The PMHNP is conducting a mental status exam (MSE) on a new client. He asks her to explain the meaning of the proverb, "A rolling stone gathers no moss." The PMHNP understands that the proverb portion of the MSE tests functioning in which areas of the brain?
Temporal lobe
Parietal lobe
Occipital lobe
Frontal lobe
The Correct Answer is D
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.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is D
Explanation
Choice A reason: Ondansetron is a potent antiemetic that can be effective for nausea and vomiting, but it is typically not the first-line therapy in early pregnancy due to potential, albeit low, risks of fetal malformations. Its use is usually reserved for cases refractory to first-line interventions.
Choice B reason: Metoclopramide can be used for nausea and vomiting in pregnancy, but it carries risks of extrapyramidal side effects and is generally not the first-line recommendation for mild to moderate morning sickness.
Choice C reason: Promethazine is an antihistamine antiemetic that can be used safely in pregnancy but is often reserved for more severe cases or when first-line therapy fails. Sedation is a common side effect.
Choice D reason: Doxylamine, an antihistamine, combined with vitamin B6 (pyridoxine) is considered the first-line treatment for nausea and vomiting in pregnancy. This combination has demonstrated efficacy and safety in early pregnancy, making it the preferred initial therapy for severe morning sickness.
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.
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