雨课堂学堂在线学堂云《Progress in Human Embryology（山大 ）》单元测试考核答案

注：不含主观题第1题单选题(1分)WhichofthefollowingisamajorcharacteristicofmeiosisI?()ASplittingofthecentromereBReducingtheamountofDNAtoINCAchievingthediploidnumberofchromosomesDProducingprimordialgermcellsEPairingofhomologouschromosomes正确答案：E第2题单选题(1分)Anormalsomaticcellcontainsatotalof46chromosomes.Whatisthenormalcomplementofchromosomesfoundinasperm?()A23autosomesplusasexchromosomeB22autosomesC22autosomesplusasexchromosomeD23autosomesE23pairedautosomes第3题单选题(1分)WhichofthefollowingdescribesthenumberofchromosomesandamountofDNAinagamete?()A46chromosomes,1NB46chromosomes,2NC23chromosomes,2ND23chromosomes,1NE23chromosomes,4N第4题单选题(1分)Whichofthefollowingchromosomecompositionsinaspermnormallyresultsintheproductionofageneticfemaleiffertilizationoccurs?()A23homologouspairsofchromosomesB22autosomesplusanXchromosomeC22homologouspairsofchromosomesD23autosomesplusanXchromosomeE22autosomesplusaYchromosome第5题单选题(1分)Intheprocessofmeiosis,DNAreplicationofeachchromosomeoccurs,formingastructureconsistingoftwosisterchromatidsattachedtoasinglecentromere.Whatisthisstructure?()ATwochromosomesBAsynapsedchromosomeCAduplicatedchromosomeDAcrossoverchromosomeEAhomologouspair第6题单选题(1分)Allprimaryoocytesareformedby()Amonth5offetallifeBweek4ofembryoniclifeCbirthDmonth5ofinfancyEpuberty第7题单选题(1分)Whendoesformationofprimaryspermatocytesbegin?()ADuringweek4ofembryoniclifeBAtpubertyCDuringmonth5offetallifeDAtbirthEDuringmonth5ofinfancy第8题单选题(1分)Intheproductionoffemalegametes,whichofthefollowingcellscanremaindormantfor12to40years?()APrimordialgermcellBSecondaryoocyteCPrimaryoocyteDFirstpolarbodyESecondpolarbody第9题单选题(1分)Intheproductionofmalegametes,whichofthefollowingcellsremainsdormantfor12years?()APrimaryspermatocyteBSecondaryspermatocyteCSpermatidDSpermEPrimordialgermcell正确答案：E第10题单选题(1分)Approximatelyhowmanyspermwillbeejaculatedbyanormalfertilemaleduringsexualintercourse?()A10millionB350millionC35millionD100millionE20million第11题单选题(1分)Ayoungwomanenterspubertywithapproximately40,000primaryoocytesinherovary.Abouthowmanyoftheseprimaryoocyteswillbeovulatedovertheentirereproductivelifeofthewoman?()A40,000B35,000C480D48E12第12题单选题(1分)HowmuchDNAdoesaprimaryspermatocytecontain?()AINB2NC4ND6NE8N第13题单选题(1分)Duringovulation,thesecondaryoocyteresidesatwhatspecificstageofmeiosis?()AProphaseofmeiosisIBProphaseofmeiosisIICMetaphaseofmeiosisIDMetaphaseofmeiosisIIEMeiosisiscompletedatthetimeofovulation第14题单选题(1分)Concerningmaturationofthefemalegamete(),whendotheoogoniaentermeiosisIandundergoDNAreplicationtoformprimaryoocytes?()ADuringfetallifeBAtbirthCWitheachovariancycleDFollowingfertilizationEAtpuberty第15题单选题(1分)Wheredoprimordialgermcellsinitiallydevelop?()AInthegonadsatweek4ofembryonicdevelopmentBInthegonadsatmonth5ofembryonicdevelopmentCIntheyolksacatweek4ofembryonicdevelopmentDIntheyolksacatmonth5ofembryonicdevelopmentEInthegonadsatpubertyPleasereadthefollowingtwopapersaboutembryonicstemcellsandsearchmoreliteratures.Trytodesignaprojectaboutembryonicstemcellsbasedonyourownmajor.第1题Testforweek3第1题单选题(1分)A20-year-oldwomanpresentsattheemergencydepartmentwithsevereabdominalpainontherightsidewithsignsofinternalbleeding.Sheindicatedthatshehasbeensexuallyactivewithoutcontraceptionandmissedherlastmenstrualperiod.Basedonthisinformation,whichofthefollowingdisordersmustbeincludedasanoptioninthediagnosis?()AOvariancancerBEctopictubalpregnancyCAppendicitisDToxemiaofpregnancyENormalpregnancy第2题单选题(1分)Whendoesasecondaryoocytecompleteitssecondmeioticdivisiontobecomeamatureovum?()ABeforebirthBAtpubertyCBeforeovulationDAtovulationEAtfertilization正确答案：E第3题单选题(1分)Howsoonafterfertilizationoccurswithintheuterinetubedoestheblastocystbeginimplantation?()AWithinminutesBBy12hoursCByday1DByday2EByday7正确答案：E第4题单选题(1分)Wheredoestheblastocystnormallyimplant?()AFunctionallayerofthecervixBBasallayeroftheendometriumCFunctionallayeroftheendometriumDMyometriumEPerimetrium第5题单选题(1分)Whichofthefollowingeventsisinvolvedinthecleavageofthezygoteduringweek1ofdevelopment?()AAseriesofmeioticdivisionsformingblastomeresBProductionofhighlydifferentiatedblastomeresCAdecreaseinsizeofblastomeresDAnincreaseinsizeofblastomeresEAnincreasedcytoplasmiccontentofblastomeres第6题单选题(1分)Whichofthefollowingstructuresmustdegenerateforblastocystimplantationtooccur?()AZonapellucidaBCytotrophoblastCSyncytiotrophoblastDFunctionallayeroftheendometriumEEndometriuminprogestationalphase第7题单选题(1分)WhichofthefollowingistheoriginofthemitochondrialDNAofallhumanadultcells?()APaternalonlyBMaternalonlyCAcombinationofpaternalandmaternalDEitherpaternalormaternalEUnknownorigin第8题单选题(1分)Individualblastomereswereisolatedfromablastulaatthe4-cellstage.Eachblastomerewasculturedinvitrototheblastocyststageandindividuallyimplantedintofourpseudopregnantfostermothers.Whichofthefollowingwouldyouexpecttoobserve9monthslater?()ABirthofonebabyBBirthoffourgrotesquelydeformedbabiesCBirthoffourgeneticallydifferentbabiesDBirthoffourgeneticallyidenticalbabiesENobirths第9题单选题(1分)Inoogenesis,whichofthefollowingeventsoccursimmediatelyfollowingthecompletionsofameiosisII?()ADegenerationofthezonapellucidaBSpermpenetrationofthecoronaradiataCAppearanceoftheblastocystDCompletionofcleavageEFormationofafemalepronucleus正确答案：E第10题单选题(1分)Whichofthefollowingcomponentsplaysthemostactiveroleininvadingtheendometriumduringblastocystimplantation?()AEpiblasltBHypoblastCSyncytiotrophoblastDExtraembryonicsomaticmesodermEExtraembryonicvisceralmesoderm第11题单选题(1分)Betweenwhichtwolayersistheextraembryonicmesodermlocated?()AEpiblastandhypoblastBExocoelomicmembraneandsyncytiotrophoblastCExocoelomicmembraneandcytotrophoblastDSyncytiotrophoblastandcytotrophoblastESyncyrtiotrophoblastandendometrium第12题单选题(1分)Duringweek2ofdevelopment,theembryoblastreceivesitsnutrientsvia()AdiffusionBosmosisCreverseosmosisDfetalcapillariesEyolksacnourishment第13题单选题(1分)Whichofthefollowingarecomponentsofthedefinitivechorion?()AExtraembryonicsomaticmesodermandepiblastBExtraembryonicsomaticmesoderm,cytotrophoblast,andsyncytiotrophoblastCExtraembryonicsomaticmesodermandcytotrophoblastDExtraembryonicsomaticmesodermandsyncytiotrophoblastEExtraembryonicvisceralmesoderm,cytotrophoblast,andsyncytiotrophoblast第14题单选题(1分)Atwhatlocationdoestheamnioticcavitydevelop?()ABetweenthecytotrophoblastandsyncytiotrophoblastBWithintheextraembryonicmesodermCBetweentheendodermandmesodermDWithintheepiblastEWithinthehypoblast第15题单选题(1分)Attheendofweek2ofdevelopment(day14),whatisthecompositionoftheembryonicdisc?()AEpiblastonlyBEpiblastandhypoblastCEctodermandendodermDEctoderm,mesoderm,andendodermEHypoblast,mesoderm,andhypoblastPleasewriteaminireviewabouttheembryonicinduction第1题Testforweek4第1题单选题(1分)Whichgermlayersarepresentattheendofweek3ofdevelopment(day21)?()AEpiblastonlyBEpiblastandhypoblastCEctodermandendodermDEctoderm,mesoderm,andendodermEEpiblast,mesoderm,andhypoblast第2题单选题(1分)Whichprocessestablishesthethreedefinitivegermlayers?()ANeurulationBGastrulationCCraniocaudalfoldingDLateralfoldingEAngiogenesis第3题单选题(1分)Thefirstindicationofgastrulationintheembryois()AformationoftheprimitivestreakBformationofthenotochordCformationoftheneuraltubeDformationofextraembryonicmesodermEformationoftertiarychorionicvilli第4题单选题(1分)Somitesmaydifferentiateintowhichofthefollowing?()AUrogenitalridgeBKidneysCNotochordDEpimericandhypomericmusclesEEpithelialliningofthegastrointestinaltract第5题单选题(1分)Intermediatemesodermwillgiverisetothe()AneuraltubeBheartCkidneysandgonadsDsomitesEnotochord第6题单选题(1分)Thedevelopingembryohasadistincthumanappearancebytheendof()Aweek4Bweek5Cweek6Dweek7Eweek8正确答案：E第7题单选题(1分)Thelateralmesodermisdividedintotwodistinctlayersbytheformationofthe()AextraembryoniccoelomBintraembryoniccoelomCcardiogenicregionDnotochordEyolksac第8题单选题(1分)Veryoftenthefirstindicationawomanhasthatsheispregnantisamissedmenstrualperiod.Inwhichweekofembryonicdevelopmentwillawomanexperienceherfirstmissedmenstrualperiod?()AStartofweek3BStartofweek4CStartofweek5DStartofweek8EEndofweek8第9题单选题(1分)Afemalenewbornwasfoundtohavealargemidlinetumorinthelowersacralarea,whichwasdiagnosedasasacrococcygealtumor.()Whichofthefollowingcoursesoftreatmentisrecommendedforthischild?AImmediatechemotherapyandradiationtreatmentBSurgicalremovalbyage6monthsCSurgicalremovalatage4-5yearsDSurgicalremovalatage13-15yearsENotreatmentbecausethistumornormallyregresseswithage第10题单选题(1分)Awomanhasherpregnancysuddenlyterminatedduetointrauterinefetaldeath.Atautopsy,thefetusshowsseverepallor,generalizededema,andhepatosplenomegaly.Whichofthefollowingwouldyoususpect?()AVATERBB-ThalassemiaminorCB-ThalassemiamajorDHydropsfetalisEVACTERL第11题单选题(1分)Thespecializedgroupofmesenchymalcellsthataggregatetoformbloodislandscentrallyandprimitivebloodvesselsperipherallyarecalled()AfibroblastsBcardiacprogenitorcellsCangioblastsDmyoblastsEosteoblasts第12题单选题(1分)Theepiblastiscapableofformingwhichofthefollowinggermlayers?()AEctodermonlyBEctodermandmesodermonlyCEctodermandendodermonlyDEctoderm,mesoderm,endodermEMesodermandendodermonly第13题单选题(1分)Amalenewbornhasahemangiomaontheleftfrontotemporalregionofhisfaceandscalp.Thecellsformingthehemangiomaarederivedfromwhichofthefollowingcelllayers?()AEctodermonlyBMesodermonlyCEndodermonlyDEctodermandmesodermEEndodermandmesoderm第14题单选题(1分)Whichstructureisderivedfromthesameembryonicprimordiumasthedorsalrootganglia?()AGonadsBKidneyCPinealglandDLiverEAdrenalmedulla正确答案：E第15题单选题(1分)Whichstructureisderivedfromthesameembryonicprimordiumasthekidney?()AGonadsBEpidermisCPinealglandDLiverEAdrenalmedulla第16题单选题(1分)Whichstructureisderivedfromthesameembryonicprimordiumasthemammarygland?()AsweatglandBkidneysCintestinalloopDLiverEAdrenalmedullaTestforweek5第1题单选题(1分)Duringthelaterstagesofpregnancy,maternalbloodisseparatedfromfetalbloodbythe()AsyncytiotrophoblastonlyBcytotrophoblastonlyCsyncytiotrophoblastandcytotrophoblastDsyncytiotrophoblastandendotheliumofcapillariesinthevilliEcytotrophoblastandendotheliumofcapillariesinthevilli第2题单选题(1分)Thematernalandfetalcomponentsoftheplacentaare()AdeciduabasalisandsecondarychorionicvilliBdeciduacapsularisandsecondarychorionicvilliCdeciduaparietalisandtertiarychorionicvilliDdeciduacapsularisandchorionlaeveEdeciduabasalisandchorionfrondosum正确答案：E第3题单选题(1分)Theintervillousspaceoftheplacentacontains()AmaternalbloodBfetalbloodCmaternalandfetalbloodDamnioticfluidEmaternalbloodandamnioticfluid第4题单选题(1分)Ayounginsulin-dependentdiabeticwomaninherfirstpregnancyisconcernedthatherdailyinjectionofinsulinwillcauseacongenitalmalformationinherbaby.Whatshouldthe()physiciantellher?AInsulinishighlyteratogenic;discontinuetreatmentBInsulindoesnotcrosstheplacentalmembraneCInsulincrossestheplacentalmembranebutisdegradedrapidlyDInsulinwillbenefitherbabybyincreasingglucosemetabolismEInsulincrossestheplacentalmembranebutisnotteratogenic第5题单选题(1分)Whatisanormalamountofamnioticfluidatterm?()A50mLB500mLC1000mLD1500mLE2000mL第6题单选题(1分)Whichofthefollowingdoesnotpassthroughtheprimitiveumbilicalring?()AAllantoisBAmnionCYolksacDConnectingstalkESpaceconnectingtheintraembryonicandextraembryoniccoeloms第7题单选题(1分)Whichofthefollowingbestdescribestheplacentalcomponentsofdizygotictwins?()AOneplacenta,twoamnioticsacs,onechorionBOneplacenta,twoamnioticsacs,twochorionsCTwoplacentas,twoamnioticsacs,onechorionDTwoplacentas,twoamnioticsacs,twochorionsEOneplacenta,twoamnioticsacs,twochorions第8题单选题(1分)A26-year-oldpregnantwomanexperiencesrepeatedepisodesofbrightredvaginalbleedingatweek28,week32,andweek34ofpregnancy.Thebleedingspontaneouslysubsidedeachtime.Useofultrasoundshowsthattheplacentaislocatedinthelowerrightportionoftheuterusovertheinternalos.Whatisthediagnosis?()AHydatidiformmoleBVasapreviaCPlacentapreviaDPlacentalabruptionEPrematureruptureoftheamniochorionicmembrane第9题单选题(1分)A32-year-oldpregnantwomanat30weeksofgestationcomestoherphysicianbecauseofexcessweightgainina2-weekperiod.Ultraso-nographyrevealspolyhydramnios.Whichfetalabnormalityismostlikelyresponsibleforthepolyhydramnios?()ABilateralkidneyagenesisBUmbilicalcordknotsCVelamentousplacentaDHypoplasticlungsEEsophagealatresia正确答案：E第10题单选题(1分)Whatstructurecoverstheumbilicalcord?()ADeciduacapsularisBChorionleaveCChorionfrondosumDAmnionEPlacentalmembrane第11题单选题(1分)Duringthedevelopment,therearethreestructuresfusewitheachother,andthentheyfusewithdeciduaparietalis.Fromfetalsidetomaternalside,theyare()AAmnion,chorionlaeveanddeciduacapsularisBChorionleave,deciduacapsularisandamnionCDeciduacapsularis,amnionandchorionlaeveDAmnion,deciduacapsularisandchorionlaeveEChorionlaeve,amnionanddeciduacapsularis第12题单选题(1分)Whichstructuremakesthechorionattachfirmlytothedeciduabasalis?()AcytotrophoblastBsyncytiotrophoblastCcytotrophoblastshellDextraembryonicmesodermEcapillariesinthevilli第13题单选题(1分)What’sthedifferencebetweensecondaryvilliandtertiaryvilli?()AbiggerBmorebranchesCsycytiotrophoblastbecomesthinnerDcytotrophoblastbecomesthickerEcapillariesappear正确答案：ETestforweek6第1题单选题(1分)Theprimarypalateformsviathefusionofthe()AmaxillaryprominencesBmandibularprominencesCpalatineshelvesDlateralnasalprominencesEmedialnasalprominences正确答案：E第2题单选题(1分)Themostcommonsiteofacervicalfistulaisthe()AdorsalaspectofneckBanteriorborderofsternocleidomastoidmuscleCsuperiormediastinumDmidlineclosetothehyoidboneEbaseofthetongue第3题单选题(1分)Whatisthemostcommoncongenitalmalformationoftheheadandneckregion?()AAnteriorcleftpalateBPosteriorcleftpalateCThyroglossalductcystDUnilateralcleftlipEAnkyloglossia第4题单选题(1分)Duringsurgeryfortheremovalofathyroidtumor,anumberofsmallmassesofglandulartissuearenotedjustlateraltothethyroidgland.Metastasisfromthethyroidtumorissuspected,buthistologicalanalysisofabiopsyrevealsparathyroidtissueandremnantsofthymus.Howcanthisfindingbeexplained?()()TumortissuehasdifferentiatedintonormaltissueAAparathyroidglandtumorisalsopresentBEctopicglandulartissueiscommonlyfoundinthisregionCThepatienthasDiGeorgesyndromeDTheglandulartissueisaresultofathyroglossalductcyst第5题单选题(1分)Thelateralpalatineprocessderivesfrom()AfrontonasalprominenceBmedialnasalprominenceClateralnasalprominenceDmaxillaryprominenceEmandibularprominence第6题单选题(1分)Whichstructureisassociatedwiththeformationoftheneck?()AbranchialarchBmaxillaryprominenceCmandibularprominenceDfrontonasalprominenceEnasalprominence第7题单选题(1分)Thebranchialmembraneis()AthestructurebetweenbranchialcleftandpharyngealpouchBthestructurebetweenbranchialcleftandbranchialarchCthestructurebetweenbranchialapparatusandpharyngealpouchDthestructurebetweenbranchialarchandpharyngealpouchEthestructurebetweenbranchialapparatusandbranchialarch第8题单选题(1分)Thestructurebetweenstomodeumandprimitivepharynxis()ApharyngealpouchBoropharyngealmembraneCbranchialmembraneDprimitivepharynxEnasalcavity第9题单选题(1分)Digeorgesyndromeisnotcharacterizedby()AsmallmouthBsmoothphiltrumCprominentnasalbridgeDpartialorcompleteabsenceofthymusEadeletiononthelongarmofchromosome21正确答案：E第10题单选题(1分)cleftlipiscausedby()AthefailureofmaxillaryprominencetofusewiththecorrespondingmedialnasalprominenceBthefailureofmaxillaryprominencetofusewiththecorrespondinglateralnasalprominenceCthefailureofmaxillaryprominencetofusewitheachotherDthefailureofmedialnasalprominencetofusewithlateralnasalprominenceEthefailureofmedialnasalprominencetofusewitheachother第11题单选题(1分)Mediancleftlipiscausedby()AthefailureofmaxillaryprominencetofusewiththecorrespondingmedialnasalprominenceBthefailureofmaxillaryprominencetofusewiththecorrespondinglateralnasalprominenceCthefailureofmedialnasalprominencetofusewithlateralnasalprominenceDthefailureofmaxillaryprominencetofusewitheachotherEthefailureofmedialnasalprominencetofusewitheachother正确答案：E第12题单选题(1分)Obliquefacialcleftiscausedby()AthefailureofmaxillaryprominencetofusewiththecorrespondingmedialnasalprominenceBthefailureofmaxillaryprominencetofusewiththecorrespondinglateralnasalprominenceCthefailureofmedialnasalprominencetofusewithlateralnasalprominenceDthefailureofmaxillaryprominencetofusewitheachotherEthefailureofmedialnasalprominencetofusewitheachother第13题单选题(1分)Completecleftpalateiscausedby()AthefailureoflateralpalatineprocesstofusewithmedianpalatineprocessBthefailureoflateralpalatineprocesstofusewitheachotherCthefailureofmedianpalatineprocesstofusewithmaxillaryprominenceDthefailureoflateralpalatineprocesstofusewithmaxillaryprominenceEthefailureoflateralpalatineprocesstofusewithmedianpalatineprocessandthefailureoflateralpalatineprocesstofusewitheachother正确答案：E第14题单选题(1分)Whichoneisnotthederivativesofthepharyngealpouch?()AtympaniccavityBpalatinetonsilCthymusDparathyroidglandEadrenalgland正确答案：ETestforweek7第1题单选题(1分)Pancreaticisletsconsistofalpha,beta,anddeltacells,whichsecretelucagon,insulin,andsomatostatin,respectively.Thesecellsarederivedfrom()AmesodermBendoderm

CneuroectodermDectodermEneuralcrestcells第2题单选题(1分)A28-day-oldbabyisbroughttothephysicianbecauseofprojectilevomitingafterfeeding.Untilthistime,thebabyhashadnoproblemsinfeeding.Onexamination,asmallknotispalpatedattherightcostalmargin.Whichofthefollowingdisordersmightbesuspected?()AEsophagealstenosisBAnnularpancreasCHypertrophicpyloricstenosisDExtrahepaticbiliaryatresiaEDuodenalatresia第3题单选题(1分)Thesimplecolumnarorcuboidalepitheliumliningtheextrahepaticbiliaryductsisderivedfrom()()mesodermAendodermBectodermCneuroectodermDneuralcrestcellsEmesoderm第4题单选题(1分)A4-day-oldbabyboyhasnotdefecatedsincecominghomefromthehospitaleventhoughfeedinghasbeennormalwithoutanyexcessivevomiting.Rectalexaminationrevealsanormalanus,analcanal,andrectum.However,alargefecalmassisfoundinthecolon,andalargereleaseofflatusandfecesfollowstherectalexamination.Whichofthefollowingconditionswouldbesuspected?()()ImperforateanusAAnalagenesisBAnorectalagenesisCRectalatresiaDCongenitalmegacolonEImperforateanus第5题单选题(1分)A3-month-oldbabygirlpresentswithaswollenumbilicusthathasfailedtohealnormally.Theumbilicusdrainssecretions,andthereispassageoffecalmaterialthroughtheumbilicusattimes.Whatisthemostlikelydiagnosis?()AOmphaloceleBGastroschisisCAnalagenesisDUmbilicalfistulaEIntestinalstenosis第6题单选题(1分)Themidgutloopnormallyherniatesthroughtheprimitiveumbilicalringintotheextraembryoniccoelomduringweek6ofdevelopment.Failureoftheintestinalloopstoreturntotheabdominalcavitybyweek10resultsintheformationof()AcongenitalumbilicalherniaBgastroschisisCanalagenesisDilealdiverticulumEintestinalstenosis第7题单选题(1分)Ababyborntoayoungwomanwhosepregnancywascomplicatedbypolyhydramnioswasplacedintheintensivecareunitbecauseofrepeatedvomitingcontainingbile.Thestomachwasmarkedlydistended,andonlysmallamountsofmeconiumhadpassedthroughtheanus.Whatisthemostlikelydiagnosis?()AEsophagealstenosisBAnnularpancreasCHypertrophicpyloricstenosisDExtrahepaticbiliaryatresiaEDuodenalatresia正确答案：E第8题单选题(1分)Ayoungmotherbringsherrecentlyborninfantintoyourofficeandcomplainsthattheinfantgagsandchokesafterswallowingmilk.Aphysicalexaminationindicatesexcessivesalivaandmucusaroundthemouthandnose,abdominaldistention,pneumonitis,andradiographsindicateairintheinfant'sstomach.Whatisthemostlikelycause?()AHypertrophicpyloricstenosisBTracheoesophagealfistulaCCongenitallobaremphysemaDRespiratorydistresssyndromeEPulmonaryhypoplasia第9题单选题(1分)Withinhoursafterbirth,ababywhosemotherisdiabetichadarisingrespiratoryrateandlaboredbreathing.Thebabybecamecyanoticanddied.Postmortemhistologicalexaminationrevealedcollapsedalveolilinedwitheosinophilicmaterial.Whatisthediagnosis?()ACongenitalemphysemaBRespiratorydistresssyndromeCCysticfibrosisDTracheoesophagealfistulaEPulmonarycarcinoma第10题单选题(1分)Thetracheaislinedwithpseudostratifiediliatedcolumnarepitheliumwithgobletcells.Thisepitheliumisderivedfrom()AneuroectodermBendodermCectodermDmesodermoffourthandsixthpharyngealarchesEvisceralmesoderm第11题单选题(1分)Therespiratorydiverticuluminitiallyisinpencommunicationwiththeprimitiveforegut.Whichofthefollowingembryonicstructuresisresponsibleforseparatingthesetwostructures?()ALaryngotrachealgrooveBPosterioresophagealfoldsCLaryngotrachealdiverticulumDTracheoesophagealseptumEBronchopulmonarysegment第12题单选题(1分)Pulmonaryhypoplasiaiscommonlyassociatedwithwhichcondition?()AHyalinemembranediseaseBDiaphragmaticherniaCTracheoesophagealfistulaDCongenitalbronchialcystsECongenitalneonatalemphysema第13题单选题(1分)Developmentofwhichofthefollowingisthefirstsignofrespiratorysystemdevelopment?()ATracheoesophagealseptumBHypobranchialeminenceCPrimitiveforegutDTracheoesophagealfistulaERespiratorydiverticulum正确答案：E第14题单选题(1分)Whichoneofthefollowingstructuresisderivedfromthemidgut?AAppendixBStomachC

LiverDPancreasESigmoidcolon第15题单选题(1分)KupffercellspresentintheadultliverarederivedfromAmesodermBendodermCectodermDneuroectodermEneuralcrestcells第16题单选题(1分)ThestratifiedsquamousepithelialiningthelowerpartoftheanalcanalisderivedfromAmesodermB

endodermCectodermDneuroectodermEneuralcrestcells第17题单选题(1分)Smoothmuscle,connectivetissue,andcartilageofprimarybronchiarederivedfromwhichofthefollowingsources?A

NeuroectodermBEndodermCEctodermDVisceralmesodermEMesodermofpharyngealarches4and6第18题单选题(1分)Componentsoftheblood-airbarrierinthelungrederivedfromwhichofthefollowingsources?AEctodermonlyBVisceralmesodermonlyCVisceralmesodermandectodermDEndodermandectodermEVisceralmesodermandendoderm正确答案：EPleasereadthepapercarefullytocheckifthereissomethingtobeimprovedinthesepapers.第1题Testforweek8第1题单选题(1分)Aurachalcystisaremnantofthe()AurogenitalsinusBurogenitalridgeCcloacaDallantoisEmesonephricduct第2题单选题(1分)Duringsurgeryforabenigncystonthekidney,thesurgeonnotesthatthepatient'srightkidneyhastwouretersandtworenalpelvis.Thismalformationis()AanabnormaldivisionofthepronephrosBanabnormaldivisionofthemesonephrosCformationofanextramassofintermediatemesodermDaprematuredivisionofthemetanephricblastemaEaprematuredivisionoftheuretericbud正确答案：E第3题单选题(1分)Thetransitionalepitheliumliningtheuretersderivedfrom()AectodermBendodermCmesodermDendodermandmesodermEneuralcrestcells第4题单选题(1分)ThepodocytesofBowmancapsulearederivedfrom()AectodermBendodermCmesodermDendodermandmesodermEneuralcrestcells第5题单选题(1分)Thetrigoneontheposteriorwalloftheurinarybladderisformedbythe()AincorporationofthelowerendofthemesonephricductsBincorporationofthelowerendofthepronephricductsCincorporationofthemetanephricblastemaDincorporationofthemesonephrictubulesEincorporationofthepronephrictubules第6题单选题(1分)Immediatelyafterbirthofaboy,amoist,redprotrusionoftissueisnotedjustsuperiortohispubicsymphysis.Afterobservation,urinedrainageisnotedfromtheupperlateralcornersofthistissuemass.Whatisthediagnosis?()APelvickidneyBHorseshoekidneyCPolycysticdiseaseofthekidneyDUrachalcystEExstrophyofthebladder正确答案：E第7题单选题(1分)Thetransitionalepitheliumliningtheurinarybladderisderivedfrom（）AectodermBendodermCmesodermDendodermandmesodermEneuralcrestcells第8题单选题(1分)ThepodocytesofBowmancapsulearederivedfrom（C）AectodermBendodermCmesodermDendodermandmesodermEneuralcrestcells第9题单选题(1分)TheproximalconvolutedtubulesofthedefinitiveadultkidneyarederivedfromtheAuretericbudBmetanephrogenictissueCmesonephricductDmesonephrictubulesEpronephrictubules第10题单选题(1分)TheindifferentembryobeginsphenotypicsexualdifferentiationduringAweek3ofdevelopmenBweek5ofdevelopmentCweek7ofdevelopmentDweek12ofdevelopmentEweek20ofdevelopment第11题单选题(1分)Afterthesinovaginalbulbshaveproliferatedandfused,theyformasolidcoreofendodermalcellscalledtheAvestibuleofthevaginaB

uterovaginalprimordiumCurogenitalsinusDvaginalplateEclitoris第12题单选题(1分)Astructurefoundwithintheadultfemalepelvisfromthegubernaculumisthe

AbroadligamentBsuspensoryligamentoftheovaryCroundligamentoftheuterusDmedialumbilicalligamentEmedianumbilicalligament第13题单选题(1分)Theuterinetubesoftheadultfemalearederivedembryologicallyfromwhichofthefollowing?AMesonephricductBMeso