Bulimia Nervosa is an eating disorder characterized by binge eating followed by compensatory measures to avoid weight gain (e.g., vomiting, laxative use, extreme exercise).
Anorexia Nervosa is an eating disorder characterized by restriction of caloric intake.
With both, the nurse should stay with patients during meals and for at least an hour following, restrict strenuous activity, and offer privileges for treatment compliance & weight gain!