others)
- Hypothermia, bradycardia, hypotension, lanugo, amenorrhea, anxiety, depression, gross distortion of body image.

Question 3

Bulimia Nervosa

Answer 3

• Excessive insatiable appetite
• Uncontrollable, compulsive rapid ingestion of large quantities of food over a short period of time (binging) followed by ridding body of excess calories (vomiting, laxatives, diuretics, enemas)

Characteristics
- Fasting or excessive exercise
- Persistent concern with personal appearance and how others perceive them
- USUALLY NORMAL WEIGHT
- Excessive vomiting, laxative and diuretic use which can lead to dehydration and electrolyte imbalances

Question 4

Binge Eating Disorder

Answer 4

• Binge eating similar to bulimia without the purging
• Client usually is at high risk of weight gain.

Question 5

BMI

Answer 5

• Low (17 or less)
• Normal (18.5-24.9)
• Obese (30+)