NURS-3031 TEST 1 WITH COMPLETE QUESTIONS AND ANSWERS.

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.