PCCN Practice Exam Notes (2025) Questions and Answers

PCCN Practice Exam Notes (2025) Questions
and Answers
PtAonAVtach,AHRA135,ARRA32,ABPA90/48,AconsciousAbutAc/oAdizziness,ArecentAK+AlvlAisA3.4.
AWhatAactionAwouldAyouAdoAfirst?

a.AemergentAdefib
b.AamioA300mgAIVP
c.AemergentAcardioversion
d.AhangA10AmEqAKCL/50mLAD5WA-ACORRECTAANSWERS-C
TheAnurseAnotesAtheAfollowingAwhenAanalyzingAaApatient'sAtelemetryAstrip:AHR,A65/minAan
dAregular;APRAinterval,A0.22Aseconds;AQRSAcomplex,A0.10Aseconds;AQTc,A0.52Aseconds.A
WhichAofAtheAfollowingAdysrhythmiasAisAtheApatientAatAriskAfor?

A.AAtrialAfibrillationAbecauseAtheAPRAintervalAisAwideA
B.ASinusAarrhythmiaAbecauseAtheAQRSAcomplexAisAnarrowA
C.ATorsadesAdeApointesAbecauseAtheAQTcAisAwideA
D.AThird-degreeAheartAblockAbecauseAtheAPRAintervalAisAnarrowA-ACORRECTAANSWERS-
C.

QTAmeasurementsAreflectAtheAdurationAofAventricularArepolarization.ALengtheningAofAQTAi
ntervalAisAassociatedAwithAarrhythmias,AadverseAcardiacAevents,AandAincreasedAmortalityA
becauseAaAlongerAQTAdurationAplacesAtheAvulnerableAventricularArepolarizationAphaseAclo
seAtoAtheAnextAdepolarization,AincreasingAtheAlikelihoodAofAR-on-
T.ATheAmostAcommonAarrhythmiaAthatAoccursAwithAprolongedAQTcAisAtorsadesAdeApointes.
AAtrialAfibrillation,AsinusAbradycardia,AandAthird-

degreeAheartAblockAareAnotAtypicallyAassociatedAwithAprolongedAventricularArepolarizationA
(QTcA>0.50Aseconds).
AApatientAwithAchronicAobstructiveApulmonaryAdiseaseA(COPD)AisAadmittedAforAworseningA
dyspneaAandApossibleApneumonia.ATheAcurrentAABGAresultsAareApH,A7.19;APaO2,A52AmmA
Hg;APaCO2,A68AmmAHg;AHCO3A-A,A32Ammol/L.ATheAnurseAwouldAinterpretAtheseAresultsAas
A.AMetabolicAacidosisAwithAhypoxemiaA
B.ARespiratoryAacidosisAwithAhypoxemiaA
C.ARespiratoryAalkalosisAwithAtypicalAoxygenationAforAaACOPDApatient
D.AMetabolicAalkalosisAwithAtypicalAoxygenationAforAaACOPDApatientA-
ACORRECTAANSWERS-B.




BasedAonAtheAABGAanalysis,AtheApatientAisAexperiencingAaArespiratoryAacidosisAwithAhypo
xemiaAmostAlikelyAdueAtoAtheApneumonia.AAApHAofA7.19AindicatesAacidosis;AaAPaCO2AofA68
AmmAHgAisAelevatedAandAaAcauseAofAacidosis;AanAHCO3A-

AofA32Ammol/LAindicatesArenalAcompensation;AaAPaO2AofA52AmmAHgAindicatesAhypoxemia

76-year-
oldApatientAisAreceivingAgentamicinAandAlinezolidAforAanAinfection.AWhichAofAtheAfollowingAp
otentialAcomplicationsAisAtheAmostAimportantAforAtheAnurseAtoAmonitorAthisApatientAfor?A

, A.AAcuteAdeliriumA
B.AAcuteAkidneyAinjuryA
C.AAcuteAhepaticAfailureA
D.ASepsisA-ACORRECTAANSWERS-B.

GentamicinAisAaAnephrotoxicAagentAthatAplacesApatientsAatAriskAforAacuteAkidneyAinjury,Aan
dAthisAriskAisAincreasedAinAolderApatients.AAcuteAdeliriumA(A),AliverAfailureA(C),AandAsepsisA(
D)AareAallAcomplicationsAthatAcouldAoccurAinAanAolderAadultAwithAanAinfectionAbutAwouldAnot
AbeAcausedAbyAtheAadministrationAofAanAantibiotic.

AnAolderApatientAisAexperiencingAdeliriumA24AhoursAfollowingAhipAreplacement.AWhichAinte
rventionAmightAworsenAtheApatient'sAcondition?
A.ARemovingAanyAunnecessaryAtubesAandAequipmentAfromAtheAroomA
B.AAssessingAandAtreatingAtheApatient'sApainAeveryA2AhoursA
C.AEnsuringAthatAtheApatientAhasAtheAmeansAtoAcallAforAhelpA
D.ALooselyAapplyingAsoftArestraintsA-ACORRECTAANSWERS-D.

OlderApatientsAareAatAincreasedAriskAforAdeliriumAduringAacuteAhospitalization.AIntervention
sAtoAmanageAacuteAdeliriumAincludeAremovingAorAcamouflagingAtubes,AremovingAunneces
saryAequipment,AfrequentlyAreorientingAtheApatient,AandAensuringAthatAtheAcallAbellAisAconsi
stentlyAwithinAreach,AassessingAandAtreatingApainAeffectively,AandAencouragingAmobilityAa
ndAinvolvementAinAactivitiesAofAdailyAliving.ARestrainingAtheApatientAisAcontraindicatedAinAth
eAcareAofApatientsAwithAdelirium.
AApatientAshowsAaAnewAslightAfacialAdroopAandAtheApatient'sArightAarmAisAweakerAthanAtheAl
eft.AAApriorityAinterventionAwouldAbeAtoA
A.AObtainAaAserumAglucoseAlevelA
B.AObtainAaAfullAsetAofAvitalAsignsA
C.AInitiateAtheAstrokeAprotocolA
D.AInitiateAtheAcodeAresponseAteamA-ACORRECTAANSWERS-C.

TheAstrokeAprotocolAshouldAbeAactivatedAasAsoonAasAsignsAofAstrokeAareAidentifiedAinAaApat
ient.AInitialAsignsAofAstrokeAincludeAfacialAdroop,AarmAdownAdrift,AandAgarbledAspeech.AForA
bestAoutcomes,AtheAtimeAelapsedAbetweenAinitialsAsignsAofAstrokeAandAtreatmentAmustAbeA
asAshortAasApossible.
WhichAofAtheAfollowingAlabAresultsAshowsAacuteApancreatitis?A-ACORRECTAANSWERS-
elevatedAglucose,Alipase,Aamylase,ABUN/Cr,Atriglycerides,AandAbilirubinA(knowAyourAlabAva
lues)
lowAcalcium,AmagAandApotassium

tx:Afluids,ArestApancreas,ApainAmanagement,AmonitorAandAreplaceAelectrolytes,Anutrition,As
urgeryA(firstAlineAifAhemorrhagic/necrotizing)
Post-
opAgastricAbypassAc/oAtachycardia,Atachypnea,Adiaphoresis,AfeverAandArevealsAclean,Adry,
AclosedAabdAstapleAlineAandAlargeAfirmAabdomen.A-ACORRECTAANSWERS-

suspectAanastomosisAleakAandApossibleAperitonitis
DischargeAeducationAforA(diet)ApostAcholecystitisA-ACORRECTAANSWERS-low-fatAdiet