NSC 260 FINAL EXAM QUESTIONS AND
ANSWERS WITH SOLUTIONS 2025
Metabolicksyndromek(MS)kiskdefinedkbykthekclusteringkofkspecifickmetabolickdisorderskinkoneksubject.kMSkis
khighlykprevalentkgloballykandkiskcurrentlykconsideredkakgrowingkpublickhealthkconcern.kMSkcompriseskobes
ity,khypertension,kdyslipidemia,kandkinsulinkresistance.kMechanismsklinkingkMSkwithkcancerkarekpoorlykund
erstood,kandkitkiskaskyetkunknownkifkMSkconferskakgreaterkriskkthankthekriskkentailedkbykeachkofkitskseparatek
components.kThekmainkobjectivekofkthiskstudykisktokcomparekthekassociationkbetweenkMSkandk14ksite-
specifickcancerkagainstkthekassociationkbetweenkonekorktwokindividualkcomponentskofkMSkandkcancer.kThek
secondarykobjectivekisktokevaluatekthektimekelapsedksincekthekdiagnosiskofkMSkandktheksubsequentkonsetko
fkcancerkwithinkthek2006-
2017kperiodkbyksex.kAkstudykwillkbekconductedkforkthekmainkobjective,kandkakcohortkofkpatientskwithkMSkwil
lkbekfollowedkforkthekevaluationkofktheksecondkobjective.kIncidentkck-kcorrectkanswer-StudykProtocol
Youkarekreadingkaboutkakclinicalkweightklosskstudykwherekthekparticipantskinkthekexperimentalkgroupklostk2.
3kpoundskafterk6kmonthskofkintervention(p=.04).kWhatkiskankappropriatekreactionktokthesekresults?•k
Thatkalthoughkthekresultskarekstatisticallyksignificant,ktheykareknotkclinicallysignificant•k
Thatkalthoughkthekresultskarekclinicallyksignificant,ktheykareknotkstatisticallysignificant•k
Thatkthekresultskarekstatisticallyksignificant,ksokthiskinterventionkshouldkbekwidelykimplementedktokdecreas
ekobesitykrates•k
Thatkthiskiskaknullkstudykbecausekthekresultskarekneitherkstatisticallyknorkclinicallyksignificantk-
kcorrectkanswer-Thatkalthoughkthekresultskarekstatisticallyksignificant,ktheykareknotkclinicallyksignificant•
Whichkofkthekfollowingkrepresentskankin-textkcitationkinkAMAkstyle?•k
Curcuminkiskthekmajorkbioactivekcompoundkinkturmerick(1).•k
Curcuminkiskthekmajorkbioactivekcompoundkinkturmerick(Sanchez,ketkal.).•
Curcuminkiskthekmajorkbioactivekcompoundkinkturmeric1.•k(superscript)
k
Curcuminkiskthekmajorkbioactivekcompoundkinkturmeric.1k(subscript)k-kcorrectkanswer-
Curcuminkiskthekmajorkbioactivekcompoundkinkturmeric1.•k(superscript)
Iskthekabstractkbelowkandkexamplekofkprimarykorksecondarykresearch?kIfksecondary,kexplainkhowkyoukknowk
this.kIfkprimary,kwhatkiskthekresearchkdesign?kExplainkwhykyoukidentifiedkthatkparticularkresearchkdesign.•kR
-(+)-limonenek(d-
limonene)kiskakcommonlykusedkflavorkadditivekinkfood,kbeverageskandkfragranceskforkitskpleasantklemon-
, likekodor.kConsideringkitskincreasingkapplications,kit'sknecessaryktokunderstandkthektoxicologicalkeffectskand
kriskkassociatedkwithkitskuse.kR-(+)-
limonenekiskrapidlykabsorbedkinkexperimentalkanimalskandkhumankbeingskfollowingkoralkadministration.kInk
humans,kitkgetskdistributedktokliver,kkidney,kandkblood,kresultingkinkthekformationkofkmetabolitesklikekperilli
ckacid,kdihydroperillickacid,klimonene-1,8-diol,kandklimonene-
1,2kdiol.kImportantktoxickeffectskprimarilykreportedkinkrodentskarekseverekhyalinekdropletknephrotoxicityk(o
nlykinkmalekratskduektokspecifickproteinkα2u-globulin;khowever,kthik-kcorrectkanswer-LiteraturekReview
Iskthekabstractkbelowkankexamplekofkprimarykorksecondarykresearch?kIfksecondary,kexplainkhowkyoukknowkt
his.kIfkprimary,kwhatkiskthekresearchkdesign?kExplainkwhykyoukidentifiedkthatkparticularkresearchkdesign.•kT
hekaimkofkthiskstudykwasktokexplorekthekassociationkbetweenkMSkandkvitaminkDklevels,kaskwellkaskEpstein-
Barrvirusk(EBV)kseropositivitykandksmokingkhistorykinkakColombiankpopulation.kWekmeasuredkvitaminkDklev
elskandkantibodyktiterskandkadministeredkakquestionnairektokassesskdietarykhabits,ksmoking,ksecond-
handksmokingkandkdurationkofksmoking,ksunlightkexposure,kphysicalkactivity,kandkpersonalkandkfamilykhisto
rykinkindividualskwithkandkwithoutkmultipleksclerosiskduringkadolescence.kAkmultivariableklogistickregressio
nkmodelkwaskthenkperformedktokexplorekthekassociationkbetweenkvitaminkDkstatuskandkMS.kAktotalkofk87kin
dividualskwithkMS(meankagek40.9kyears;k65.52%kfemales)kandk87kwithoutkMSk(meankagek55kyears;k65.5k-
kcorrectkanswer-Case-Control
Mikaylakiskakgraduatekstudentkinknutritionalksciences.kShekhadkpreviouslykbeenworkingkonkankanimalkexperi
mentkinvestigatingkthekeffectskofklargekdosekcapsaicinsupplementation.kHowever,kherkresearchkwaskhaltedk
duektokCOVID-
19kandkshekhadktoworkkonkaknewkprojectkwithkherkmentor.kTheykhavekdecidedktoksearchkforkallkclinicaltrialsk
thatklookkintokcapsaicinksupplementationkandkweightkloss.kOncektheykhavecollectedkallkthekpertinentkarticl
es,ktheykwillkcompilekthekinformationkintokaknarrativethatkdescribeskthekfieldkupktokthiskpointkinktime.kBeca
usekthiskwillkbekpartkofkMikayla'sthesiskwork,kherkmentorkiskalsokaskingkherktokrunknewkstatisticalkanalysesko
nkthepooledkdatakfromkthekarticlesktheykselected.kRegardlesskofkwhatktheykfind,kMikaylaandkherkmentorkpl
anktokpublishkthiskarticle.•kCankthiskbekdescribedkasksecondarykresearch?kWhykorkwhyknot?•k
Cankthiskbekdescribedkaskakreview?kWhykorkwhyknot?•kCankthiskbekdescribedkaskakmk-kcorrectkanswer-
Yes,kYes,kYes
Whenkputtingktogetherkakreferenceklistkatkthekendkofkakpaper,khowkdokyoukdecidekthekorder?•k
Bykappearancekinkthekpaper:kthekfirstkstudykcitedkisklistedkfirst,kandksokon•k
Alphabeticallykbykthektitlekofkthekarticle•
Alphabeticallykbykfirstkauthorklastkname•k
k
Bykdatekofkpublication,kstartingkwithkthekoldestk-kcorrectkanswer-
Bykappearancekinkthekpaper:kthekfirstkstudykcitedkisklistedkfirst,kandksokon•
ANSWERS WITH SOLUTIONS 2025
Metabolicksyndromek(MS)kiskdefinedkbykthekclusteringkofkspecifickmetabolickdisorderskinkoneksubject.kMSkis
khighlykprevalentkgloballykandkiskcurrentlykconsideredkakgrowingkpublickhealthkconcern.kMSkcompriseskobes
ity,khypertension,kdyslipidemia,kandkinsulinkresistance.kMechanismsklinkingkMSkwithkcancerkarekpoorlykund
erstood,kandkitkiskaskyetkunknownkifkMSkconferskakgreaterkriskkthankthekriskkentailedkbykeachkofkitskseparatek
components.kThekmainkobjectivekofkthiskstudykisktokcomparekthekassociationkbetweenkMSkandk14ksite-
specifickcancerkagainstkthekassociationkbetweenkonekorktwokindividualkcomponentskofkMSkandkcancer.kThek
secondarykobjectivekisktokevaluatekthektimekelapsedksincekthekdiagnosiskofkMSkandktheksubsequentkonsetko
fkcancerkwithinkthek2006-
2017kperiodkbyksex.kAkstudykwillkbekconductedkforkthekmainkobjective,kandkakcohortkofkpatientskwithkMSkwil
lkbekfollowedkforkthekevaluationkofktheksecondkobjective.kIncidentkck-kcorrectkanswer-StudykProtocol
Youkarekreadingkaboutkakclinicalkweightklosskstudykwherekthekparticipantskinkthekexperimentalkgroupklostk2.
3kpoundskafterk6kmonthskofkintervention(p=.04).kWhatkiskankappropriatekreactionktokthesekresults?•k
Thatkalthoughkthekresultskarekstatisticallyksignificant,ktheykareknotkclinicallysignificant•k
Thatkalthoughkthekresultskarekclinicallyksignificant,ktheykareknotkstatisticallysignificant•k
Thatkthekresultskarekstatisticallyksignificant,ksokthiskinterventionkshouldkbekwidelykimplementedktokdecreas
ekobesitykrates•k
Thatkthiskiskaknullkstudykbecausekthekresultskarekneitherkstatisticallyknorkclinicallyksignificantk-
kcorrectkanswer-Thatkalthoughkthekresultskarekstatisticallyksignificant,ktheykareknotkclinicallyksignificant•
Whichkofkthekfollowingkrepresentskankin-textkcitationkinkAMAkstyle?•k
Curcuminkiskthekmajorkbioactivekcompoundkinkturmerick(1).•k
Curcuminkiskthekmajorkbioactivekcompoundkinkturmerick(Sanchez,ketkal.).•
Curcuminkiskthekmajorkbioactivekcompoundkinkturmeric1.•k(superscript)
k
Curcuminkiskthekmajorkbioactivekcompoundkinkturmeric.1k(subscript)k-kcorrectkanswer-
Curcuminkiskthekmajorkbioactivekcompoundkinkturmeric1.•k(superscript)
Iskthekabstractkbelowkandkexamplekofkprimarykorksecondarykresearch?kIfksecondary,kexplainkhowkyoukknowk
this.kIfkprimary,kwhatkiskthekresearchkdesign?kExplainkwhykyoukidentifiedkthatkparticularkresearchkdesign.•kR
-(+)-limonenek(d-
limonene)kiskakcommonlykusedkflavorkadditivekinkfood,kbeverageskandkfragranceskforkitskpleasantklemon-
, likekodor.kConsideringkitskincreasingkapplications,kit'sknecessaryktokunderstandkthektoxicologicalkeffectskand
kriskkassociatedkwithkitskuse.kR-(+)-
limonenekiskrapidlykabsorbedkinkexperimentalkanimalskandkhumankbeingskfollowingkoralkadministration.kInk
humans,kitkgetskdistributedktokliver,kkidney,kandkblood,kresultingkinkthekformationkofkmetabolitesklikekperilli
ckacid,kdihydroperillickacid,klimonene-1,8-diol,kandklimonene-
1,2kdiol.kImportantktoxickeffectskprimarilykreportedkinkrodentskarekseverekhyalinekdropletknephrotoxicityk(o
nlykinkmalekratskduektokspecifickproteinkα2u-globulin;khowever,kthik-kcorrectkanswer-LiteraturekReview
Iskthekabstractkbelowkankexamplekofkprimarykorksecondarykresearch?kIfksecondary,kexplainkhowkyoukknowkt
his.kIfkprimary,kwhatkiskthekresearchkdesign?kExplainkwhykyoukidentifiedkthatkparticularkresearchkdesign.•kT
hekaimkofkthiskstudykwasktokexplorekthekassociationkbetweenkMSkandkvitaminkDklevels,kaskwellkaskEpstein-
Barrvirusk(EBV)kseropositivitykandksmokingkhistorykinkakColombiankpopulation.kWekmeasuredkvitaminkDklev
elskandkantibodyktiterskandkadministeredkakquestionnairektokassesskdietarykhabits,ksmoking,ksecond-
handksmokingkandkdurationkofksmoking,ksunlightkexposure,kphysicalkactivity,kandkpersonalkandkfamilykhisto
rykinkindividualskwithkandkwithoutkmultipleksclerosiskduringkadolescence.kAkmultivariableklogistickregressio
nkmodelkwaskthenkperformedktokexplorekthekassociationkbetweenkvitaminkDkstatuskandkMS.kAktotalkofk87kin
dividualskwithkMS(meankagek40.9kyears;k65.52%kfemales)kandk87kwithoutkMSk(meankagek55kyears;k65.5k-
kcorrectkanswer-Case-Control
Mikaylakiskakgraduatekstudentkinknutritionalksciences.kShekhadkpreviouslykbeenworkingkonkankanimalkexperi
mentkinvestigatingkthekeffectskofklargekdosekcapsaicinsupplementation.kHowever,kherkresearchkwaskhaltedk
duektokCOVID-
19kandkshekhadktoworkkonkaknewkprojectkwithkherkmentor.kTheykhavekdecidedktoksearchkforkallkclinicaltrialsk
thatklookkintokcapsaicinksupplementationkandkweightkloss.kOncektheykhavecollectedkallkthekpertinentkarticl
es,ktheykwillkcompilekthekinformationkintokaknarrativethatkdescribeskthekfieldkupktokthiskpointkinktime.kBeca
usekthiskwillkbekpartkofkMikayla'sthesiskwork,kherkmentorkiskalsokaskingkherktokrunknewkstatisticalkanalysesko
nkthepooledkdatakfromkthekarticlesktheykselected.kRegardlesskofkwhatktheykfind,kMikaylaandkherkmentorkpl
anktokpublishkthiskarticle.•kCankthiskbekdescribedkasksecondarykresearch?kWhykorkwhyknot?•k
Cankthiskbekdescribedkaskakreview?kWhykorkwhyknot?•kCankthiskbekdescribedkaskakmk-kcorrectkanswer-
Yes,kYes,kYes
Whenkputtingktogetherkakreferenceklistkatkthekendkofkakpaper,khowkdokyoukdecidekthekorder?•k
Bykappearancekinkthekpaper:kthekfirstkstudykcitedkisklistedkfirst,kandksokon•k
Alphabeticallykbykthektitlekofkthekarticle•
Alphabeticallykbykfirstkauthorklastkname•k
k
Bykdatekofkpublication,kstartingkwithkthekoldestk-kcorrectkanswer-
Bykappearancekinkthekpaper:kthekfirstkstudykcitedkisklistedkfirst,kandksokon•