Edition Questions And Correct
Answers
1. mThe mnurse mis mteaching ma mcouple mabout mthe mpros mand mcons mof mgenetic mtesting. mWhich
mstatement mby
the mnurse mbest mdescribes mthe mlimits mof mgenetic mtesting?
A. m"Various mgenetic mtests mhelp mthe mprimary mcare mprovider mchoose mappropriate mtreatments."
B. m"Genetic mtesting mhelps mcouples mavoid mhaving mchildren mwith mfatal mdiseases."
C. m"Genetic mtests midentify mpeople mat mhigh mrisk mfor mpreventable mconditions."
D. m"Some mgenetic mtests mcan mgive ma mprobability mfor mdeveloping ma mdisorder." m- mAnswer m-
mAnswer: mD
Rationale: mThe mfact mthat msome mtests monly mprovide ma mprobability mfor mdeveloping ma mdisorder
mraises ma
problem. mA mserious mlimitation mof mthese msusceptibility mtests mis mthat msome mpeople mwho mcarry
ma
disease-associated mmutation mnever mdevelop mthe mdisease. mChoosing mappropriate mtreatments,
avoiding mhaving mchildren mwith mfatal mdiseases, mand midentifying mthose mat mhigh mrisk maffirm mthe
mvalue mof
genetic mtests.
. mThe mnurse mis mcounseling ma mcouple mwho msuspect mthat mthey mcould mbear ma mchild mwith ma
mgenetic
abnormality. mWhat mwould mbe mmost mimportant mfor mthe mnurse mto mdo mwhen mworking mwith
mthis mfamily?
A. mGather minformation mfor mthree mgenerations.
B. mInform mthe mfamily mof mthe mneed mfor minformation.
C. mMaintain mthe mconfidentiality mof mthe minformation.
D. mPresent mthe minformation min ma mfactual, mnondirective mmanner. m- mAnswer m- mAnswer: mD
,Rationale: mIt mis messential mto mrespect mclient mautonomy mand mpresent minformation min ma
mfactual,
nondirective mmanner. mIn mthese msituations, mthe mnurse mneeds mto munderstand mthat mthe mchoice
mis mthe
couple's mto mmake. mGathering minformation mfor mthree mgenerations mobtains ma mbroad moverview
mof mwhat
has mbeen mseen min mboth msides mof mthe mfamily. mMaintaining mconfidentiality mof mthe minformation
mis mas
important mas mwith many mother mclient minformation mgathered. mInforming mthe mfamily mof mthe
mneed mfor
information mis mnecessary mbecause mof mits mpersonal mnature.
3. mThe mnurse mis mteaching ma mcouple mabout mX-linked mdisorders mbecause mthey mare mconcerned
mthat mthey
might mpass mon mhemophilia mto mtheir mchildren. mWhich mresponse mindicates mthe mneed mfor
mfurther
teaching?
A. m"The mfather mcan't mbe ma mcarrier mif mhe mdoesn't mhave mhemophilia."
B. m"If mthe mfather mdoesn't mhave mit, mthen mhis mkids mwon't meither."
C. m"If mthe mmother mis ma mcarrier, mher mdaughter mcould mbe mone mtoo."
D. m"If mthe mmother mis ma mcarrier, mher msons mwill mhave mhemophilia." m- mAnswer m- mAnswer: mB
Rationale: mMales mare mmore maffected mthan mfemales. mA mmale mhas monly mone mX mchromosome,
mand mall
the mgenes mon mhis mX mchromosome mwill mbe mexpressed mwhereas ma mfemale mwill musually mneed
mboth mX
chromosomes mto mcarry mthe mdisease. mThere mis mno mmale-to-male mtransmission m(since mno mX
chromosome mfrom mthe mmale mis mtransmitted mto mmale moffspring), mbut many mman mwho mis
maffected mwill
have mcarrier mdaughters. mIf ma mwoman mis ma mcarrier, mthere mis ma m50% mchance mthat mher msons
mwill mbe
affected mand ma m50% mchance mthat mher mdaughters mwill mbe mcarriers.
, 4. mA mpregnant mwoman mundergoes ma mtriple mscreen mat m16 mto m18 mweeks' mgestation. mWhat
mwould mthe
nurse msuspect mif mthe mwoman's mestriol mand malpha-fetoprotein mlevels mare mdecreased mwith mhigh
mhCG
levels?
A. mDown msyndrome
B. msickle-cell manemia
C. mcardiac mdefects
D. mrespiratory mdisorders m- mAnswer m- mAnswer: mA
Rationale: mDecreased mlevels mmight mindicate mDown msyndrome mor mtrisomy m18. mSickle mcell
manemia
may mbe midentified mby mchorionic mvillus msampling. mLevels mwould mbe mincreased mwith mcardiac
mdefects,
such mas mtetralogy mof mFallot. mIt mdoes mnot mdetect mrespiratory mdisorders.
5. mThe mnurse mis mconducting ma mpresentation mfor ma myoung madult mcommunity mgroup mabout
mfetal
development mand mpregnancy. mThe mnurse mdetermines mthat mthe mteaching mwas msuccessful
mwhen mthe
group midentifies mthat mthe msex mof moffspring mis mdetermined mat mwhich mtime?
A. mduring mmeiosis mcell mdivision
B. mat mfertilization
C. mwhen mthe mmorula mforms
D. mduring moogenesis m- mAnswer m- mAnswer: mB
Rationale: mSex mdetermination moccurs mat mthe mtime mof mfertilization. mMeiosis mrefers mto mcell
mdivision
resulting min mthe mformation mof man movum mor msperm mwith mhalf mthe mnumber mof mchromosomes.
mThe
morula mdevelops mafter ma mseries mof mfour mcleavages mfollowing mthe mformation mof mthe mzygote.
Oogenesis mrefers mto mthe mdevelopment mof ma mmature movum, mwhich mhas mhalf mthe mnumber mof
chromosomes.