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
Night mares are seen in 
Select and explain. 
A. Adjustment disorder, B. Post Traumatic stress disorder, C. Dissociation, D. Obsessive compulsive disorder
B: Post Traumatic stress disorder
Answer: B: Post Traumatic stress disorder 
Explanation: Patient with post traumatic stress disorder experiences dreams about trauma called as "nightmares".