This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Sleep Disorders, Subject name: Psychiatry
With regard to anorexia nervosa the following is true except: 
Select and explain. 
A. Phobic avoidance of normal weight, B. Overperception of body image, C. Self induced vomiting, D. Menorrhagia
D: Menorrhagia
Answer: D: Menorrhagia 
Explanation: D ref: Ahuja, 4th/e p. 135-136 and 5th/e p. 149-156