This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Schizophrenia, Subject name: Psychiatry
A 32-year-old female is brought by his family with history of gradual onset of suspiciousness, muttering and smiling without clear reason, decreased socialization, and violent outbursts. Mental status examination revealed a blunt affect, thought insertion, impaired judgement and insight. The most likely diagnosis would be: 
Select and explain. 
A. Delusional disorder, B. Depression, C. Schizophrenia, D. Anxiety disorder
C: Schizophrenia
Answer: C: Schizophrenia 
Explanation: Ans. C. SchizophreniaSchizophrenia is a disorder characterized by delusions, hallucinations, negative symptoms, aggressive behavior in clear consciousness. Altered sensorium is seen in organic conditions like delirium.