100% CORRECT QUESTIONS AND ANSWERS FOR CU NR 546

100% CORRECT QUESTIONS AND
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ANSWERS FOR CU NR 546
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How !!does !!reviewing !!the !!genetic !!makeup !!of !!a !!client !!help !!guide !!the !!PMHNP !!in
!!selecting !!medication !!for !!clients? !!- !!CORRECT !!ANSWER-Genetic !!testing !!can !!assist

!!by !!providing !!more !!information !!on !!how !!clients !!may !!respond !!to !!certain !!psychotropic

!!medications, !!as !!well !!as !!providing !!information !!on !!how !!a !!client !!may !!break !!down !!and

!!metabolize !!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 !!
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been !!"off" !!for !!one !!twin !!to !!develop !!schizophrenia !!and !!not !!the
!!other
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. !!Both !!environmental !!and !!psychosocial !!stressors !!can !!impact !!mental !!health.
!!Although !!
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twins !!may !!have !!identical !!genes, !!their !!gene !!expression !!may !!be
!!different.
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Neuroscience !!- !!CORRECT !!ANSWER-is !!the !!study !!of !!the !!structure !!and !!function !!of
!!the !!brain !!and !!is !!a !!field !!which !!is !!making !!great !!advancements !!(Pliszka, !!2016). !!A

!!strong !!foundational !!understanding !!of !!neuroscience !!and !!how !!the !!structure !!and

!!function !!of !!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 !!thought !!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 !!the !!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-shaped !!portion !!of !!the !!central !!spinal !!cord !!are !!comprised !!of !!gray !!matter

!!which !!contains !!neural !!cell !!bodies, !!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 !!
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disease, !!schizophrenia, !!and !!major !!depressive
!!disorder.
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White !!Matter !!- !!CORRECT !!ANSWER-contains !!nerve !!fibers !!that !!connect !!neurons
!!from !!
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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 !!
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people !!cannot !!get !!to !!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 !!
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motor !!function, !!but !!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 !!
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parietal
!!lobe
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Frontal !!lobe !!- !!CORRECT !!ANSWER-Associated !!with !!movement, !!intelligence,
!!abstract !!
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thinking.
!!etc.
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Broca's !!area !!- !!CORRECT !!ANSWER-Speech !!
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Temporal !!lobe !!- !!CORRECT !!ANSWER-Involves !!object !!identification !!and !!auditory
!!signals !!
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Cerebellum !!- !!CORRECT !!ANSWER-coordination !!and !!balance !!
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Wernicke's !!area !!- !!CORRECT !!ANSWER-Speech !!comprehension !!
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occipital !!lobe !!- !!CORRECT !!ANSWER-Primary !!visual !!area !!
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parietal !!lobe !!- !!CORRECT !!ANSWER-Keeps !!us !!alert !!to !!what !!is !!going !!on !!around !!us !!