An older adult patient takes multiple medications daily. Over 2 days the patient developed confusion, incoherent speech, an unsteady gait, and fluctuating levels of orientation. These findings are most characteristic of which of the following?
Amnesic syndrome
Delirium
Dementia
Alzheimer's disease
The Correct Answer is B
Reasoning:
Choice A reason: Amnesic syndrome is characterized by a primary deficit in memory (especially short-term) without the global impairment of consciousness or the fluctuating orientation seen in this patient. It does not typically involve the rapid, acute onset of incoherent speech or unsteady gait described here.
Choice B reason: The key indicators here are the acute onset (2 days), fluctuating orientation, and the context of polypharmacy in an older adult. Delirium is often triggered by medication interactions or toxicity in the elderly. Its hallmarks are rapid development and a clouded, fluctuating level of consciousness.
Choice C reason: Dementia is a chronic, progressive neurocognitive disorder that develops over months or years. A 2-day onset of confusion and incoherent speech is far too rapid for dementia. Dementia symptoms are generally stable and do not fluctuate as wildly as those of delirium throughout the day.
Choice D reason: Alzheimer's disease is the most common form of dementia. Like all dementias, it is characterized by a slow, insidious decline in memory and cognitive function. The sudden onset of these symptoms over 48 hours strongly suggests an acute metabolic or toxic process (delirium) rather than Alzheimer's.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is C
Explanation
Reasoning:
Choice A reason: A history of previous suicide attempts is actually the strongest predictor of a future completed suicide. This is a risk factor, not a protective intervention or a finding that increases safety; rather, it indicates the patient is at much higher risk for self-harm and requires more intensive monitoring.
Choice B reason: Cultural or religious beliefs regarding the shame of suicide can act as a deterrent, but they are often insufficient to prevent an attempt when a patient is in a state of profound despair. These external social pressures do not provide the internal psychological resilience that active, personal future-oriented goals provide.
Choice C reason: The presence of future-oriented goals is a significant protective factor. When a patient can articulate specific plans or things they look forward to, it indicates a sense of hope and a connection to the future. This "reason for living" significantly reduces the immediate risk of acting on suicidal impulses.
Choice D reason: While a fear of dying may temporarily hesitate a patient, it is often overridden by the desire to end psychological pain in cases of severe depression. Future-oriented thinking and personal goals are more stable and proactive psychological indicators of safety than the reactive, instinctual fear of the biological process of death.
Correct Answer is C
Explanation
Reasoning:
Choice A reason: Attempting to provide hygiene education to a patient in an acute manic state is clinically inappropriate and ineffective. During mania, the patient lacks the cognitive focus and impulse control necessary to engage in structured learning. Hygiene issues are a symptom of the mania, not a lack of knowledge.
Choice B reason: Increasing the dose without first establishing the current serum concentration is dangerous. Lithium has a very narrow therapeutic index, typically 0.6 to 1.2 mEq/L. If the patient is actually taking the medication and the level is already high, an increase could lead to life-threatening lithium toxicity.
Choice C reason: Lithium typically takes 7 to 14 days to reach therapeutic steady-state levels and show clinical improvement. However, if a patient remains highly symptomatic after 7 days on a robust dose like 1800 mg daily, the nurse must investigate medication adherence (cheeking) or subtherapeutic serum levels before adjusting the regimen.
Choice D reason: While monitoring and documentation are standard nursing responsibilities, they do not address the underlying clinical problem. The patient’s safety and stabilization depend on active intervention to ensure the medication is therapeutic. Passive observation allows the manic episode to continue, increasing the risk of exhaustion or injury.
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