Pathophysiology Chapter 29: Study
Questions and Answers 2025
TheAnurseAisAcaringAforAaApostoperativeAclientAinAtraction.AWhichAactivityAwouldAbeAmostAb
eneficialAforApreventingAatelectasisAinAthisAclient?A-AcorrectAanswers-
EncourageAtheAclientAtoAcoughAandAbreatheAdeeplyAseveralAtimesAperAhour.
AAclientAdiagnosedAwithAasthmaAisAscheduledAforAaApulmonaryAfunctionAtest.ADuringAtheAte
st,AtheAtechnicianAinstructsAtheAclientAtoAforcefullyAexhaleAairAforA1AsecondAtoAevaluate:A-
AcorrectAanswers-ForcedAexpiratoryAvolume
InAadditionAtoAbeingAtheAsiteAofAgasAexchange,AtheAlungsAalsoAperformAwhichAfunction?A-
AcorrectAanswers-SynthesizeApulmonaryAsurfactant
TheAcarbonAdioxideAcontentAinAtheAbloodAaffectsAtheAregulationAofAventilationAthroughAitsAe
ffectAonAwhatAaspectAofAtheAbrain?A-AcorrectAanswers-CerebrospinalAfluidApH
TheAnurseAisAeducatingAaAclientAsufferingAfromAadvancedAemphysemaAonAhowAtoAimprove
AexpiratoryAflowArates.AWhichAbreathingAtechniqueAwouldAtheAnurseAdescribeAasAmostAeffe
ctive?A-AcorrectAanswers-Pursed-lipAbreathing
TheAnurseAandAnursingAstudentAareAassessingAaAclientAexperiencingAshock.ATheAnurseAte
achesAtheAstudentAthatAwhichAfindingAreflectsAcompensatoryAsympatheticAstimulationAinAaA
shockAstate?A-AcorrectAanswers-decreasedAurineAoutput
WhichAfactorsAinfluenceAdiffusionAofAgasesAinAtheAlungs?ASelectAallAthatAapply.A-
AcorrectAanswers-AdministrationAofAhighAconcentrationsAofAoxygen
ADifferenceAinAtheApartialApressuresAofAtheAgasAonAeitherAsideAofAtheAmembrane
ADiffusionAcharacteristicsAofAtheAgas
ASurfaceAareaAavailableAforAdiffusion
AThicknessAofAtheAalveolar-capillaryAmembrane
ClientsAwhoAhaveAbeenAbedriddenAforAaAlongAtimeAlikelyAwillAexperience:A-
AcorrectAanswers-shallow,AquietAbreathing,AwhichAimpairsAtheAspreadingAof Asurfactant.
DyspneaAisAdefinedAasAanAuncomfortableAsensationAorAdifficultyAinAbreathingAthatAisAsubje
ctivelyAdefinedAbyAtheAclient.AWhichAdiseaseAstateAisAnotAcharacterizedAbyAdyspnea?A-
AcorrectAanswers-MultipleAsclerosis
CompletionAofAaAclient'sApulmonaryAfunctionAstudyAhasAyieldedAtheAfollowingAdata:AtidalAvo
lume,A500AmL;AinspiratoryAreserve,A3100AmL;AexpiratoryAreserve,A1200AmL;AresidualAvolu
me,A1200AmL;AfunctionalAresidualAcapacity,A2400AmL.AWhatAisAthisAclient'sAinspiratoryAcap
acity?A-AcorrectAanswers-3600AmL
-
AExplanation:AInspiratoryAcapacityAisAtheAsumAofAinspiratoryAreserveAvolumeA(IRV)AandAtid
alAvolume:A3100A+A500A=A3,600.
ClientsAwithAchronicAdiseasesAsuchAasAchronicAobstructiveApulmonaryAdiseaseA(COPD),Aw
henAgivenAoxygenAatAaAlevelAthatAincreasesAPO2AaboveA60AmmAHgA(7.98AkPa)AwouldAexp
erience:A-AcorrectAanswers-SeverelyAdepressedAventilation
TheAmostAcommonAcauseAofApulmonaryAedemaAisAleft-
sidedAheartAfailure.AWhichAexplanationAbestAdescribesAtheApathophysiologyAcausingAtheAd
Questions and Answers 2025
TheAnurseAisAcaringAforAaApostoperativeAclientAinAtraction.AWhichAactivityAwouldAbeAmostAb
eneficialAforApreventingAatelectasisAinAthisAclient?A-AcorrectAanswers-
EncourageAtheAclientAtoAcoughAandAbreatheAdeeplyAseveralAtimesAperAhour.
AAclientAdiagnosedAwithAasthmaAisAscheduledAforAaApulmonaryAfunctionAtest.ADuringAtheAte
st,AtheAtechnicianAinstructsAtheAclientAtoAforcefullyAexhaleAairAforA1AsecondAtoAevaluate:A-
AcorrectAanswers-ForcedAexpiratoryAvolume
InAadditionAtoAbeingAtheAsiteAofAgasAexchange,AtheAlungsAalsoAperformAwhichAfunction?A-
AcorrectAanswers-SynthesizeApulmonaryAsurfactant
TheAcarbonAdioxideAcontentAinAtheAbloodAaffectsAtheAregulationAofAventilationAthroughAitsAe
ffectAonAwhatAaspectAofAtheAbrain?A-AcorrectAanswers-CerebrospinalAfluidApH
TheAnurseAisAeducatingAaAclientAsufferingAfromAadvancedAemphysemaAonAhowAtoAimprove
AexpiratoryAflowArates.AWhichAbreathingAtechniqueAwouldAtheAnurseAdescribeAasAmostAeffe
ctive?A-AcorrectAanswers-Pursed-lipAbreathing
TheAnurseAandAnursingAstudentAareAassessingAaAclientAexperiencingAshock.ATheAnurseAte
achesAtheAstudentAthatAwhichAfindingAreflectsAcompensatoryAsympatheticAstimulationAinAaA
shockAstate?A-AcorrectAanswers-decreasedAurineAoutput
WhichAfactorsAinfluenceAdiffusionAofAgasesAinAtheAlungs?ASelectAallAthatAapply.A-
AcorrectAanswers-AdministrationAofAhighAconcentrationsAofAoxygen
ADifferenceAinAtheApartialApressuresAofAtheAgasAonAeitherAsideAofAtheAmembrane
ADiffusionAcharacteristicsAofAtheAgas
ASurfaceAareaAavailableAforAdiffusion
AThicknessAofAtheAalveolar-capillaryAmembrane
ClientsAwhoAhaveAbeenAbedriddenAforAaAlongAtimeAlikelyAwillAexperience:A-
AcorrectAanswers-shallow,AquietAbreathing,AwhichAimpairsAtheAspreadingAof Asurfactant.
DyspneaAisAdefinedAasAanAuncomfortableAsensationAorAdifficultyAinAbreathingAthatAisAsubje
ctivelyAdefinedAbyAtheAclient.AWhichAdiseaseAstateAisAnotAcharacterizedAbyAdyspnea?A-
AcorrectAanswers-MultipleAsclerosis
CompletionAofAaAclient'sApulmonaryAfunctionAstudyAhasAyieldedAtheAfollowingAdata:AtidalAvo
lume,A500AmL;AinspiratoryAreserve,A3100AmL;AexpiratoryAreserve,A1200AmL;AresidualAvolu
me,A1200AmL;AfunctionalAresidualAcapacity,A2400AmL.AWhatAisAthisAclient'sAinspiratoryAcap
acity?A-AcorrectAanswers-3600AmL
-
AExplanation:AInspiratoryAcapacityAisAtheAsumAofAinspiratoryAreserveAvolumeA(IRV)AandAtid
alAvolume:A3100A+A500A=A3,600.
ClientsAwithAchronicAdiseasesAsuchAasAchronicAobstructiveApulmonaryAdiseaseA(COPD),Aw
henAgivenAoxygenAatAaAlevelAthatAincreasesAPO2AaboveA60AmmAHgA(7.98AkPa)AwouldAexp
erience:A-AcorrectAanswers-SeverelyAdepressedAventilation
TheAmostAcommonAcauseAofApulmonaryAedemaAisAleft-
sidedAheartAfailure.AWhichAexplanationAbestAdescribesAtheApathophysiologyAcausingAtheAd