Exam (elaborations)
NR509 WEEK 4 QUESTIONS & ANSWERS.
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NR509 WEEK 4 QUESTIONS & ANSWERS.
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NR509 WEEK 4 QUESTIONS &ANSWERS
TheZsacZthatZsurroundsZandZprotectsZtheZheartZisZcalledZthe:
a.ZPericardium.
b.ZMyocardium.
c.ZEndocardium.
d.ZPleuralZspace.Z-ZcorrectZanswer-a.ZPericardium.
TheZdirectionZofZbloodZflowZthroughZtheZheartZisZbestZdescribedZbyZwhichZofZthese?
a.ZVenaZcavaZ-ZrightZatriumZ-ZrightZventricleZ-ZlungsZ-ZpulmonaryZarteryZ-ZleftZatriumZ-ZleftZventricle
b.ZRightZatriumZ-ZrightZventricleZ-ZpulmonaryZarteryZ-ZlungsZ-ZpulmonaryZveinZ-ZleftZatriumZ-ZleftZventricle
c.ZAortaZ-ZrightZatriumZ-ZrightZventricleZ-ZlungsZ-ZpulmonaryZveinZ-ZleftZatriumZ-ZleftZventricleZ-ZvenaZcava
d.ZRightZatriumZ-ZrightZventricleZ-ZpulmonaryZveinZ-ZlungsZ-ZpulmonaryZarteryZ-ZleftZatriumZ-ZleftZventricleZ-
ZcorrectZanswer-b.ZRightZatriumZ-ZrightZventricleZ-ZpulmonaryZarteryZ-ZlungsZ-ZpulmonaryZveinZ-ZleftZatriumZ-
ZleftZventricle
TheZnurseZisZreviewingZtheZanatomyZandZphysiologicZfunctioningZofZtheZheart.ZWhichZstatementZbestZdescr
ibesZwhatZisZmeantZbyZatrialZkick?
a.ZTheZatriaZcontractZduringZsystoleZandZattemptZtoZpushZagainstZclosedZvalves.
b.ZContractionZofZtheZatriaZatZtheZbeginningZofZdiastoleZcanZbeZfeltZasZaZpalpitation.
c...ZAtrialZkickZisZtheZpressureZexertedZagainstZtheZatriaZasZtheZventriclesZcontractZduringZsystole.
d.ZTheZatriaZcontractZtowardZtheZendZofZdiastoleZandZpushZtheZremainingZbloodZintoZtheZventricles.Z-
ZcorrectZanswer-
d.ZTheZatriaZcontractZtowardZtheZendZofZdiastoleZandZpushZtheZremainingZbloodZintoZtheZventricles.
WhenZlisteningZtoZheartZsounds,ZtheZnurseZknowsZtheZvalveZclosuresZthatZcanZbeZheardZbestZatZtheZbaseZofZ
theZheartZare:
a.ZMitralZandZtricuspid.
b.ZTricuspidZandZaortic.
c.ZAorticZandZpulmonic.
,d.ZMitralZandZpulmonic.Z-ZcorrectZanswer-c.ZAorticZandZpulmonic.
WhichZofZtheseZstatementsZdescribesZtheZclosureZofZtheZvalvesZinZaZnormalZcardiacZcycle?
a.ZTheZaorticZvalveZclosesZslightlyZbeforeZtheZtricuspidZvalve.
b.ZTheZpulmonicZvalveZclosesZslightlyZbeforeZtheZaorticZvalve.
c.ZTheZtricuspidZvalveZclosesZslightlyZlaterZthanZtheZmitralZvalve.
d.ZBothZtheZtricuspidZandZpulmonicZvalvesZcloseZatZtheZsameZtime.Z-ZcorrectZanswer-
c.ZTheZtricuspidZvalveZclosesZslightlyZlaterZthanZtheZmitralZvalve.
TheZcomponentZofZtheZconductionZsystemZreferredZtoZasZtheZpacemakerZofZtheZheartZisZthe:
a.ZAtrioventricularZ(AV)Znode.
b.ZSinoatrialZ(SA)Znode.
c.ZBundleZofZHis.
d.ZBundleZbranches.Z-ZcorrectZanswer-b.ZSinoatrialZ(SA)Znode.
TheZelectricalZstimulusZofZtheZcardiacZcycleZfollowsZwhichZsequence?
a.ZAVZnodeZ-ZSAZnodeZ-ZbundleZofZHis
b.ZBundleZofZHisZ-ZAVZnodeZ-ZSAZnode
c.ZSAZnodeZ-ZAVZnodeZ-ZbundleZofZHisZ-ZbundleZbranches
d.ZAVZnodeZ-ZSAZnodeZ-ZbundleZofZHisZ-ZbundleZbranchesZ-ZcorrectZanswer-d.ZAVZnodeZ-ZSAZnodeZ-
ZbundleZofZHisZ-ZbundleZbranches
TheZfindingsZfromZanZassessmentZofZaZ70-year-
oldZpatientZwithZswellingZinZhisZanklesZincludeZjugularZvenousZpulsationsZ5ZcmZaboveZtheZsternalZangleZwhe
nZtheZheadZofZhisZbedZisZelevatedZ45Zdegrees.ZTheZnurseZknowsZthatZthisZfindingZindicates:
a.ZDecreasedZfluidZvolume.
b...ZIncreasedZcardiacZoutput.
c.ZNarrowingZofZjugularZveins.
d.ZElevatedZpressureZrelatedZtoZheartZfailure.Z-ZcorrectZanswer-
d.ZElevatedZpressureZrelatedZtoZheartZfailure.
, WhenZassessingZaZnewbornZinfantZwhoZisZ5ZminutesZold,ZtheZnurseZknowsZwhichZofZtheseZstatementsZtoZbe
Ztrue?
a.ZTheZleftZventricleZisZlargerZandZweighsZmoreZthanZtheZrightZventricle.
b.ZTheZcirculationZofZaZnewbornZisZidenticalZtoZthatZofZanZadult.
c.ZBloodZcanZflowZintoZtheZleftZsideZofZtheZheartZthroughZanZopeningZinZtheZatrialZseptum.
d...ZTheZforamenZovaleZclosesZjustZminutesZbeforeZbirth,ZandZtheZductusZarteriosusZclosesZimmediatelyZafte
r.Z-ZcorrectZanswer-
c.ZBloodZcanZflowZintoZtheZleftZsideZofZtheZheartZthroughZanZopeningZinZtheZatrialZseptum.
AZ25-year-
oldZwomanZinZherZfifthZmonthZofZpregnancyZhasZaZbloodZpressureZofZ100/70ZmmZHg.ZInZreviewingZherZprevi
ousZexamination,ZtheZnurseZnotesZthatZherZbloodZpressureZinZherZsecondZmonthZwasZ124/80ZmmZHg.ZInZev
aluatingZthisZchange,ZwhatZdoesZtheZnurseZknowZtoZbeZtrue?
a.ZThisZdeclineZinZbloodZpressureZisZtheZresultZofZperipheralZvasodilatationZandZisZanZexpectedZchange.
b.ZBecauseZofZincreasedZcardiacZoutput,ZtheZbloodZpressureZshouldZbeZhigherZatZthisZtime.
c.ZThisZchangeZinZbloodZpressureZisZnotZanZexpectedZfindingZbecauseZitZmeansZaZdecreaseZinZcardiacZoutput
.
d.ZThisZdeclineZinZbloodZpressureZmeansZaZdecreaseZinZcirculatingZbloodZvolume,ZwhichZisZdangerousZforZth
eZfetus.Z-ZcorrectZanswer-
a.ZThisZdeclineZinZbloodZpressureZisZtheZresultZofZperipheralZvasodilatationZandZisZanZexpectedZchange.
InZassessingZaZ70-year-
oldZman,ZtheZnurseZfindsZtheZfollowing:ZbloodZpressureZ140/100ZmmZHg;ZheartZrateZ104ZbeatsZperZminuteZ
andZslightlyZirregular;ZandZtheZsplitZS2ZheartZsound.ZWhichZofZtheseZfindingsZcanZbeZexplainedZbyZexpectedZ
hemodynamicZchangesZrelatedZtoZage?
a.ZIncreaseZinZrestingZheartZrate
b.ZIncreaseZinZsystolicZbloodZpressure
c.ZDecreaseZinZdiastolicZbloodZpressure
d...ZIncreaseZinZdiastolicZbloodZpressureZ-ZcorrectZanswer-b.ZIncreaseZinZsystolicZbloodZpressure
AZ45-year-
oldZmanZisZinZtheZclinicZforZaZroutineZphysicalZexamination.ZDuringZtheZrecordingZofZhisZhealthZhistory,ZtheZp
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