A patient in the intensive care unit begins to demonstrate agitation and picks at his clothes and intravenous lines. The nurse realizes this patient is exhibiting
1. hyperactive delirium.
2. hypoactive delirium.
3. hyperactive dementia.
4. mixed dementia.
1
Rationale: Hyperactive delirium, also referred to as ICU psychosis, is characterized by agitation, restlessness, and "picking" at monitoring, feeding, or intravenous devices. Hypoactive delirium is characterized by lethargy rather than agitation, withdrawal, flat affect, apathy, and decreased responsiveness. Hyperactive or mixed are not forms of dementia.
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