NURS-3031 TEST 1 WITH COMPLETE QUESTIONS AND ANSWERS.
Ayfatheryandymotheryareycarriersyofyphenylketonuriay(PKU).yTheiry2-year-
oldydaughteryhasyPKU.yTheycoupleytellsytheynurseythatytheyyareyplanningytoyhaveyayse
condybaby.yBecauseytheirydaughteryhasyPKU,ytheyyareysureythatytheirynextybabyywon'
tybeyaffected.yWhatyinformationywillytheynurseyuseytoyformulateyayresponse?
a.TheyoddsyofyhavingyanotherybabyywithyPKUyareyveryyslim.
b.yEachybabyyhasyay50%ychanceyofybeingyaffected.
c.yMalesyareynotyaffectedybyyPKU.
d.yTheyparentsyareybothycarriersysoyeachybabyyhasyay25%ychanceyofybeingyaffected.y-
yCORRECTyANSWER-D
Theynurseyisyprovidingygeneticycounsellingyforyanyexpectantycoupleywhoyalreadyyhav
eyaychildywithytrisomyy18.yWhatyshouldytheynurseydo?
a.yTellytheycoupleytheyyneedytoyterminateytheypregnancyywithiny2ytoy3yweeks.
b.yExplainythatytheyfetusyhasyay50%ychanceyofyhavingytheydisorder.
c.yDiscussyoptions,yincludingyamniocentesis,ytoydetermineywhetherytheyfetusyisyaffect
ed.
d.yReferytheycoupleytoyaypsychologistyforyemotionalysupport.y-yCORRECTyANSWER-C
Theynurseyisyassessingytheyknowledgeyofynewyparentsywithyaychildybornywithymapley
syrupyurineydiseasey(MSUD).yWhichyisyaccurateyrelatedytoyMSUD?
a.yBothygenesyofyaypairymustybeyabnormalyforytheydisorderytoybeypresent.
b.yOnlyyoneycopyyofytheyabnormalygeneyisyrequiredyforytheydisorderytoybeypresent.
c.yTheydisorderyoccursyinymalesyandyheterozygousyfemales.
d.yTheydisorderyisycarriedyonytheyXychromosome.y-yCORRECTyANSWER-A
Duringyaypresentationytoyobstetricalynursesyinterestedyinygenetics,ywhatydoesytheyge
neticynurseyidentifyyasytheyprimaryyfactorytoyconsiderywithygeneticytesting?
a.yAnxietyyandyalteredyfamilyyrelationships
b.yAccessibilityyrelatedytoytheyavailabilityyofygeneticytesting
c.yHighyfalse-positiveyratesyassociatedywithygeneticytesting
d.yEthnicyandysocioeconomicydisparityyassociatedywithygeneticytestingy-
yCORRECTyANSWER-B
Ayman'sywifeyisypregnantyforytheythirdytime.yOneychildywasybornywithycysticyfibrosisy
andytheyotherychildyisyhealthy.yTheymanywondersywhatytheychanceyisythatythisychildy
willyhaveycysticyfibrosis.yWhatyisythisytypeyofytestingyknownyas?
a.yOccurrenceyrisk
,b.yRecurrenceyrisk
c.yPredictiveytesting
d.yPredispositionytestingy-yCORRECTyANSWER-B
Aycoupleyhasybeenycounselledyforygeneticyanomalies.yTheyyaskyyou,y"Whatyisykaryoty
ping?"yTheynurse'syresponseyisybasedyonywhichyinformationyrelatedytoykaryotyping?
a.yItywillyprovideytheystatusyofylungymaturity.
b.yItyisyaypredictoryofynormalyfetalydevelopment.
c.yItyidentifiesyfetalygenderyandychromosomalyinformation.
d.yItycanydetectyphysicalydeformities.y-yCORRECTyANSWER-C
Inypracticalytermsyregardingygeneticyhealthycare,ywhichyshouldytheynurseybeyawareyo
f?
a.yGeneticydisordersyequallyyaffectyallysocioeconomicybackgrounds,yraces,yandyethnic
ygroups.
b.yGeneticyhealthycareyisymoreyconcernedywithypopulationsythanyindividuals.
c.yItyisymostyimportantytoyprovideyemotionalysupportytoytheyfamilyyduringygeneticyco
unselling.
d.yTakingygeneticyhistoriesyisyonlyydoneyinylargeyuniversityyhospitalyandytertiary-
careycentres.y-yCORRECTyANSWER-C
Whatyshouldynursesybeyawareyofywithyregardytoyprenatalygeneticytesting?
a.yIntegratedyprenatalyscreeningycanydetermineyriskyofycarryingyayfetusywithyDownys
yndrome.
b.yCarrieryscreeningytestsyareyusedytoylookyforygeneymutationsyofypeopleyalreadyysho
wingysymptomsyofyaydisease.
c.yPredispositionytestingypredictsywithynearycertaintyythatysymptomsywillyappear.
d.yPresymptomaticytestingyisyusedytoypredictytheylikelihoodyofybreastycancer.y-
yCORRECTyANSWER-A
Withyregardytoytheyestimationyandyinterpretationyofytheyrecurrenceyofyrisksyforygene
ticydisorders,ywhatyshouldynursesybeyawareyof?
a.yWithyaydominantydisorder,ytheylikelihoodyofytheysecondychildyalsoyhavingytheycond
itionyisy100%.
b.yAnyautosomalyrecessiveydiseaseycarriesyayoneyinyeightyriskyofytheysecondychildyalso
yhavingytheydisorder.
,c.yDisordersyinvolvingymaternalyingestionyofydrugsycarryyayoneyinyfourychanceyofybei
ngyrepeatedyinytheysecondychild.
d.yTheyriskyfactoryremainsytheysameynoymatteryhowymanyyaffectedychildrenyareyalrea
dyyinytheyfamily.y-yCORRECTyANSWER-D
Whatyisytheytermyforyanyindividual'sygeneticymakeup?
a.yGenotype
b.yPhenotype
c.yKaryotype
d.yChromotypey-yCORRECTyANSWER-A
Whatyshouldytheynurseybeyawareyofywithyregardytoychromosomeyabnormalities?
a.yTheyyoccuryinyapproximatelyy10%yofynewborns.
b.yAbnormalitiesyofynumberyareytheyleadingycauseyofypregnancyyloss.
c.yDownysyndromeyisyayresultyofyanyabnormalychromosomeystructure.
d.yUnbalancedytranslocationyresultsyinyaymildyabnormalityythatytheychildywillyoutgro
w.y-yCORRECTyANSWER-B
Aywoman'sycousinygaveybirthytoyanyinfantywithyaycongenitalyheartyanomaly.yTheywo
manyasksytheynurseywhenysuchyanomaliesyoccuryduringydevelopment.yTheynurse'syre
sponseyisybasedyonywhichyinformation?
a.yItyisyunknownywhenysuchydefectsyoccur.
b.yTheytimingydependsyonytheycauseyofytheydefect.
c.yTheyyoccurybetweenytheythirdyandyfifthyweeksyofyfetalydevelopment.
d.yTheyymostyoftenyoccuryinytheyfirsty2yweeksyofypregnancy.y-yCORRECTyANSWER-C
Aypregnantywomanyaty25yweeks'ygestationytellsytheynurseythatysheydroppedyaypanyla
styweekyandyherybabyyjumpedyatytheynoise.yTheynurse'syresponseyisybasedyonywhichyi
nformation?
a.yBabiesycan'tyrespondytoynoiseyaty25yweeks'ygestation.
b.yAbruptynoiseycanycauseytheyauralyreflex.
c.yBabiesyrespondytoyextrauterineysoundybeginningyatyabouty24yweeksyofygestation.
d.yThisyisyanyabnormalyfindingyandyshouldybeyreportedytoytheyhealthycareyprovider.y-
yCORRECTyANSWER-C
Atyapproximatelyyhowymanyyweeksyofygestationydoesylecithinyformyonytheyalveolarys
urfaces,ytheyeyelidsyopen,yandytheyfetusymeasureyapproximatelyy27ycmycrownytoyru
mp,yandyweighyapproximatelyy1100yg?
a.y20yweeks
b.y24yweeks
c.y26yweeks
d.y28yweeksy-yCORRECTyANSWER-D
, Whereydoesymeconiumyaccumulateyasytheyfetusynearsyterm?
a.yFetalyintestines
b.yFetalykidneys
c.yAmnioticyfluid
d.yTheyplacentay-yCORRECTyANSWER-A
Aywomanyasksytheynurse,y"Whatyprotectsymyybaby'syumbilicalycordyfromybeingysqua
shedywhileytheybaby'syinsideyofyme?"yTheynurse'syresponseyisybasedyonywhichyinfor
mation?
a.yTheyumbilicalycordyisysurroundedybyyconnectiveytissueycalledyWhartonyjelly.
b.yTheyumbilicalycordyfloatsyaroundyinyblood.
c.yNothingyreallyyprotectsytheycordybutyityisyunlikelyytoybeysquashed.
d.yTheyumbilicalycordyisyaygroupyofybloodyvesselsythatyareyprotectedybyytheyplacenta.y
-yCORRECTyANSWER-A
Whatyisyresponsibleyforytheytransportationyofyoxygenyandycarbonydioxideytoyandyfro
mytheymaternalybloodstream?
a.yDeciduaybasalis
b.yBlastocyst
c.yGermylayer
d.yChorionicyvilliy-yCORRECTyANSWER-D
Aywomanywhoyisy8ymonthsypregnantyasksytheynurse,y"Doesymyybabyyhaveyanyyantibo
diesytoyfightyinfection?"yTheynurse'syresponseyisybasedyonywhichyinformation?
a.yAty8ymonthsyallyofytheyimmunoglobulinsy(Ig)yareypresent.
b.yAntibodiesyareytransferredytoytheybabyyonlyyduringybirth.
c.yBabiesydoynotyhaveyanyyantibodiesytoyfightyinfectionyuntilyafterybirth.
d.yDuringypregnancy,ybabiesyonlyyacquireyIgGyandyIgM.y-yCORRECTyANSWER-D
Theymeasurementyofylecithinyinyrelationytoysphingomyeliny(L/Syratio)yisyusedytoydet
ermineyfetalylungymaturity.yWhichyratioyreflectsymaturityyofytheylungs?
a.y1.4:1
b.y1.8:1
c.y2:1
d.y1:1y-yCORRECTyANSWER-C
Duringyanyinitialyprenatalyappointment,ytheywomanyasksytheynurseyhowyherybabyyge
tsyairywhileyinyheryuterus.yTheynurse'syresponseyisybasedyonywhichyinformation?
a.yTheybaby'sylungsyworkyinyuteroytoyexchangeyoxygenyandycarbonydioxide.
b.yTheybabyyabsorbsyoxygenyfromytheymother'sybloodysystem.
c.yTheyplacentayprovidesyoxygenytoytheybabyyandyexcretesycarbonydioxideyintoytheym
other'sybloodstream.
Ayfatheryandymotheryareycarriersyofyphenylketonuriay(PKU).yTheiry2-year-
oldydaughteryhasyPKU.yTheycoupleytellsytheynurseythatytheyyareyplanningytoyhaveyayse
condybaby.yBecauseytheirydaughteryhasyPKU,ytheyyareysureythatytheirynextybabyywon'
tybeyaffected.yWhatyinformationywillytheynurseyuseytoyformulateyayresponse?
a.TheyoddsyofyhavingyanotherybabyywithyPKUyareyveryyslim.
b.yEachybabyyhasyay50%ychanceyofybeingyaffected.
c.yMalesyareynotyaffectedybyyPKU.
d.yTheyparentsyareybothycarriersysoyeachybabyyhasyay25%ychanceyofybeingyaffected.y-
yCORRECTyANSWER-D
Theynurseyisyprovidingygeneticycounsellingyforyanyexpectantycoupleywhoyalreadyyhav
eyaychildywithytrisomyy18.yWhatyshouldytheynurseydo?
a.yTellytheycoupleytheyyneedytoyterminateytheypregnancyywithiny2ytoy3yweeks.
b.yExplainythatytheyfetusyhasyay50%ychanceyofyhavingytheydisorder.
c.yDiscussyoptions,yincludingyamniocentesis,ytoydetermineywhetherytheyfetusyisyaffect
ed.
d.yReferytheycoupleytoyaypsychologistyforyemotionalysupport.y-yCORRECTyANSWER-C
Theynurseyisyassessingytheyknowledgeyofynewyparentsywithyaychildybornywithymapley
syrupyurineydiseasey(MSUD).yWhichyisyaccurateyrelatedytoyMSUD?
a.yBothygenesyofyaypairymustybeyabnormalyforytheydisorderytoybeypresent.
b.yOnlyyoneycopyyofytheyabnormalygeneyisyrequiredyforytheydisorderytoybeypresent.
c.yTheydisorderyoccursyinymalesyandyheterozygousyfemales.
d.yTheydisorderyisycarriedyonytheyXychromosome.y-yCORRECTyANSWER-A
Duringyaypresentationytoyobstetricalynursesyinterestedyinygenetics,ywhatydoesytheyge
neticynurseyidentifyyasytheyprimaryyfactorytoyconsiderywithygeneticytesting?
a.yAnxietyyandyalteredyfamilyyrelationships
b.yAccessibilityyrelatedytoytheyavailabilityyofygeneticytesting
c.yHighyfalse-positiveyratesyassociatedywithygeneticytesting
d.yEthnicyandysocioeconomicydisparityyassociatedywithygeneticytestingy-
yCORRECTyANSWER-B
Ayman'sywifeyisypregnantyforytheythirdytime.yOneychildywasybornywithycysticyfibrosisy
andytheyotherychildyisyhealthy.yTheymanywondersywhatytheychanceyisythatythisychildy
willyhaveycysticyfibrosis.yWhatyisythisytypeyofytestingyknownyas?
a.yOccurrenceyrisk
,b.yRecurrenceyrisk
c.yPredictiveytesting
d.yPredispositionytestingy-yCORRECTyANSWER-B
Aycoupleyhasybeenycounselledyforygeneticyanomalies.yTheyyaskyyou,y"Whatyisykaryoty
ping?"yTheynurse'syresponseyisybasedyonywhichyinformationyrelatedytoykaryotyping?
a.yItywillyprovideytheystatusyofylungymaturity.
b.yItyisyaypredictoryofynormalyfetalydevelopment.
c.yItyidentifiesyfetalygenderyandychromosomalyinformation.
d.yItycanydetectyphysicalydeformities.y-yCORRECTyANSWER-C
Inypracticalytermsyregardingygeneticyhealthycare,ywhichyshouldytheynurseybeyawareyo
f?
a.yGeneticydisordersyequallyyaffectyallysocioeconomicybackgrounds,yraces,yandyethnic
ygroups.
b.yGeneticyhealthycareyisymoreyconcernedywithypopulationsythanyindividuals.
c.yItyisymostyimportantytoyprovideyemotionalysupportytoytheyfamilyyduringygeneticyco
unselling.
d.yTakingygeneticyhistoriesyisyonlyydoneyinylargeyuniversityyhospitalyandytertiary-
careycentres.y-yCORRECTyANSWER-C
Whatyshouldynursesybeyawareyofywithyregardytoyprenatalygeneticytesting?
a.yIntegratedyprenatalyscreeningycanydetermineyriskyofycarryingyayfetusywithyDownys
yndrome.
b.yCarrieryscreeningytestsyareyusedytoylookyforygeneymutationsyofypeopleyalreadyysho
wingysymptomsyofyaydisease.
c.yPredispositionytestingypredictsywithynearycertaintyythatysymptomsywillyappear.
d.yPresymptomaticytestingyisyusedytoypredictytheylikelihoodyofybreastycancer.y-
yCORRECTyANSWER-A
Withyregardytoytheyestimationyandyinterpretationyofytheyrecurrenceyofyrisksyforygene
ticydisorders,ywhatyshouldynursesybeyawareyof?
a.yWithyaydominantydisorder,ytheylikelihoodyofytheysecondychildyalsoyhavingytheycond
itionyisy100%.
b.yAnyautosomalyrecessiveydiseaseycarriesyayoneyinyeightyriskyofytheysecondychildyalso
yhavingytheydisorder.
,c.yDisordersyinvolvingymaternalyingestionyofydrugsycarryyayoneyinyfourychanceyofybei
ngyrepeatedyinytheysecondychild.
d.yTheyriskyfactoryremainsytheysameynoymatteryhowymanyyaffectedychildrenyareyalrea
dyyinytheyfamily.y-yCORRECTyANSWER-D
Whatyisytheytermyforyanyindividual'sygeneticymakeup?
a.yGenotype
b.yPhenotype
c.yKaryotype
d.yChromotypey-yCORRECTyANSWER-A
Whatyshouldytheynurseybeyawareyofywithyregardytoychromosomeyabnormalities?
a.yTheyyoccuryinyapproximatelyy10%yofynewborns.
b.yAbnormalitiesyofynumberyareytheyleadingycauseyofypregnancyyloss.
c.yDownysyndromeyisyayresultyofyanyabnormalychromosomeystructure.
d.yUnbalancedytranslocationyresultsyinyaymildyabnormalityythatytheychildywillyoutgro
w.y-yCORRECTyANSWER-B
Aywoman'sycousinygaveybirthytoyanyinfantywithyaycongenitalyheartyanomaly.yTheywo
manyasksytheynurseywhenysuchyanomaliesyoccuryduringydevelopment.yTheynurse'syre
sponseyisybasedyonywhichyinformation?
a.yItyisyunknownywhenysuchydefectsyoccur.
b.yTheytimingydependsyonytheycauseyofytheydefect.
c.yTheyyoccurybetweenytheythirdyandyfifthyweeksyofyfetalydevelopment.
d.yTheyymostyoftenyoccuryinytheyfirsty2yweeksyofypregnancy.y-yCORRECTyANSWER-C
Aypregnantywomanyaty25yweeks'ygestationytellsytheynurseythatysheydroppedyaypanyla
styweekyandyherybabyyjumpedyatytheynoise.yTheynurse'syresponseyisybasedyonywhichyi
nformation?
a.yBabiesycan'tyrespondytoynoiseyaty25yweeks'ygestation.
b.yAbruptynoiseycanycauseytheyauralyreflex.
c.yBabiesyrespondytoyextrauterineysoundybeginningyatyabouty24yweeksyofygestation.
d.yThisyisyanyabnormalyfindingyandyshouldybeyreportedytoytheyhealthycareyprovider.y-
yCORRECTyANSWER-C
Atyapproximatelyyhowymanyyweeksyofygestationydoesylecithinyformyonytheyalveolarys
urfaces,ytheyeyelidsyopen,yandytheyfetusymeasureyapproximatelyy27ycmycrownytoyru
mp,yandyweighyapproximatelyy1100yg?
a.y20yweeks
b.y24yweeks
c.y26yweeks
d.y28yweeksy-yCORRECTyANSWER-D
, Whereydoesymeconiumyaccumulateyasytheyfetusynearsyterm?
a.yFetalyintestines
b.yFetalykidneys
c.yAmnioticyfluid
d.yTheyplacentay-yCORRECTyANSWER-A
Aywomanyasksytheynurse,y"Whatyprotectsymyybaby'syumbilicalycordyfromybeingysqua
shedywhileytheybaby'syinsideyofyme?"yTheynurse'syresponseyisybasedyonywhichyinfor
mation?
a.yTheyumbilicalycordyisysurroundedybyyconnectiveytissueycalledyWhartonyjelly.
b.yTheyumbilicalycordyfloatsyaroundyinyblood.
c.yNothingyreallyyprotectsytheycordybutyityisyunlikelyytoybeysquashed.
d.yTheyumbilicalycordyisyaygroupyofybloodyvesselsythatyareyprotectedybyytheyplacenta.y
-yCORRECTyANSWER-A
Whatyisyresponsibleyforytheytransportationyofyoxygenyandycarbonydioxideytoyandyfro
mytheymaternalybloodstream?
a.yDeciduaybasalis
b.yBlastocyst
c.yGermylayer
d.yChorionicyvilliy-yCORRECTyANSWER-D
Aywomanywhoyisy8ymonthsypregnantyasksytheynurse,y"Doesymyybabyyhaveyanyyantibo
diesytoyfightyinfection?"yTheynurse'syresponseyisybasedyonywhichyinformation?
a.yAty8ymonthsyallyofytheyimmunoglobulinsy(Ig)yareypresent.
b.yAntibodiesyareytransferredytoytheybabyyonlyyduringybirth.
c.yBabiesydoynotyhaveyanyyantibodiesytoyfightyinfectionyuntilyafterybirth.
d.yDuringypregnancy,ybabiesyonlyyacquireyIgGyandyIgM.y-yCORRECTyANSWER-D
Theymeasurementyofylecithinyinyrelationytoysphingomyeliny(L/Syratio)yisyusedytoydet
ermineyfetalylungymaturity.yWhichyratioyreflectsymaturityyofytheylungs?
a.y1.4:1
b.y1.8:1
c.y2:1
d.y1:1y-yCORRECTyANSWER-C
Duringyanyinitialyprenatalyappointment,ytheywomanyasksytheynurseyhowyherybabyyge
tsyairywhileyinyheryuterus.yTheynurse'syresponseyisybasedyonywhichyinformation?
a.yTheybaby'sylungsyworkyinyuteroytoyexchangeyoxygenyandycarbonydioxide.
b.yTheybabyyabsorbsyoxygenyfromytheymother'sybloodysystem.
c.yTheyplacentayprovidesyoxygenytoytheybabyyandyexcretesycarbonydioxideyintoytheym
other'sybloodstream.
