Mark is a male model who has been admitted for dehydration. Mark tells you, "I can eat anything I want and I don't gain weight. Isn't that great?" After dinner you hear a noise and you observe Mark vomiting in the bathroom. You document this and suspect:

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Quizplus · Accepted Answer

Bulimia nervosa is characterized by episodes of binge eating followed by purging behaviors, such as vomiting, to prevent weight gain. Mark's comment about being able to eat anything without gaining weight, followed by the observed behavior of vomiting after eating, suggests bulimia nervosa.

Mark Is a Male Model Who Has Been Admitted for Dehydration