NBME 28 GRADE A+ COMPLETE EXAM
QUESTIONS AND 100% VERIFIED
ANSWERS (2026/2027) PASS
GUARANTEE
1
ExamCSectionC1:CItemC1CofC50
NationalCBoardCofCMedicalCExaminers'
ComprehensiveCBasicCScienceCSelf-Assessment
1.CAC25-year-
oldCmanCisCbroughtCtoCtheCemergencyCdepartmentCbecauseCofCsevereCabdominalCpain,Cnausea,Can
dCvomitingCforC1Chour.CTheCpainCoriginatesCinCtheCleftCflankCandCradiatesCtoChisCgroin.CHisCpulseCisC1
00/min,CrespirationsCareC18/min,CandCbloodCpressureCis
150/100CmmCHg.CPhysicalCexaminationCshowsCtendernessCofCtheCleftCflankCandCtheCleftClowerCqua
drantCofCtheCabdomen.CBowelCsoundsCareCmildlyChypoactive.CTestCofCtheCstoolCforCoccultCbloodCisC
negative.CWhichCofCtheCfollowingCbestCexplainsCtheseCfindings?
A)CColonCneoplasm
B)CDiverticulitis
C)CEpididymitis
D)CRenalCinfarction
E)CTorsionCofCtheCtestis
F)CUreteralCcalculusC-CCORRECTCANSWERF.
UreteralCcalculusCtypicallyCpresentsCwithCcolicky,CunilateralCflankCpainCradiatingCtoCtheCgroin,CandC
withCgrossCorCmicroscopicChematuria.CPainCmayCbeCsignificantCenoughCtoCtriggerCnausea,CasCinCthis
Ccase.CTheCcommonCtypesCofCurinaryCtractCcalculiCareCcalciumCoxalateCor
phosphate,CammoniumCmagnesiumCphosphate,CuricCacid,CandCcystine.COnCurinalysis,CredCbloodCc
ellsCwithoutCcastsCareCcommon.CFever,Cdysuria,CandCpyuriaCwouldCnotCbeCexpectedCunlessCthereCw
asCaCconcomitantCinfection.CTreatmentCforCureteralCcalculusCis
symptomaticCwithCpainCcontrolCandCnauseaCrelief.CMostCureteralCcalculiCpassCspontaneouslyCafterC
aCperiodCofCobservationCforCpatientsCwithCwell-
,controlledCpainCandCnoCsignsCofCsepsisCorCinfection.CStoneCremovalCbyCshockCwaveClithotripsyCorCe
ndoscopicCremovalCisCan
optionCforCpatientsCrequiringCemergencyCtherapy.CItCisCalsoCanCoptionCforCpatientsCwithCpersistentC
obstruction,CuncontrolledCsymptoms,CorCfailureCofCstoneCprogression.CInCgeneral,CstonesCsmallerCt
hanC5CmmCwillCpassCwithoutCoperativeCassistance.CObstructingCstonesCmay
requireCtemporaryCplacementCofCaCureteralCstentCtoCpreventChydronephrosisCandCrenalCparenchy
malCinjury.
InCORRECTCANSWERs:CA,CB,CC,CD,CandCE.
ColonCneoplasmC(ChoiceCA)CwouldCbeCunlikelyCinCanCotherwiseChealthyCyoungCpatientCwithCnoCfam
ilyChistoryCofCpolyposisCsyndromesCandCacute,Csevere,CflankCpain.CItCwouldCtypicallyCpresentCwithCi
nsidiousCweightCloss,Canemia,Cconstipation,CorCbloodCperCrectum.CIn
addition,CtestCforCstoolCforCoccultCbloodCisCnegative,CmakingCthisCdiagnosisCunlikely.
DiverticulitisC(ChoiceCB)CcanCpresentCwithCleftClowerCquadrantCabdominalCpainCandCtendernessCbu
tCwouldCbeClessCabruptCinCpresentationCandCtypicallyCpresentCwithCfever,Cdiarrhea,CandChyperactiv
eCbowelCsounds.CItCwouldCbeCunlikelyCtoCcauseCflankCpain.
EpididymitisC(ChoiceCC)CisCaCcommonCcauseCofCpainfulCscrot
2
ExamCSectionC1:CItemC2CofC50
NationalCBoardCofCMedicalCExaminers'
ComprehensiveCBasicCScienceCSelf-Assessment
2.CWhichCofCtheCfollowingCtypesCofCsensoryCinformationCisCcompromisedCbyClesionsCofCtheCstructur
eCatCsiteCXCinCtheCphotographCshown?
A)CConsciousCproprioception
B)CPainCsensation
C)CTwo-pointCdiscrimination
D)CUnconsciousCproprioception
E)CVibrationCsenseC-CCORRECTCANSWERD.
,TheCanteriorClobeCofCtheCcerebellumC(labeledCX,CpicturedCinCcross-
sectionCasCanCarborizedCbrainCareaCposteriorCtoCtheCbrainstemCandCanteriorCtoCtheCprimaryCfissureC
ofCtheCcerebellum)CmediatesCunconsciousCproprioception.CTheCanteriorClobeCofCtheCcerebellumCre
ceives
informationCfromCtheCspinocerebellarCtractCaboutCproprioception,CorCbodyCposition,CthatCisCgather
edCfromCmuscleCstretchCandCtensionCreceptorsConCtheCipsilateralCsideCofCtheCbody.CThisCpropriocep
tiveCinformationCisCtransmittedCoutsideCofCconsciousCawareness.CTheCdeep
cerebellarCnucleiCuseCthisCproprioceptiveCinformationCtoCcontrolCmotorClearning,CmovementCcour
seCchanges,CandCbalance.CDamageCtoCtheCanteriorClobeCofCtheCcerebellum,CwhichCcommonlyCoccu
rsCinCchronicCalcoholism,CmayCleadCtoCbroad-basedCgaitCataxia.
InCORRECTCANSWERs:CA,CB,CC,CandCE.
ConsciousCproprioceptionC(ChoiceCA),Ctwo-
pointCdiscriminationC(ChoiceCC),CandCvibrationCsenseC(ChoiceCE)CareCmediatedCbyCtheCdorsalCcolum
n-
medialClemniscusCpathway,CwhichCrelaysCthisCsensoryCinformationCupCtheCspinalCcordCtoCtheCthala
musCandCterminatesCinCthe
primaryCsensoryCcortexCinCtheCparietalClobe.CTheCcortexCisCaChigh-
orderCbrainCareaCinvolvedCinCseveralCconsciousCbrainCfunctions,CwhichCreflectsCthisCpathway'sCmed
iationCofCtheCconsciousC(ratherCthanCunconscious)CawarenessCofCproprioception.
PainCsensationC(ChoiceCB)CisCmediatedCbyCtheCspinothalamicCpathway.CTheCspinothalamicCpathwa
yCtransmitsCinformationCaboutCpain,Ctemperature,CandCcrudeCtouchCupCtheCspinalCcordCtoCtheCthal
amus,CterminatingCinCtheCprimaryCsensoryCcortex.
EducationalCObjective:CTheCanteriorClobeCofCtheCcerebellumCmediatesCunconsciousCproprioceptio
n,CwhereasCconsciousCproprioceptionCisCcontrolledCbyCtheCdorsalCcolumn-
medialClemniscusCpathway.CLesionsCofCtheCanteriorClobeCofCtheCcerebellumCcanCresultCinCbroad-
basedCgaitCataxia.
%3D
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3
, ExamCSectionC1:CItemC3CofC50
NationalCBoardCofCMedicalCExaminers®
ComprehensiveCBasicCScienceCSelf-Assessment
3.CMovingCtheCforearmCagainstCresistanceCfromCpalm-downCtoCpalm-
upC(supination)CpositionCrequiresCtheCuseCofCwhichCofCtheCfollowingCmuscles?
A)CBicepsCbrachii
B)CBrachialis
OC)CTriceps
D)CFlexorCcarpiCradialis
E)CPronatorCteresC-CCORRECTCANSWERA.
TheCbicepsCbrachiiCmuscleChasCtwoCmainCactions,CflexionCofCtheCelbowCjointCandCsupinationCofCtheC
forearm.CTheCbicepsCbrachiiCcontainsCtwoCproximalCheads,CwithCtheCshortCheadCattachingCtoCtheCc
oracoidCprocessCofCtheCscapulaCandCtheClongCheadCenteringCtheCshoulder
jointCandCattachingCtoCtheCsupraglenoidCtubercle.CTheCdistalCbicepsCtendonCinsertsConCtheCbicipital
CtuberosityCofCtheCproximalCradius.CBecauseCofCitsCorientationCcrossingCtheCelbowCjoint,Ccontractio
nCofCthisCmuscleCcausesCelbowCflexion.CItsCeccentricCinsertionConCthe
proximalCradiusCallowsCforCitCtoCwindCaroundCtheCradiusCduringCpronationCandCunwindCwhenCcontr
actedCfromCaroundCtheCproximalCradiusCduringCsupination.
InCORRECTCANSWERs:CB,CC,CDCandCE.
TheCbrachialisCmuscleC(ChoiceCB)CoriginatesConCtheCanteriorCsurfaceCofCtheChumerusCandCcrossesCt
heCelbowCinsertingConCtheCtuberosityCofCtheCulna.CItCdoesCnotCwrapCaroundCtheCulnaCandCtheCulnaC
doesCnotCrotate.CBecauseCofCthis,CitCdoesCnotCcontributeCtoCsupinationCor
pronation.
TheCtricepsCmuscleC(ChoiceCC)CservesCtoCextendCtheCelbowCjoint.CProximally,CitCoriginatesCfromCthe
CinfraglenoidCtubercleCofCtheCscapulaC(longChead),CjustCproximalCtoCtheCradialCgrooveC(lateralChead)
,CandCjustCdistalCtoCtheCradialCgrooveC(medialChead).CDistally,CitCinsertsCon
theColecranonCprocessCofCtheCulna.CContractionCofCthisCmuscleCextendsCtheCelbowCandCdoesCnotCc
ontributeCtoCrotation.
FlexorCcarpiCradialisC(ChoiceCD)CoriginatesConCtheCmedialCepicondyleCofCtheChumerusCandCinsertsCo
nCtheCsecondCandCthirdCmetacarpalCbones.CThisCallowsCforCflexionCofCtheCwrist.
QUESTIONS AND 100% VERIFIED
ANSWERS (2026/2027) PASS
GUARANTEE
1
ExamCSectionC1:CItemC1CofC50
NationalCBoardCofCMedicalCExaminers'
ComprehensiveCBasicCScienceCSelf-Assessment
1.CAC25-year-
oldCmanCisCbroughtCtoCtheCemergencyCdepartmentCbecauseCofCsevereCabdominalCpain,Cnausea,Can
dCvomitingCforC1Chour.CTheCpainCoriginatesCinCtheCleftCflankCandCradiatesCtoChisCgroin.CHisCpulseCisC1
00/min,CrespirationsCareC18/min,CandCbloodCpressureCis
150/100CmmCHg.CPhysicalCexaminationCshowsCtendernessCofCtheCleftCflankCandCtheCleftClowerCqua
drantCofCtheCabdomen.CBowelCsoundsCareCmildlyChypoactive.CTestCofCtheCstoolCforCoccultCbloodCisC
negative.CWhichCofCtheCfollowingCbestCexplainsCtheseCfindings?
A)CColonCneoplasm
B)CDiverticulitis
C)CEpididymitis
D)CRenalCinfarction
E)CTorsionCofCtheCtestis
F)CUreteralCcalculusC-CCORRECTCANSWERF.
UreteralCcalculusCtypicallyCpresentsCwithCcolicky,CunilateralCflankCpainCradiatingCtoCtheCgroin,CandC
withCgrossCorCmicroscopicChematuria.CPainCmayCbeCsignificantCenoughCtoCtriggerCnausea,CasCinCthis
Ccase.CTheCcommonCtypesCofCurinaryCtractCcalculiCareCcalciumCoxalateCor
phosphate,CammoniumCmagnesiumCphosphate,CuricCacid,CandCcystine.COnCurinalysis,CredCbloodCc
ellsCwithoutCcastsCareCcommon.CFever,Cdysuria,CandCpyuriaCwouldCnotCbeCexpectedCunlessCthereCw
asCaCconcomitantCinfection.CTreatmentCforCureteralCcalculusCis
symptomaticCwithCpainCcontrolCandCnauseaCrelief.CMostCureteralCcalculiCpassCspontaneouslyCafterC
aCperiodCofCobservationCforCpatientsCwithCwell-
,controlledCpainCandCnoCsignsCofCsepsisCorCinfection.CStoneCremovalCbyCshockCwaveClithotripsyCorCe
ndoscopicCremovalCisCan
optionCforCpatientsCrequiringCemergencyCtherapy.CItCisCalsoCanCoptionCforCpatientsCwithCpersistentC
obstruction,CuncontrolledCsymptoms,CorCfailureCofCstoneCprogression.CInCgeneral,CstonesCsmallerCt
hanC5CmmCwillCpassCwithoutCoperativeCassistance.CObstructingCstonesCmay
requireCtemporaryCplacementCofCaCureteralCstentCtoCpreventChydronephrosisCandCrenalCparenchy
malCinjury.
InCORRECTCANSWERs:CA,CB,CC,CD,CandCE.
ColonCneoplasmC(ChoiceCA)CwouldCbeCunlikelyCinCanCotherwiseChealthyCyoungCpatientCwithCnoCfam
ilyChistoryCofCpolyposisCsyndromesCandCacute,Csevere,CflankCpain.CItCwouldCtypicallyCpresentCwithCi
nsidiousCweightCloss,Canemia,Cconstipation,CorCbloodCperCrectum.CIn
addition,CtestCforCstoolCforCoccultCbloodCisCnegative,CmakingCthisCdiagnosisCunlikely.
DiverticulitisC(ChoiceCB)CcanCpresentCwithCleftClowerCquadrantCabdominalCpainCandCtendernessCbu
tCwouldCbeClessCabruptCinCpresentationCandCtypicallyCpresentCwithCfever,Cdiarrhea,CandChyperactiv
eCbowelCsounds.CItCwouldCbeCunlikelyCtoCcauseCflankCpain.
EpididymitisC(ChoiceCC)CisCaCcommonCcauseCofCpainfulCscrot
2
ExamCSectionC1:CItemC2CofC50
NationalCBoardCofCMedicalCExaminers'
ComprehensiveCBasicCScienceCSelf-Assessment
2.CWhichCofCtheCfollowingCtypesCofCsensoryCinformationCisCcompromisedCbyClesionsCofCtheCstructur
eCatCsiteCXCinCtheCphotographCshown?
A)CConsciousCproprioception
B)CPainCsensation
C)CTwo-pointCdiscrimination
D)CUnconsciousCproprioception
E)CVibrationCsenseC-CCORRECTCANSWERD.
,TheCanteriorClobeCofCtheCcerebellumC(labeledCX,CpicturedCinCcross-
sectionCasCanCarborizedCbrainCareaCposteriorCtoCtheCbrainstemCandCanteriorCtoCtheCprimaryCfissureC
ofCtheCcerebellum)CmediatesCunconsciousCproprioception.CTheCanteriorClobeCofCtheCcerebellumCre
ceives
informationCfromCtheCspinocerebellarCtractCaboutCproprioception,CorCbodyCposition,CthatCisCgather
edCfromCmuscleCstretchCandCtensionCreceptorsConCtheCipsilateralCsideCofCtheCbody.CThisCpropriocep
tiveCinformationCisCtransmittedCoutsideCofCconsciousCawareness.CTheCdeep
cerebellarCnucleiCuseCthisCproprioceptiveCinformationCtoCcontrolCmotorClearning,CmovementCcour
seCchanges,CandCbalance.CDamageCtoCtheCanteriorClobeCofCtheCcerebellum,CwhichCcommonlyCoccu
rsCinCchronicCalcoholism,CmayCleadCtoCbroad-basedCgaitCataxia.
InCORRECTCANSWERs:CA,CB,CC,CandCE.
ConsciousCproprioceptionC(ChoiceCA),Ctwo-
pointCdiscriminationC(ChoiceCC),CandCvibrationCsenseC(ChoiceCE)CareCmediatedCbyCtheCdorsalCcolum
n-
medialClemniscusCpathway,CwhichCrelaysCthisCsensoryCinformationCupCtheCspinalCcordCtoCtheCthala
musCandCterminatesCinCthe
primaryCsensoryCcortexCinCtheCparietalClobe.CTheCcortexCisCaChigh-
orderCbrainCareaCinvolvedCinCseveralCconsciousCbrainCfunctions,CwhichCreflectsCthisCpathway'sCmed
iationCofCtheCconsciousC(ratherCthanCunconscious)CawarenessCofCproprioception.
PainCsensationC(ChoiceCB)CisCmediatedCbyCtheCspinothalamicCpathway.CTheCspinothalamicCpathwa
yCtransmitsCinformationCaboutCpain,Ctemperature,CandCcrudeCtouchCupCtheCspinalCcordCtoCtheCthal
amus,CterminatingCinCtheCprimaryCsensoryCcortex.
EducationalCObjective:CTheCanteriorClobeCofCtheCcerebellumCmediatesCunconsciousCproprioceptio
n,CwhereasCconsciousCproprioceptionCisCcontrolledCbyCtheCdorsalCcolumn-
medialClemniscusCpathway.CLesionsCofCtheCanteriorClobeCofCtheCcerebellumCcanCresultCinCbroad-
basedCgaitCataxia.
%3D
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3
, ExamCSectionC1:CItemC3CofC50
NationalCBoardCofCMedicalCExaminers®
ComprehensiveCBasicCScienceCSelf-Assessment
3.CMovingCtheCforearmCagainstCresistanceCfromCpalm-downCtoCpalm-
upC(supination)CpositionCrequiresCtheCuseCofCwhichCofCtheCfollowingCmuscles?
A)CBicepsCbrachii
B)CBrachialis
OC)CTriceps
D)CFlexorCcarpiCradialis
E)CPronatorCteresC-CCORRECTCANSWERA.
TheCbicepsCbrachiiCmuscleChasCtwoCmainCactions,CflexionCofCtheCelbowCjointCandCsupinationCofCtheC
forearm.CTheCbicepsCbrachiiCcontainsCtwoCproximalCheads,CwithCtheCshortCheadCattachingCtoCtheCc
oracoidCprocessCofCtheCscapulaCandCtheClongCheadCenteringCtheCshoulder
jointCandCattachingCtoCtheCsupraglenoidCtubercle.CTheCdistalCbicepsCtendonCinsertsConCtheCbicipital
CtuberosityCofCtheCproximalCradius.CBecauseCofCitsCorientationCcrossingCtheCelbowCjoint,Ccontractio
nCofCthisCmuscleCcausesCelbowCflexion.CItsCeccentricCinsertionConCthe
proximalCradiusCallowsCforCitCtoCwindCaroundCtheCradiusCduringCpronationCandCunwindCwhenCcontr
actedCfromCaroundCtheCproximalCradiusCduringCsupination.
InCORRECTCANSWERs:CB,CC,CDCandCE.
TheCbrachialisCmuscleC(ChoiceCB)CoriginatesConCtheCanteriorCsurfaceCofCtheChumerusCandCcrossesCt
heCelbowCinsertingConCtheCtuberosityCofCtheCulna.CItCdoesCnotCwrapCaroundCtheCulnaCandCtheCulnaC
doesCnotCrotate.CBecauseCofCthis,CitCdoesCnotCcontributeCtoCsupinationCor
pronation.
TheCtricepsCmuscleC(ChoiceCC)CservesCtoCextendCtheCelbowCjoint.CProximally,CitCoriginatesCfromCthe
CinfraglenoidCtubercleCofCtheCscapulaC(longChead),CjustCproximalCtoCtheCradialCgrooveC(lateralChead)
,CandCjustCdistalCtoCtheCradialCgrooveC(medialChead).CDistally,CitCinsertsCon
theColecranonCprocessCofCtheCulna.CContractionCofCthisCmuscleCextendsCtheCelbowCandCdoesCnotCc
ontributeCtoCrotation.
FlexorCcarpiCradialisC(ChoiceCD)CoriginatesConCtheCmedialCepicondyleCofCtheChumerusCandCinsertsCo
nCtheCsecondCandCthirdCmetacarpalCbones.CThisCallowsCforCflexionCofCtheCwrist.
