This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Psychiatry
Which of the following conditions characterised by episodes of excessive and uncontrolled eating - 
Select and explain. 
A. Anorexia nervosa, B. Bulimia nervosa, C. Body dysmorphobia, D. All of the above
B: Bulimia nervosa
Answer: B: Bulimia nervosa 
Explanation: None