Per DSM-5, which of the following best describes brief psychotic disorder?
Sudden onset of psychotic symptoms in less than a month.
Sudden onset of psychotic symptoms in less than two months.
Sudden onset of psychotic symptoms in less than one year.
Sudden onset of psychotic symptoms in less than six months.
The Correct Answer is A
A. Sudden onset of psychotic symptoms in less than a month. According to the DSM-5, brief psychotic disorder is characterized by a sudden onset of delusions, hallucinations, disorganized speech, or disorganized behavior that lasts at least one day but less than one month, with eventual full recovery.
B. Sudden onset of psychotic symptoms in less than two months. The DSM-5 criteria do not define brief psychotic disorder with a two-month duration. If symptoms persist beyond one month, another diagnosis, such as schizophreniform disorder, may be considered.
C. Sudden onset of psychotic symptoms in less than one year. Psychotic symptoms lasting up to one year are more indicative of schizophrenia or schizoaffective disorder, not brief psychotic disorder.
D. Sudden onset of psychotic symptoms in less than six months. Psychotic symptoms lasting longer than one month but less than six months are consistent with schizophreniform disorder, rather than brief psychotic disorder.
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Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is A
Explanation
A. Lack of motivation. Avolition is a negative symptom of schizophrenia characterized by a severe lack of motivation to initiate and sustain goal-directed activities. Individuals with avolition struggle with completing daily tasks, such as hygiene, work, or social interactions, which significantly impairs their functioning.
B. No emotion. This describes flat affect, where individuals show reduced emotional expression in facial expressions, voice tone, and body language. Flat affect is a separate negative symptom of schizophrenia, distinct from avolition.
C. Inability to experience pleasure. This describes anhedonia, which refers to the inability to feel pleasure from previously enjoyable activities. Anhedonia is commonly seen in schizophrenia, major depressive disorder (MDD), and substance use disorders.
D. No empathy. Lack of empathy is more characteristic of antisocial personality disorder (ASPD) or narcissistic personality disorder (NPD). While individuals with schizophrenia may struggle with social interactions, this is due to cognitive deficits rather than an absence of empathy.
Correct Answer is A
Explanation
A. Clozapine (Clozaril) is a second-generation (atypical) antipsychotic known for its strong dopamine (D2) and serotonin (5-HT2A) blockade. It is primarily used for treatment-resistant schizophrenia but has a high risk of agranulocytosis, metabolic syndrome, and sedation, requiring regular blood monitoring.
B. Haloperidol (Haldol) is a first-generation (typical) antipsychotic that strongly blocks dopamine (D2) receptors, leading to a high risk of extrapyramidal symptoms (EPS) such as dystonia, tardive dyskinesia, and akathisia. It is commonly used for acute psychosis and agitation.
C. Fluphenazine (Prolixin is a first-generation antipsychotic that also strongly antagonizes D2 receptors, making it effective for chronic schizophrenia but highly associated with EPS. It is available in long-acting injectable (LAI) form for maintenance therapy.
D. Chlorpromazine (Thorazine) is a first-generation, low-potency antipsychotic with strong sedative, anticholinergic, and hypotensive effects. While it has a lower risk of EPS compared to high-potency FGAs like haloperidol, it causes more sedation, orthostatic hypotension, and weight gain due to histamine and muscarinic receptor blockade.
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