Mark is a male model who has been admitted for weight loss and 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:
a. Food poisoning.
b. Anorexia nervosa.
c. Bulimia nervosa.
d. Bipolar disorder.