Common causes of acute psychotic behavior include all of the following, except:

• A. Substance intoxication or withdrawal
• B. Generalized anxiety disorder
• C. Acute medical illnesses like delirium
• D. Severe mood disorders such as bipolar disorder

Answer: (B)

Verified step by step guidance

1. Understand the term 'acute psychotic behavior,' which refers to a sudden onset of symptoms such as hallucinations, delusions, disorganized thinking, and impaired reality testing.
2. Review each option to determine if it is commonly associated with acute psychotic episodes:
3. Recognize that 'Substance intoxication or withdrawal' can cause acute psychosis due to the direct effects of drugs or the brain's reaction to their absence.
4. Know that 'Acute medical illnesses like delirium' often present with sudden confusion and psychotic-like symptoms, making them common causes of acute psychosis.
5. Identify that 'Severe mood disorders such as bipolar disorder' can include psychotic features during manic or depressive episodes, thus being a common cause of acute psychotic behavior.