This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Psychiatry, Subject name: Medicine
[{'content': 'Delusions of persecution, grandiosity and infidelity are features of \nSelect and explain. \nA. Bipolar disorders, B. Obsessive compulsive disorder, C. Paranoid schizophrenia, D. Borderline personality disorder', 'role': 'user'}, {'content': "Answer: C \nExplanation: i.e. (Paranoid schizophrenia): (2721-H 17th)PARANOID SCHIZOPHRENIACharacterized by1. Delusion of persecution2. Delusion of reference3. Delusion of grandeur (or grandiosity)4. Delusion of infidelity (or Jealousy)5. Schneider's first rank symptoms6. The delusions are usually well-systematized7. The personality deterioration is much less than in other types of schizophrenias8. Patients may be apprehensive (due to delusions & hallucination)SCHIZOPHRENIACATATONICClinical presentation is dominated by profound changes in motor activity, negativism and echolalia or echopraxiaPARANOIDProminent preoccupation with a specific delusional systemDISORGANIZEDDisorganized speech and behavior are accompanied by a superficial or silly affectRESIDUALNegative symptomatology exists in the absence of delusions, hallucination or motor disorders", 'role': 'assistant'}]