人體形態(tài)科學(xué)學(xué)習(xí)資料：系統(tǒng)解剖學(xué)題庫(kù)

PAGEsystematicanatomy系統(tǒng)解剖學(xué)題庫(kù)LOCOMOTORSYSTEMThelongboneissternumcostalbonehumerusparietalbonescapulaConcerningthecervicalvertebrae,therightdescriptionis:allcervicalvertebraehavevertebralbodyandarticularprocessthefirstcervicalvertebrahasnotransverseforamentheendofthespinousprocessofthecervicalvertebraebifurcateentirelythearticularfacetsarerelativelyhorizontalthefirstcervicalvertebraiscalledaxisConcerningthethoracicvertebrae,therightdescriptionis：theyhavetransverseforamentheybifurcateattheendofthetransverseprocesstheyhaverelativelysagittalarticularfacetstheyhavecostalfoveaonthevertebralbodylaterallytheyhavenotransversecostalfoveaConcerningthelumbarvertebrae,therightdescriptionis:thebodyissmalltheyhavecostalfoveaonthevertebralbodylaterallytheyhavetransverseforamenthearticularfacetsarerelativelysagittalthespinousprocessespointobliquelydownwardSacrum：itismadeupoffourfusedvertebraethebaseofitisdownwardtheauricularsurfaceisontheanteriorsurfacetheanteriorsacralforaminaisnotcommunicatingwithsacralcanalhavefourpairsofposteriorsacralforaminaConcerningtheribs,therightdescriptionis:theribsareeleveninnumberoneachside1st~8thRibsarecalledtrueribs8th~11thRibsarecalledfalseribstheanteriorendiscalledcostalangletheposteriorendofribenlargedtoformthecostalheadThesellaturcicaisapartofwhichbone:temporalsphenoidethmoidoccipitallacrimalThesagittalandcoronalsuturesmeetatthe:bregmaasterionpterionlambdaglabellaInferiorangleofscapulamarksthelevelofthe2thribthe7thribthespineofthe2ndthoracicvertebrathespineofthe7ththoracicvertebrathespineofthe10ththoracicvertebraThestructureliesontheposterioraspectofshaftofhumerusis:deltoidtuberositygrooveforradialnervebicipitalgrooveolecranonfossacapitulumUlnar:theupperendiscalledtheheadofulnaliesthelateralsideoftheforearmtheolecranonandcoronoidprocessareonitsupperendthemedialborderiscalledinterosseousborderthetrochlearnotchisonthebodyofulnarHipbone:theobturatorforamenisformedbypubisandischiuminferiortotheanteriorinferioriliacspineisthegreatersciaticnotchtheexternalsurfaceofthealaofiliumiscallediliacfossatheanteriorsuperioriliacspinecannotbepalpatedconsistsofiliumandischiumFemur:theintertrochantericlineisontheposteriorsurfaceoftwotrochanterstheintertrochantericcrestisontheanteriorsurfaceoftwotrochanterstheadductortubercleisinferiortothemedialepicondylethelineaasperaisontheanteriorsurfaceofthebodyoffemurthelowerendofthefemurhasthemedialandlateralepicondylesWhichistheaccessorystructureofsynovialjoint?articularsurface,articulardisc,ligamentligament,articularcapsule,articularsurfaceligament,articularcavity,articulardiscarticularcavity,synovialfold,synovialbursaarticularlabrum,ligament,synovialfoldConcerningtheintervertebraldisc,therightdescriptionis:22innumberinadultsisasymphysisbetweenvertebralarchesiscomposedofanulusfibrousandnucleuspulposusthenucleuspulposusprotrudeanterorlaterallyeasilytheanulusfibrosusisaninnersoft,highlyelasticstructureTemporomandibularjoint:isformedbymandibularfossaandheadofmandiblehasintracapsularligmenttheextracapsularligamentisthemedialligamenthasthearticulardiscthetemporomandibularjointisdislocated(脫位)onlybackwardConcerningtheshoulderjoint,therightdescriptionis:itscapsuleisstrongandthicktheheadofthehumerustakespartinformingthejointItisabiaxialjointtheglenoidcavityofthescapulaisdeeptendonofshortheadofbicepsbrachiipassesthoughthecavityElbowjoint:itisformedbythehumerusandradiusonlyitisformedbythehumerusandulnaonlythecapsuleisstronglythickenedbyligamentsanteriorlyandposteriorlytheradialcollateralligamentattachestomedialepicondyletheannularligamentofradiusattachedtoanteriorandposteriormarginsofradialnotchofulnaConcerningthehipjoint,therightdescriptionis:itisformedbytheheadoffemurandtheacetabulum.itisabiaxialjointtheiliofemoralligamentcanconfine.theanteflexionofthethighexcessively.thefractureoffemoralneckmustbetheintracapsulartype.theischiofemoralligamentblocktheacetabularnotch.Thekneejoint:itismadeupofthelowerendoffemurandtheupperendoftibiaonly.thetibialcollateralligamentisattachedtothemedialmeniscuscompactly.thefibularcollateralligamentisattachedtothelateralmeniscuscompactly.themedialmeniscusissmallerandassume“O”shape..thelateralmeniscusislargerandassume“C”shape.Talocruraljoint:ismadeupoflowerendsoftibiaandfibula,trochleaoftalusextensionandflexionistheonlymovementsofthisjoint.isthickenedontheanteriorsurfaceofthearticularcapsulewithligamentsthelateralligamentiscalleddeltoidligament.thisjointisalsocalledtalocalcanealjoint.Concerningbicepsbrachii,whichistrue?Itliesdeeptothelowerhalfofthecoracbrachialis.Itisthechiefextensoroftheforearm.ItslongheadcanalsoextendtheshoulderjointTheshortheadarisefromthecoracoidprocessItflexesthewristjointWhichmusclecanflexthehipandkneejoint?quadricepsfemorissartoriusadductorlonguspectineusadductormagnusWhichmusclecanflexthehipjointandextendthekneejoint?sartoriusadductorlongusbicepsfemorisquadricepsfemorisgracilisWhichmusclecanevertthefoot?peroneuslongusthetibialisanteriorthetibialisposteriorthesoleusflexordigitorombrevisWhichmusclecaninvertthefoot?AperoneuslonguspopliteustibialisposteriorflexorhallucislongusflexordigitorumlongusWhichofthefollowingmusclesattachestotheanteriorsuperioriliacspine?pectineussartoriusrectusfemorisvastusintermediusgracilisConcerningtricepssurae,therightdescriptionis:thegastrocnemiusliesdeeplytothesoleus.thetendocalcaneusinsertsonthecalcaneusbone.itcanextendtheanklejoint.thegastrocnemiusarisesfromtheposteriorsurfacesofthetibiaandfibulathesoleusarisesfromthemedialandlateralcondylesofthefemur.Sternocleidomastoid:arisesfromthemanubriumonlyliesinthedeeppartoftheneckleftsternocleidomastoidcontract，theheadinclinestotheright.rightsternocleidomastoidcontract，theheadinclinestotheright.insertsintothestyloidprocessoftemporalbone.Thetrapezius:isasuperficialmusclelyingontheanteriorsurfaceoftheneck..islongthinmuscle.arisesfromthespinesofseveralthoracicvertebrae.insertsontheclavicleonly.lefttrapeziuscontract,theneckinclinestotheleft.ALIMENTARYSYSTEMThepalatinetonsilliesinoralcavitybetweenpalatoglossalarchandpalatopharyngealarchinpharyngealrecessinpiriformrecessinposteriorwallofpharynxPharyngealopeningofauditorytubeliesinnasopharynxoropharynxlaryngopharynxepiglotticvalleculainferiormeatusThepiriformrecessliesinnasopharynxoropharynxlaryngopharynxisthmusoffaucesvestibuleoflarynxTheparotidductopensintoCheekmucosaCheekmucosanearsecondmolarofupperjawrootoftonguenasopharynxisthmusoffaucesThedentatelineisformedbyanalcanaltransversefoldofrectumanalcolumnsanalvalvesanalsinusRESPIRATORYSYSTEMTheupperrespiratorytractconsistsofnosenose,andpharynxnose,pharynx,andlarynxnose,pharynx,larynx,andtracheanose,pharynx,larynx,trachea,andprincipalbronchiThemaxillarysinusesopenintosuperiornasalmeatusesmiddlenasalmeatusesinferiornasalmeatusessphenoethmoidalrecessesnasolacrimalductsWhichsinusopensintosuperiornasalmeatusfrontalsinusesmaxillarysinusesanteriorandmiddlegroupsofethmoidalsinusesposteriorgroupofethmoidalsinusessphenoidalsinusesWhichcartilageisring-shapedthyroidcartilagecricoidcartilagearytenoidcartilageepiglotticcartilagetrachealcatilageVentricleoflarynxislocatedabovevestibularfoldabovevocalfoldbelowvocalfoldlaryngealvestibuleinfragloticcavityThenarrowestpartoflaryngealcavityisapertureoflarynxlaryngealvestibuleRimavestibulifissureofglottisventricleoflarynxThefissureglottisisbetweenthetwovestibularfoldsbetweenthetwovocalfoldsonlybetweenthelevelofrimavestibuliandthefissureofglottissuperiortotherimavestibuliinferiortotherimavestibuliFromanteriortoposterior,thearrangementofmainstructuresoftherootoflungisprincipalbronchi,pulmonaryartery,pulmonaryveinspulmonaryartery,principalbronchi,pulmonaryveinspulmonaryveins,pulmonaryartery,principalbronchiprincipalbronchi,pulmonaryveins,pulmonaryarterypulmonaryartery,pulmonaryveins,principalbronchiFromsuperiortoinferior,thearrangementofmainstructuresoftherootofleftlungisprincipalbronchi,pulmonaryartery,pulmonaryveinspulmonaryartery,principalbronchi,pulmonaryveinspulmonaryveins,pulmonaryartery,principalbronchiprincipalbronchi,pulmonaryveins,pulmonaryarterypulmonaryartery,pulmonaryveins,principalbronchiTheparietalpleuraisdividedintotwoportionsthreeportionsfourportionsfiveportionssixportionsThepleuralcavityisthepotentialspacebetweentheparietalandvisceralpleuraecostalanddiaphragmaticpleuraecostalandmediastinalpleuraecostalandcupulapleuraediaphragmaticandmediastinalpleuraeThecostodiaphragmaticrecessisbetweentheparietalandvisceralpleuraecostalanddiaphragmaticpleuraecostalandmediastinalpleuraecostalandcupulapleuraediaphragmaticandmediastinalpleuraeTheinferiormarginsofthelungsarecorrespondencewithwhichribatmidclavicularline5thrib6thrib7thrib8thrib9thribTheinferiormarginsofthepleuraearecorrespondencewithwhichribatscapularline7thrib8thrib9thrib10thrib11thribWhichofthefollowingstatementsconcerningthelungis/aretrue?Theleftonehasahorizontalfissure.TheleftonehasacardicnotchonthemiddlelobeTherighonehastwolobesandtheleftonethreelobesAtthecenterofmedialsurfacelocatesthehilumBothdonotprotrudeintotherootofneckURINARYSYSTEMFemaleuretercrossesaboveuterinearteryunderuterinearteryinfrontofuterinearteryinsideuterinearterylateraltouterinearteryThetrigoneofbladderliesininternalsurfaceoffundusofbladderbelowapexofurinarybladderbodyofbladderbelowneckofbladderinbaseofprostateSecondconstrictionofmaleurethraliesinProstaticportionofurethramembranouspartcavernouspartexternalorificeofurethrainternalurethralorificeThepelvicpartofureter()descendsimmediatelybehindtheinternaliliacartery.crosseslateraltotheexternalvessels,umbilicalartery,obturatornerveandvessels.crossesposteriorlyovertheductusdeferens(male).passeslateraltothefornexofthevaginaandiscrossedbyuterineartery.endsontheinferioroftheurinarybladderastheinternalurethralorifice.REPRODUCTIVESYSTEMTheepididymis()A.attachestotheanteriorsurfaceofthetestes.B.isthestorehouseforsperm.C.canbedividedintohead,neck,bodyandtail.D.secretsmalehormone.E.consistsofretetestis.Whichoneiswrongabouttheprostate?()Itisachestnut-shapedorgan.Itmaybedividedintoanterior,middle,posteriorandtwolaterallobes.Theurethrapassesthroughthemiddlelobeofthegland.Thereisprostaticsulcusalongthemiddlelineontheposteriorsurface.Theejaculatoryductpenetratesthebaseandopensonseminalcolliculus.Theinternalreproductiveorganofthefemaleis()monspubis.lesserlipsofpudendum.bulbofvestibuleclitoris.greatvestibulargland.Whichoneiswrongabouttheuterus?()Itcanbedividedintothreeparts-fundus,bodyandneck.Theisthmusisaslightconstrictionatthejunctionbetweentheneckandbody.Thelowerpartoftheneckcaninsertintothevagina.Thecavityintheuterusiscalledcavityofuterus.Thebodyisbentforwardatthejunctionwiththeneck(anteflection).Whichoneiswrongaboutthepositionoftheuterus（）Itsinferiorendisabovetheischialspine.Theurinarybladderisinfrontofit.Theuterinetube,ovaries,broadligamentareonbothsidesofit.Itisbehindtherectum.Itslowerpartpenetratestheurogenitaldiaphragm.Theligamentsthatprotecttheuterusfromprolapse（下垂）is（）broadligamentofuterus.suspensoryligamentofovary.roundligamentofuterus.cardinalligamentofuterus.uterosacralligament.Theovary（）issituatedintheovaryfossabetweenthecommonandinternalartery.isaretroperitonealviscera.isconnectedtotheuterusbyproperligamentofovaryatitssuperiorextremity.isattachedtothefrontofthebroadligamentofuterusbymesoovarium.issuspendedtothepelvicwallbysuspensoryligamentofovary.Whichoneiswrongabouttheuterinetube（）Itissituatedontheuppermarginsofthebroadligamentofuterus.Itsmedialendopensintothecavityofuterusbyuterineorifice.Itslateralendopenintoperitonealcavitybyabdominalorifice.Itcanbedividedintothreepart:isthmus,ampulla,andinfundibulum.Itisusuallydistinguishedfromthesmallintestinebyfimbriae.Fertilization（受精）usuallyoccuresin（）cavityofuterus.uterinepartofuterinetube..isthmusofuterinetube.ampullaofuterinetube.infundibulumofuterinetube.Whichoneiswrongaboutthevagina（）Theupperendsurroundsthelowerpartofneckofuterus.Theanteriorwallislongerthantheposteriorone.Theposteriorfornixofvaginaisneartherectouterinepouch.Theanteriorwallcontactswithurinarybladderandurethra.Theposteriorwallcontactswiththeanteriorwallofrectum.Whichpartoftheductusdeferenscanbeeasypalpatedundertheskin()testicularpart.funicularpart.inguinalpart.pelvicpart.ampullaductusdeferentisThepeniscanbedividedinto()head,bodyandtail.head,bodyandroot.head,neckandbody.head,neckandcrus.head,neck,bodyandroot.CIRCILATORYSYSTEMWhichstructuredoesbelongtotherightatrium?orificeofthecoronarysinustendinouscordstrabeculaecarneaeorificesofthepulmonaryveinsaorticorificeWhichstructuredoesbelongtotherightventricle?orificeofthesuperiorvenacavaorificeoftheinferiorvenacavaorificeofthecoronarysinusorificesofthepulmonaryveinsorificeofthepumonarytrunkWhichstructuredoesbelongtotheleftventricle?orificeofthesuperiorvenacavaorificeoftheinferiorvenacavaorificeofthecoronarysinusorificesofthepulmonaryveinsaorticorificeThepacemakerfortheheartisordinarilythe:sinoatrialnodeatrioventricularnodeatrioventricularbundle(ofHis)subendocardialplexusmembranousinterventricularseptumTherightcoronaryarteryarisesfromrightaorticsinusleftaorticsinuscoronarysinusorificeofthecoronarysinusorificeofthepulmonarytrunkThebranchesoftheaorticarchdon’tincludebrachiocephalictrunkleftcommoncarotidarteryleftsubclavianarterysomesmallbranchetotracheaandbronchuscoronaryarteryWhichofthefollowingarteriesisnotabranchoftheexternalcarotidarterysuperiorthyroida.faciala.Linguala.inferiorthyroida.superficialtemporala.Concerningthecarotidsinus,therightdescriptionisItisadilatationattheposteriorwallofthecommoncarotidartery.Itisadilatationatthepointofthebifurcationofthecommoncarotidartery.Itisasmallballstruturebehindthepointofdivisionofthecommoncarotidartery.Itisachemoreceptor.Allabovearewrong.ThefacialarterycomesfrominternalcarotidA.externalcarotidA.AngularA.lingualA.superficialtemporalA.Whicharteryisnotderivedfromthearteriesoftheceliactrunk'?gastroduodenalleftgastroepiploicrightgastricinferiorpancreaticoduodenalsuperiorpancreaticoduodenalTheshortgastricarteriescomefromceliactrunkrightgastricaleftgastricasplenicarterysuperiormesentericaTheaxillaryarterybeginsfromthemedialborderoftheistribgivesofftheinternalthoracicarteryendsatthelowerborderoftheteresminoritsbranchesdistributetothepectoralismajorm.onlygivesofftheanteriorintercostalarteryDeeppalmararchisformedbytheanastomosisoftheterminalpartoftheradialarterywithdeepbranchoftheulnarateryisformedbytheanastomosisoftheterminalpartoftheulnararterywithdeepbranchoftheradialarteryliessuperficialtothetendonsofflexormusclesliessuperficialtothelumbricalesgivesoffthreecommonpalmardigitalateriesWhichiswrongabouttheinternaliliacartery()Itarisesfromthecommonartery.Itisashorttrunkdescendingintothelesserpelvis.Theureterrunsanteriortoit.Itgivestheinferiorepigastrica.Theinternaliliacveinaccompaniesthearteryonitsmedialside.Theinternalpudendalartery()arisesfromtheanteriortrunkoftheinternaliliacartery.passesthroughthelessersciaticforamentoentertheglutealregion.runsalongthelateralsurfaceoftheobturatorinternus.suppliestheperineum.runsbelowthepudendalnerveinthepudendalcanal.Whicharteryispalpabledeeptotheingunalligamentanteriortibiala.femorala.politealfundafemorisarteryperoneala.Thefollowingstructurewhichmaybedamagedbysupracondylarfemoralfracturepopliteala.femoralmonperonealn.anteriortibiala.posteriortibiala.Theanteriortibialartery:isabranchofthefemorala.isrelatedtothemedialmalleolus.dividesintomedialandlateralplantararteries.suppliesthedorsiflexormuscles.ispalpableinthefoot.Theposteriortibialartery:isabranchofthefemoralartery.isrelatedtothemedialmalleolus.Dividesintomedialandlatealplantarateries.suppliesdorsoflexor.isaccompaniedbythesuralnerve.Thefollowingstatementsaboutthesuperiorvenacavaaretrue,EXCEPT:Itbeginsattheleveloftherightfirstcostalcartilage.Itreceivestherightandleftbrachiocephalicandtheazygosveins.Itfollowstherightphrenicnerve.Itfollowstherightvagusnerve.Itenterstherightatrium.Thecephalicveinarisesfromthemedialsideofdorsalvenousreteofhandaccompanytheradialarterydrainintothebrachialv.receivesthesuperficialveinsofthehandandthemedialsideoftheforearmrunsalongthelateralsideofthebicepsbrachi.Concerningthebasilicvein,whichistrue?beginsattheulnarsideofthedorsalvenousnetworkofhandbeginsattheradialpartofthedorsalvenousnetworkofhandascendsalongthelateralpartofthearmpassthroughthegroovebetweenthepectoralismajoranddeltoidendinthesubclavianveinTheazygosveincommencesasthecontinuationoftherightascendinglumbarveinleftascendinglumbarveinhemiazygosveinaccessoryhemiazygosveinposteriorintercostalveinsoftherightsideEnlargementofthesuperficialinguinallymphnodesmaybeasequelto:asoreonthebigtoeaboilonthebuttockaninfectedBartholine's(greatervestibular)glandasoreinthepoplitealfossaasoreonthefifthtoeThethoracicductbeginsattherightlumbartrunkleftlumbartrunkcisternachyliintestinaltrunkleftbronchomediastinaltrunkThethoracicductendsbyopeningintotherightvenousangleleftvenousangleleftsubclavianveinleftjugularveinrightsubclavianvein27.Themiddlemeningealarteryarisefromexternalcarotidernalcarotida.superficialtemporala.maxillarya.faciala.SENSORYORGAN1.TheretinaA.itcanbedividedintotheopticpartandtheblindpartB.theopticpartlinestheinternalsurfaceoftheciliarybodyC.theblandpartlinestheinternalsurfaceofthechoroidD.theopticdisclocatedintheblandpartE.itiscompletelycomposedofneurons2.TheopticdiscA.locatedintheblindpartoftheretinaB.isformedbytheopticnervepiercestheretinaC.issensitivetothelightD.foveacentralisisitscenterE.lieslateraltothemeculalutea3.TheirisA.isthelargestpartofvasculartunicB.dividesthechamberoftheeyeintoanteriorandposteriorpartsC.meetswiththescleratoformtheangleofanteriorchamberD.canalterthecurvatureoflensE.isposteriortotheciliarybody4.ThevisualacuityishighestatA.parsiridicaB.parsciliarisC.maculaluteaD.opticdiscE.foveacentralis5.TheciliarybodyA.isthelargestpartofvasculartunic.B.dividesthechamberofeyeintoanteriorandposteriorparts.C.iscolourlessandtransparent.D.hasaanteriorportioncalledtheciliaryringE.containssmoothmusclefiberscalledciliarymuscle6.TherefractivemediaofeyeballdoesnotincludeA.corneaB.scleraC.lensD.aqueoushumorE.vitreousbody7.TheaqueoushumorA.isformedfromtheciliaryprocessesB.fillsthespacebetweenthelensandtheretinaC.playsthesupportingrolefortheretinaD.canalterthecurvatureoflensE.absorbedmainlybythecornea8.TheconjunctivaA.isanonvascularstructure.B.isnottransparentC.linestheinnersurfaceofeyelids(calledbulbarconjunctiva)D.linestheanteriorpartofsclera(calledpalpebralconjunctiva)E.encirclesaclosedcapsule(calledconjunctivalsac)9.WhichmuscleturnstheanteriorpoleoftheeyesuperomediallyA.rectussuperiorB.rectusinferiorC.rectusmedialisD.rectuslateralisE.obliquussuperior10.WhichstructuredoesnotbelongtothemiddleearA.tympaniccavityB.auditorytubeC.mastoidantrumD.auditoryossiclesE.vestibule11.ThetympaniccavityA.isaclosedcavityintemporalboneB.thejugularwallistheanteriorwallC.theauditorytubecommunicateswiththetympaniccavitythroughthecarotidwallD.thefenestravestibuliandfenestracochlealocatedinthemastoidwallE.thetegmentalwallisthemedialwall12.WhichstructurebelongstothebonylabyrinthA.thesemicircularductsB.theutricleandsacculeC.thecochleaD.cochlearductE.Corti’saparatus13.WhichstructuredoesnotbelongtothemembranouslabyrinthA.thesemicircularductsB.theutricleandsacculeC.thecochleaD.cochlearductE.Corti’saparatus14.WhichonecommunicateswiththetympaniccavityA.externalacousticmeatusB.internalacousticmeatusC.bonysemicircularcanalD.cochlearductE.auditorytube15.ThebonylabyrinthincludesA.bonysemicircularcanal,vestibule,cochlea.B.bonysemicircularcanal,vestibule,cochlearduct.C.tympaniccavity,vestibule,cochleaD.cochlearduct,saccule,vestibule.E.cochlearspiralcanal,tympaniccavity,bonysemicircularcanal.16.TheauditoryreceptorliesinA.maculautriculiB.maculasacculiC.cristaampullarisD.vestibuleE.spiralorganPERIPHERALNERVOUSSYSTEMWhichnervecomefromlumbarplexussciaticnerveinferiorglutealnerveobturatornervepudendalnerveposteriorfemoralcutaneousnerveWhichnerveinjuredcanleadto“clawhand”(爪形手)?musculocutaneousnervemediannerveulnarnerveaxillarynerveradialnerveWhichnerveinjuredcanleadto“Ape-like”hand(猿掌)?musculocutaneousnerveandmediannervemediannerveandulnarnerveulnarnerveandaxillarynerveaxillarynerveandradialnerveradialnerveWhichnerveinjuredcanleadto“wristdrop”(垂腕)?musculocutaneousnervemediannerveulnarnerveaxillarynerveradialnerveAfallontheelbowfracturesthemedialepicondyleanddamagesimportantadjacentstructures.Amongthedeficitslistedbelow,selecttheonemostlikelytobeencounteredinthispatient:inabilitytoflexthewristinabilitytoextendthewristinabilitytoopposethethumbinabilitytograspapieceofpapertightlybetweentheextended2ndand3rdfinger.inabilitytoabductthewristMusclesinnervatedbytheobturatornerveincludeallofthefollowing,EXCEPT:gracilisM.adductorlongusM.pectineusM.,obturatorinternusM.obturatorexternusM.Theinnervationofumbilicusis6thintercostaln.8thintercostaln.10thintercostaln.1thlumbarn.2thlumbarn.ThephrenicnervedescendsinfrontoftherootoflungbehindtherootoflunginfrontofthesubclavianveinbehindthesubclavianarterybehindthescalenusanteriorTheanteriorbranchofthefourththoracicnervespresentsaboutthelevelofsternalanglenipplexiphoidprocesscostalarchumbilicusWhichdescriptionaboutphrenicnerveiswrongcomefrombrachialplexusrunbetweensubclavianA.andsubclavianV.godowntheanteriorsurfaceofanteriorscalenemusclecontroldiaphragmrightphrenicestoliverandgallbladderConcerningner