NR546 WEEK 7 QUESTIONS WITH CORRECT ANSWERS 2025

NR546 WEEK 7 QUESTIONS WITH
CORRECT ANSWERS 2025
NeurotransmittersGinvolvedGinGADHDG-GCORRECTGANSWERG-DopamineG&Gnorepinephrine

-affectGsymptomsGofGinattentionG&Ghyperactivity



PharmacologicGTreatmentGofGSleepGDisorders:G-GCORRECTGANSWERG-Over-the-counter

Melatonin

OrexinGreceptorGantagonists

Antidepressants

Z-drugs

Benzodiazepines



prevalenceGofGADHDGinGtheGUnitedGStatesGpopulationG-GCORRECTGANSWERG-
6.1GmillionGchildrenGareGdiagnosedGwithGADHDGinGtheGU.S.

-BoysGmoreGlikelyGthanGgirlsG(12.9%Gboys,G5.6%Ggirls)

-1/3GhaveGsymptomsGintoGadulthood

-6GinG10GchildrenGhaveGatGleastGoneGotherGmental,Gemotional,GorGbehavioralGdisorder

-Comorbidities:

•GBehavior/conductGproblems

•GAnxiety

•GDepression

•GAutismGspectrumGdisorder

•GTouretteGsyndrome



ADHDGSymptoms:G-GCORRECTGANSWERG-TypicallyGstartGbeforeGageG12,GmayGbeginGtoGappearGearlyGasG3:



-SelectiveGAttention

•GlackGofGattentionGtoGdetail

,•GcarelessGmistakes

•GnotGlistening

•GlosingGthings

•GdivertingGattention

•Gforgetfulness



-LackGofGSustainedGAttention

•GpoorGproblemGsolving

•GdifficultyGcompletingGtasks

•Gdisorganization

•GdifficultyGsustainingGmentalGeffort



-Impulsivity

•GexcessiveGtalking

•GblurtingGthingsGout

•GnotGwaitingGone'sGturn

•Ginterrupting



-Hyperactivity

•Gfidgeting

•GleavingGone'sGseat

•Grunning,Gclimbing

•GtroubleGplayingGquietly



*SymptomsGrelatedGtoGattentionGusuallyGdevelopG2-
4GyearsGafterGtheGemergenceGofGhyperactiveGsymptomsGinGchildhood



ADHDGlifespanGconsiderationsG-GCORRECTGANSWERG--SymptomsGchangeGwithGage.

-NotGonlyGaGchildhoodGdiagnosis

, -HyperactivityGdecreasesGmarkedlyGwithGage

-
PrimaryGSymptoms:Ginattention,Grestlessness,GcognitiveG&GemotionalGimpulsivity,GexecutiveGfunctioningGd
eficits,GandGself-regulation

-
AdultsGstrugglingGwithGexecutiveGfunctioningGdifficultiesGandGdisorganizationGmayGexperienceGoccupation
alGstressGorGanxiety.



neurobiologicalGfactorsGthatGcontributeGtoGADHD:GGeneticsG-GCORRECTGANSWERG-
ImportantGroleGinGdevelopmentGofGADHD.G

-heritabilityGofGupGtoG88%



OtherGriskGfactorsGforGADHDGinclude

-prematureGbirth

-lowGbirthGweight

-maternalGstressGduringGpregnancy

-prenatalGsubstanceGexposure,GincludingGtobaccoG

-adverseGchildhoodGenvironmentalG

-psychosocialGstress

-inconsistentGparentingGpracticesG



neurobiologicalGfactorsGthatGcontributeGtoGADHD:GNeuroanatomyG-GCORRECTGANSWERG-
SpecificGADHDGsymptomsGmayGariseGfromGabnormalitiesGwithinGcircuitsGinGtheGprefrontalGcortexG(PFC)

-affectGexecutiveGfunction



neurobiologicalGfactorsGthatGcontributeGtoGADHD:GNeuralGNetworksG-GCORRECTGANSWERG--
symptomsGoftenGbecomeGnoticeableGatGaboutG6-
7GyearsGofGage,GpossiblyGdueGtoGabnormalitiesGinGtheGprefrontalGcortexGcircuitsGorGerrorsGinGtheGsynapticGp
runingGprocess.G

-BothGselectiveGandGsustainedGattentionGareGmodulatedGbyGtheGcorticostriatal-
thalamocorticalG(CSTC)Gloop

•GsameGloopGthatGisGassociatedGwithGanxiety.G