A 31-year-old woman with a history of intellectual disability and congenital heart defects presents to the nurse practitioner with new onset neurologic deficits. Magnetic resonance imaging is contraindicated in patients with a history of which of the following?
Claustrophobia
Essential hypertension
Implanted defibrillator
Intrauterine device
The Correct Answer is C
Choice A reason: Claustrophobia may cause discomfort or anxiety during MRI, but it is not an absolute contraindication; sedation or open MRI can be used.
Choice B reason: Essential hypertension is not a contraindication; blood pressure is monitored but MRI can still be performed safely.
Choice C reason: Implanted defibrillators can malfunction or pose a serious risk in the strong magnetic field of MRI, making this an absolute contraindication unless the device is MRI-compatible.
Choice D reason: Intrauterine devices are generally safe for MRI; they may cause minor artifact but do not pose significant risk.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is D
Explanation
Choice A reason: Bipolar II disorder involves at least one hypomanic episode and one major depressive episode, but this patient has a history of full manic episodes, not hypomania.
Choice B reason: While bipolar I disorder with a current or most recent depressive episode captures the depressive phase, it does not account for the chronic depressive symptoms predating manic episodes.
Choice C reason: Cyclothymic disorder involves chronic fluctuating mood states without meeting criteria for full manic or major depressive episodes. This does not match the patient’s manic history.
Choice D reason: Bipolar I disorder with coexisting persistent depressive disorder (dysthymia) accounts for the patient’s chronic depressive symptoms and history of full mania, making it the most accurate diagnosis.
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.
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