A 41-year-old man presents to the PMHNP with new-onset depression and motor abnormalities. These symptoms are indicative of which disorder?
Neurosyphilis
Kuru
Huntington’s disease
Neurocognitive disorder due to HIV infection
The Correct Answer is C
Choice A reason: Neurosyphilis can cause neuropsychiatric symptoms but typically presents with a broader spectrum including sensory deficits and gait disturbances.
Choice B reason: Kuru is a prion disease historically seen in Papua New Guinea with tremors and ataxia, not a common diagnosis elsewhere.
Choice C reason: Huntington’s disease presents with movement disorders (chorea), cognitive decline, and psychiatric symptoms such as depression, often in midlife.
Choice D reason: HIV-associated neurocognitive disorder may cause cognitive deficits but motor abnormalities are less specific and occur later in disease progression.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is D
Explanation
Choice A reason: The temporal lobe primarily processes auditory information and is involved in memory formation, but abstract reasoning and proverb interpretation are not localized to this area.
Choice B reason: The parietal lobe integrates sensory information and contributes to spatial awareness, which is unrelated to abstract reasoning or interpretation of proverbs.
Choice C reason: The occipital lobe is mainly responsible for visual processing and does not govern executive functions or abstract thought.
Choice D reason: The frontal lobe, particularly the prefrontal cortex, is critical for executive functioning, abstract reasoning, planning, and judgment. Interpreting proverbs like “A rolling stone gathers no moss” requires conceptualization, abstraction, and insight, making this portion of the MSE a test of frontal lobe functioning.
Correct Answer is C
Explanation
Choice A reason: While the CDT is somewhat affected by education, it should not be used alone for diagnostic purposes because it is a screening tool, not a definitive test.
Choice B reason: The CDT does not measure IQ; it is designed to assess multiple domains of cognitive function including executive functioning, visuospatial abilities, and planning.
Choice C reason: The CDT is quick to administer, non-invasive, and provides assessment across multiple cognitive domains, making it valuable for early detection of cognitive impairment.
Choice D reason: The CDT does not specifically predict focal brain degeneration; it is a general screening tool rather than a neuroimaging substitute.
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