This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Neurotic, Stress Related and Somatoform Disorders, Subject name: Psychiatry
The most common form of dissociative hysteria is: 
Select and explain. 
A. Fugue, B. Amnesia, C. Multiple personality, D. Somnambulism
B: Amnesia
Answer: B: Amnesia 
Explanation: Dissociative amnesia is the most common type of dissociative disorder.