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
Loss of insight is seen 
Select and explain. 
A. Hysteria, B. Anxiety, C. OCN, D. Schizophrenia
D: Schizophrenia
Answer: D: Schizophrenia 
Explanation: D i.e. Schizophrenia