The PMHNP primarily works with older adult patients who frequently present with cognitive issues. He knows many people with Lewy body dementia are misdiagnosed or do not receive diagnosis for 18 months or more. Which of the following assessment tools does the PMHNP use to discriminate between Lewy body dementia (LBD), Parkinson's disease dementia (PDD), and mild cognitive impairment (MCI) due to Lewy body disease from other forms of cognitive impairment?
Eight-item Informant Interview to Differentiate Aging and Dementia (AD8)
Mini-Cog
Lewy Body Composite Risk Score
Informant Questionnaire on Cognitive Decline in the Elderly
The Correct Answer is C
Choice A reason: The AD8 is a brief informant interview used to detect early cognitive changes but does not specifically differentiate between LBD, PDD, and MCI due to Lewy body disease.
Choice B reason: The Mini-Cog is a screening tool for cognitive impairment but lacks specificity for Lewy body pathology.
Choice C reason: The Lewy Body Composite Risk Score is specifically designed to assess features that differentiate LBD, PDD, and MCI related to Lewy body disease from other dementias, making it the most appropriate tool.
Choice D reason: The Informant Questionnaire on Cognitive Decline in the Elderly assesses general cognitive decline but does not provide specificity for Lewy body disease subtypes.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is B
Explanation
Choice A reason: A lithium level of 5 mEq/L is critically high and would indicate severe toxicity, not subtherapeutic dosing.
Choice B reason: A lithium level of 0.5 mEq/L is at the low end or below the therapeutic range for acute mania (0.8–1.2 mEq/L), suggesting subtherapeutic dosing and a need for an increased dose.
Choice C reason: A lithium level of 1.2 mEq/L is within the therapeutic range for acute mania and would not indicate underdosing.
Choice D reason: A lithium level of 15 mEq/L is lethally toxic and requires immediate medical intervention, not dose escalation.
Correct Answer is D
Explanation
Choice A reason: The MMR vaccine is contraindicated during pregnancy because it is a live attenuated vaccine, which could pose a risk to the fetus.
Choice B reason: The Varicella vaccine is also live attenuated and not recommended during pregnancy; vaccination is advised prior to conception.
Choice C reason: The MenB vaccine is generally not part of routine prenatal immunization unless there is a specific risk factor.
Choice D reason: The Tdap vaccine protects against pertussis, which is critical during pregnancy to confer passive immunity to the newborn. It is recommended in the third trimester regardless of previous vaccination status.
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