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
Munchausen syndrome by proxy is:NIMHANS 10 
Select and explain. 
A. Factitious disorder, B. Malingering, C. Hysteria, D. Conversion disorder
A: Factitious disorder
Answer: A: Factitious disorder 
Explanation: Ans. Factitious disorder