This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Eating Disorders, Subject name: Psychiatry
Which of the following features is least characteristic of Anorexia Nervosa? 
Select and explain. 
A. Low self esteem, B. Extreme fear of weight gain, C. Restricted energy intake, D. Disturbed body image perception
A: Low self esteem
Answer: A: Low self esteem 
Explanation: Essential features of anorexia nervosa: * Persistent energy intake restriction * Intense fear of gaining weight or of becoming fat * A disturbance in self perceived weight or shape