The PMHNP is working on an inpatient geropsychiatric unit. He is conducting the Montreal Cognitive Assessment (MoCA) on an 89-year-old woman with suspected dementia. He asks her to draw a clock to test her visual processing abilities. Which area of the brain is responsible for this function?
Left (dominant) parietal lobe
Right (nondominant) parietal lobe
Temporal lobe
Occipital lobe
The Correct Answer is B
Choice A reason: The left parietal lobe is more involved with language and calculation rather than visuospatial processing.
Choice B reason: The right parietal lobe is responsible for visuospatial processing, including tasks like clock drawing, which require integrating visual information and spatial orientation.
Choice C reason: The temporal lobe is primarily involved in memory, hearing, and language comprehension, not visuospatial construction.
Choice D reason: The occipital lobe processes basic visual input but does not integrate spatial and constructional aspects required for complex visuospatial tasks like clock drawing.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is B
Explanation
Choice A reason: Mild impairment typically corresponds to MMSE scores of 21–24, so a score of 15 is below this range.
Choice B reason: This choice is correct because MMSE scores between 10–20 indicate moderate cognitive impairment. A score of 15 suggests the patient has noticeable deficits in memory, orientation, and attention that require assistance in daily functioning.
Choice C reason: Severe impairment is indicated by MMSE scores below 10, reflecting profound cognitive deficits and likely complete dependence in activities of daily living.
Choice D reason: Normal cognitive function is reflected by MMSE scores above 24, so a score of 15 clearly indicates significant cognitive decline.
Correct Answer is C
Explanation
Choice A reason: Postpartum hypomania can occur in both primiparous and multiparous women; it is not limited to those with multiple births.
Choice B reason: Postpartum hypomania is relatively common, with higher rates reported than 1%, making this incorrect.
Choice C reason: Postpartum hypomania often precedes or predicts postpartum depression and is considered a risk factor for its development.
Choice D reason: It typically occurs early in the postpartum period, not late, often within the first few days after delivery.
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