Which of the following medications is listed as an atypical antipsychotic in the delirium context?

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Multiple Choice

Which of the following medications is listed as an atypical antipsychotic in the delirium context?

Explanation:
In delirium, antipsychotics are used to control agitation and perceptual disturbances when nonpharmacologic measures aren’t enough. Atypical (second‑generation) antipsychotics are often preferred because they carry a lower risk of extrapyramidal symptoms than older agents, though they still have metabolic and other side effects to monitor. Risperidone is an atypical antipsychotic, which is why it’s the correct choice. Haloperidol and chlorpromazine are typical antipsychotics, historically used for delirium but associated with higher EPS risk. Dexmedetomidine is not an antipsychotic; it’s an alpha‑2 agonist sedative used to calm patients with delirium, especially in ICU settings, without treating psychosis.

In delirium, antipsychotics are used to control agitation and perceptual disturbances when nonpharmacologic measures aren’t enough. Atypical (second‑generation) antipsychotics are often preferred because they carry a lower risk of extrapyramidal symptoms than older agents, though they still have metabolic and other side effects to monitor.

Risperidone is an atypical antipsychotic, which is why it’s the correct choice. Haloperidol and chlorpromazine are typical antipsychotics, historically used for delirium but associated with higher EPS risk. Dexmedetomidine is not an antipsychotic; it’s an alpha‑2 agonist sedative used to calm patients with delirium, especially in ICU settings, without treating psychosis.

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