Nr 224 Exam Fully Solved & Updated (Latest Version Verified For Accuracy) (Questions + Answers) Solved 100% Correct!!

NR 224 EXAM FULLY SOLVED &
UPDATED 2026-2027 (LATEST VERSION
VERIFIED FOR ACCURACY)
(QUESTIONS + ANSWERS) SOLVED
100% CORRECT!!

WhoRisRatRincreasedRriskRofRinfection?R-RCORRECTRANSWER-elderly

-infants

-immobility

-autoimmune

-malnourished

-immunocompromised

-transplant

-chemo

-HIV

-steroids



Body'sRNaturalRDefensesR-RCORRECTRANSWER-skin

-mucusRmembranes

-saliva/tears/sweat

-inflammation

-GI/GUR(flushing)

-immuneRsystem

-respiratoryRtractR(cilia/cough)

,WhatRisRtheRnursesRroleRinRinfectionRcontrol?R-
RCORRECTRANSWERassess,Reducation,RuseRproperRprecautions




ChainRofRInfectionR-RCORRECTRANSWER1.RInfectiousRAgent

2.RReservoir

3.RPortalRofRExit

4.RModeRofRTransmission

5.PortalRofREntry

6.RSusceptibleRHost

*goalRisRtoRbreakRtheRchain



InfectiousRAgentR-RCORRECTRANSWER-bacteria,Rvirus,Rprotozoa,Rfungus

-residentRflora:RbacteriaRthatRisRalreadyRpresent

-transientRflora:RattachesRtoRtheRskinR->RcausesRinfection

-virulence:Rstrength



ReservoirR-RCORRECTRANSWER-H2O,RbodyRfluids,Ranimals,Rinsects,Rfood,Rpeople

-needsRproperRenvironmentR(temp,RpH,Rlight,RO2)



PortalRofRExitR-RCORRECTRANSWER-
bodyRfluids,RrespiratoryRtract,RGI,RGU,RmucusRmembranes,Rskin,Rblood,Rtransplacental



ModeRofRTransmissionR-RCORRECTRANSWER-directRcontact:Rfecal-
oral,RshakingRhandsR(contactRprecautions

-indirectRcontact:Robjects,RneedlesR(contactRprecautions)

-droplet:R3ftRtravel,RbiggerR(dropletRprecautions)

,-airborne:Rsmaller,RevaporatedRdropletsR(airborneRprecautions)



TierR1R-RCORRECTRANSWERstandardRprecautions:Rhand-
washing,Rgloves,RneedleRsafety,RproperRdisposalRofRbiohazard



TierR2R-RCORRECTRANSWERcontact:RgownRandRglovesR(MRSA,RVRE)

modifiedRcontact:Rsoap,Rwater,RbleachRbasedRproductsR(CDIFF)

droplet:Rmask,Rgloves,RgownR(flu,Rpneumonia)

airborne:RnegativeRairRflow,RhepaRfilter,Rantiroom,RN95Rmask,Rgown,RglovesR(TB,Rmeasles,Rvaricella,
Rmeningitis)




PortRofREntryR-RCORRECTRANSWER-preferablyRsameRasRexit



SusceptibleRHostR-RCORRECTRANSWER-
abilityRtoRgetRinfection,RvaccinationsRmakeRhostRlestRsusceptible



SurgicalRAsepsisR-RCORRECTRANSWER-handsRaboveRwaistR(evenRwhenRthrowingRawayRtrash)

-eliminateRallRpathogens

-someRdressingRchanges

-catheterizations

-surgicalRprocedures

-notRneededRforRNGRtubeRinsertionsRsinceRtheRcavityRisRnotRsterile

-dontRputRthingsRonRbedsideRtable!



NursingRresponsibilitiesRwithRskinR-RCORRECTRANSWER-assessment

-preventionRofRskinRbreakdownR(reassessRevery-timeRyouRgetRpt.)

-importantRsinceRwhenRaRpressureRulcerRhappensR-RWERpayRforRit,RnotRmedicare/medicaid

, HighRriskRforRskinRbreakdownR-RCORRECTRANSWER-
elderly,Robesity,RneuroRissues,RsameRasRlistRforRincreasedRriskRforRinfection



BradenRScaleR-
RCORRECTRANSWERchecksRforRriskRofRskinRbreakdown,RtheRmoreRpoints,RtheRlessRlikelyRforRskinRbre


akdown,R12RorRlessR=RhighRrisk



PressureRUlcersR-RCORRECTRANSWER-capillaryRdisplacementR->RlackRofRbloodRflowR=RlackRofRO2R-
>RischemiaR->Rnecrosis



FactorsRforRPressureRUlcersR-RCORRECTRANSWER-
intensity:RintenseRpressureRorRlightRpressureRoverRaRlongRtime

-duration

-tolerance:RhowRstrongRisRskin,Rhealth,Rmalnourished?



StageRIRPressureRUlcerR-RCORRECTRANSWER-non-blanchableRerythema



StageRIIRPressureRUlcerR-RCORRECTRANSWER-partialRthicknessRlossRofRdermis

-shallowRopenRulcerRwithRredRpinkRwoundRbed

-openRorRintactRblister



StageRIIIRPressureRUlcerR-RCORRECTRANSWER-fullRthicknessRskinRloss

-subcutaneousRfatRmayRbeRvisible

-tunnelingRorRundermining



StageRIVRPressureRUlcerR-RCORRECTRANSWER-fullRthicknessRtissueRloss