Which of the following is an extrapyramidal symptom commonly associated with antipsychotic medications?

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Multiple Choice

Which of the following is an extrapyramidal symptom commonly associated with antipsychotic medications?

Explanation:
Extrapyramidal symptoms are movement disorders caused by dopamine blockade in the brain's basal ganglia from antipsychotic medications. Tremor and rigidity reflect drug-induced parkinsonism, a classic EPS resulting from D2 receptor blockade in the nigrostriatal pathway. Other listed effects—dry mouth (anticholinergic effect), sedation (CNS depression), and orthostatic hypotension (alpha-adrenergic blockade)—are not movement disorders, so they don’t represent EPS.

Extrapyramidal symptoms are movement disorders caused by dopamine blockade in the brain's basal ganglia from antipsychotic medications. Tremor and rigidity reflect drug-induced parkinsonism, a classic EPS resulting from D2 receptor blockade in the nigrostriatal pathway. Other listed effects—dry mouth (anticholinergic effect), sedation (CNS depression), and orthostatic hypotension (alpha-adrenergic blockade)—are not movement disorders, so they don’t represent EPS.

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