WALDEN UNIVERSITY QUESTIONS AND
VERIFIED ANSWERS
A vrunner vhas vdepleted vall vthe voxygen vavailable vfor vmuscle venergy. vWhich vof vthe
vfollowing vwill vfacilitate vhis vcontinued vmuscle vperformance? v- vAnswer: vAnaerobic
vglycolysis
What vcauses vthe vrapid vchange vin vthe vresting vmembrane vpotential vthat vinitiates van
vaction vpotential? v- vAnswer: vSodium vgates vopen, vand vsodium vrushes vinto vthe vcell,
vchanging vthe vmembrane vpotential vfrom vnegative vto vpositive.
A v12-year-old vmale vis vdiagnosed vwith vKlinefelter vsyndrome. vHis vkaryotype vwould
vreveal vwhich vof vthe vfollowing? v- vAnswer: vXXY
A vnurse vis vreviewing vthe vpedigree vchart. vWhen vchecking vfor va vproband, vwhat vis
vthe vnurse vlooking vfor? v- vAnswer: vThe vperson vwho vis vfirst vdiagnosed vwith va
vgenetic vdisease
An vaide vasks vthe vnurse vwhy vpeople vwho vhave vneurofibromatosis vwill vshow
vvarying vdegrees vof vthe vdisease. vWhich vgenetic vprinciple vshould vthe vnurse vexplain
vto vthe vaide? v- vAnswer: vExpressivity
In vteaching va vpatient vwith vcirrhosis, vwhich vinformation vshould vthe vnurse vinclude
vregarding vcholesterol? v- vAnswer: vCholesterol vdecreases vthe vmembrane vfluidity vof
vthe verythrocyte, vwhich vreduces vits vability vto vcarry voxygen.
When va vpatient vasks vwhat vcauses vcystic vfibrosis, vhow vshould vthe vnurse vrespond?
vCystic vfibrosis vis vcaused vby van v_____ vgene v- vAnswer: vAutosomal vrecessive
How vare vpotassium vand vsodium vtransported vacross vplasma vmembranes? v-
vAnswer: vBy vadenosine vtriphosphate venzyme v(ATPase)
The vnurse vwould vbe vcorrect vin videntifying vthe vpredominant vextracellular vcation vas:
v- vAnswer: vSodium
The vearly vdilation v(swelling) vof vthe vcell's vendoplasmic vreticulum vresults vin: v-
vAnswer: vReduced vprotein vsynthesis
What vprinciple vshould vthe vnurse vremember vwhen vtrying vto vdistinguish vaging vfrom
vdiseases? v- vAnswer: vIt vis vdifficult vto vtell vthe vdifference vbecause vboth vprocesses
vare vbelieved vto vresult vfrom vcell vinjury.
What vis vthe vdiagnosis vof va v13-year-old vfemale vwho vhas va vkaryotype vthat vreveals
van vabsent vhomologous vX vchromosome vwith vonly va vsingle vX vchromosome
, vpresent? vHer vfeatures vinclude va vshort vstature, vwidely vspaced vnipples, vreduced
vcarrying vangle vat vthe velbow, vand vsparse vbody vhair. v- vAnswer: vTurner vsyndrome
A veukaryotic vcell vis vundergoing vDNA vreplication. vIn vwhich vregion vof vthe vcell vwould
vmost vof vthe vgenetic vinformation vbe vcontained? v- vAnswer: vNucleolus
The vnurse vis vteaching vstaff vabout vthe vmost vcommon vcause vof vDown vsyndrome.
vWhat vis vthe vnurse vdescribing? v- vAnswer: vMaternal vnondisjunction
A v50-year-old vmale vwas vrecently vdiagnosed vwith vHuntington vdisease. vTransmission
vof vthis vdisease vis vassociated vwith: v- vAnswer: vDelayed vage vof vonset
A vpatient vwants vto vknow vthe vrisk vfactors vfor vDown vsyndrome. vWhat vis vthe vnurse's
vbest vresponse? v- vAnswer: vPregnancy vin vwomen vover vage v35
What vis vthe vrole vof vcytokines vin vcell vreproduction? v- vAnswer: vProvide vgrowth
vfactor vfor vtissue vgrowth vand vdevelopment
A vnewborn vmale vis vdiagnosed vwith valbinism vbased von vskin, veye, vand vhair
vappearance. vWhich vfinding vwill vsupport vthis vdiagnosis? v- vAnswer: vInability vto
vconvert vtyrosine vto vDOPA v(3,4 vdihydroxyphenylalanine)
Sodium vand vwater vaccumulation vin van vinjured vcell vare va vdirect vresult vof: v-
vAnswer: vDecreased vATP vproduction
A vnurse vis vreading va vchart vand vsees vthe vterm voncotic vpressure. vThe vnurse vrecalls
vthat voncotic vpressure v(colloid vosmotic vpressure) vis vdetermined vby: v- vAnswer:
vPlasma vproteins
The vion vtransporter vthat vmoves vNa v+ vand vCa v2+ vsimultaneously vin vthe vsame
vdirection vis van vexample vof vwhich vof vthe vfollowing vtypes vof vtransport? v- vAnswer:
vSymport
A v20-year-old vpregnant vfemale vgives vbirth vto va vstillborn vchild. vAutopsy vreveals vthat
vthe vfetus vhas v92 vchromosomes. vWhat vterm vmay vbe von vthe vautopsy vreport vto
vdescribe vthis vcondition? v- vAnswer: vTetraploidy
Why vis vpotassium vable vto vdiffuse veasily vin vand vout vof vcells? v- vAnswer: vBecause
vthe vresting vplasma vmembrane vis vmore vpermeable vto vpotassium
Hypothyroidism v- vA vdisorder vcaused vby va vthyroid vgland vthat vis vslower vand vless
vproductive vthan vnormal, vdoes vnot vproduce venough vT3 vand vT4
T3, vT4, vTSH v- vDiagnosing vhypo/hyperthyroidism vT3/T4 v= vthyroid. vTSH v= vPituitary.
T3/T4 vabnormality v= vproblem vwith vTHYROID.