Which of the following conditions or behaviors is a characteristic sign of a person with anorexia nervosa?

Question

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Maintaining a BMI of 17.5 or less is a characteristic sign of a person with anorexia nervosa. Anorexia nervosa is an eating disorder characterized by the restriction of food intake leading to a significantly low body weight, fear of gaining weight, and a distorted body image. An individual with anorexia nervosa may also exhibit excessive exercise, strict dietary rules, and social withdrawal. Chronic digestive tract disorder, consuming dietary supplements daily, and having a metabolic rate that is 10 to 25% above normal are not characteristic signs of anorexia nervosa.

Which of the Following Conditions or Behaviors Is a Characteristic