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
All of the following are disruptive & impulse control disorders, except : 
Select and explain. 
A. Munchausen syndrome, B. Conduct disorder, C. Intermittent explosive disorder, D. Oppositional defiant disorder
A: Munchausen syndrome
Answer: A: Munchausen syndrome 
Explanation: Munchausen syndrome is a mental illness where the patient feigns symptoms deliberately without ant motive.