CU NR 546 QUESTIONS WITH CORRECT ANSWERS

CU NR 546 QUESTIONS WITHCORRECT v v v v v




ANSWERS 2025 v v




How does reviewing the genetic makeup of a client help guide the PMHNP in selecting medication for
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clients? - CORRECT ANSWER -
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Genetic testing can assist by providing more information on how clients may respond to certain psycho
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tropic medications, as well as providing information on how a client may break down and metabolize
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medications based on the cytochrome P450 system.
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There may be an environmental exposure that turned a gene "on" that should have been "off" for one twin
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to develop schizophrenia and not the other
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. Both environmental and psychosocial stressors can impact mental health. Although twins may have id
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entical genes, their gene expression may be different.
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Neuroscience - CORRECT ANSWER - v v v v




is the study of the structure and function of the brain and is a field which is making great advancemen ts
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(Pliszka, 2016). A strong foundational understanding of neuroscience and how the structure and fun ction of
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the brain can result in mental health symptoms is necessary to treat mental illnesses.
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Some mental disorders such as Alzheimer's disease, schizophrenia, and major depressive disorder are t
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hought to be a result of malformations or malfunctions within the brain.
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The psychiatric mental health nurse practitioner (PMHNP) must comprehend how medications impact t he
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brain in order to safely and effectively prescribe psychotropic medications.
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Brain tissue - CORRECT ANSWER -is composed of gray and white matter.
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gray matter - CORRECT ANSWER -The cerebellum, cerebrum, brain stem, and the butterfly-
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shaped portion of the central spinal cord are comprised of gray matter which contains neural cell bodi es,
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axon terminals, dendrites, and all nerve synapses.
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, It is the working area of the brain and the focus of psychiatry and neurology.
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Gray matter - CORRECT ANSWER -associated with learning.
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Changes in the gray matter are linked to psychiatric diagnoses including Alzheimer's disease, schizophr enia,
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and major depressive disorder.
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White Matter - CORRECT ANSWER - v v v v v




contains nerve fibers that connect neurons from different regions into functional circuits.
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The myelin that coats neuronal axons is necessary for electrical impulse transmission.
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Think of the white matter as a transit system. If there are breaks in the system, then people cannot ge t to
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their destinations.
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Within the brain, these breaks affect neural communication, affecting behavior.
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Damage to the myelin can impair transmission which can impact not only sensory and motor function, but
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also cognition.
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White matter abnormalities are associated with autism and vascular dementia.
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The central sulcus separates which lobes? - CORRECT ANSWER -frontal lobe from parietal lobe
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Frontal lobe - CORRECT ANSWER -Associated with movement, intelligence, abstract thinking. etc.
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Broca's area - CORRECT ANSWER -Speech v v v v v