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
Schizophrenia is characterized by - 
Select and explain. 
A. Formed through disorder, B. Hallucination, C. Delusion, D. All
D: All
Answer: D: All 
Explanation: This one is different from both the previous one. Here the examiner has not asked about the characteristic feature of schizophrenia. Schizophrenia is characterized by all symptoms which have been explained earlier. So,
Schizophrenia is a disorder of → thought, perception, mood & volition.
Hallmark of schizophrenia→ Thought disorders.
Characteristic features of schizophrenia → Delusions, hallucinations, disorganized speech and behavior, negative symptoms.
Schizophrenia is characterized by → All previously explained symptoms.