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Questions

Dysfunction of which neuromodulatory system is associated with eating disorders?

A. Glutamate

B. Gamma-aminobutyric acid

C. Dopamine

D. Histamine

C. Dopamine is one of several neurotransmitters implicated in the pathophysiology of eating disorders.

A. Glutamate has not been implicated in the pathophysiology of eating disorders.

B. Gamma-aminobutyric acid has not been implicated in the pathophysiology of eating disorders.

D. Histamine has not been implicated in the pathophysiology of eating disorders.

A 26-year old white woman presents to his primary care provider with complaints of fatigue, reduced ability to concentrate, and difficulty sleeping. When questioned about appetite and eating habits, the patient reports episodes of eating fatty foods until she is uncomfortably full. She then has feelings of shame and embarrassment, which have caused her to eat only when she is alone. This has been occurring for the past six months. The patient denies restricting food intake or inducing vomitus. What is the likely diagnosis?

A. Binge eating disorder

B. Anorexia nervosa

C. Bulimia nervosa

D. Avoidance/restricting food intake disorder

A. The patient is exhibiting features suggestive of binge eating disorder - binging episodes with subsequent emotional distress. She is denying compensatory measures such as caloric restriction or purging. The lack of compensatory measures is characteristic of binge eating disorder.

B. The patient does not meet the criteria for anorexia nervosa as she lacks the compensatory measures such as caloric restriction.

C. The patient does not meet the criteria for bulimia nervosa as she lacks the compensatory measures such as purging.

D. Avoidance/restricting food intake disorder is associated with lack of interest in food or avoidance of food, which the patient is not exhibiting. Please see Figure 24-1 and Table 24-2 for further details.

Which patient meets DSM-5 diagnostic criteria for bulimia nervosa?

A. A 13-year old female adolescent who recently began eating one meal a day to lose weight

B. A 16-year old female adolescent using laxatives twice weekly for the past month for weight loss

C. A 32-year old woman who is overweight which she attributes to her weekly binge episodes

D. A 28-year old woman of normal weight who induces vomiting twice weekly for the ...

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