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Retired NBME 21 Answers

nbme21/Block 2/Question#5 (reveal difficulty score)
A 2-week-old male newborn has a patent ductus ...
Higher than normal left ventricular cardiac output 🔍 / 📺 / 🌳 / 📖
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 +9  upvote downvote
submitted by d_holles(218)
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s'rHee na lxceentel geiam ofrm MAOBSS if peelop era vigahn flitfyiucd naulzvigisi tish: at/gtu/h.mQVpom/iRmrWh:m/sc

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lovebug  evry hf!leulp !nahstk +



 +6  upvote downvote
submitted by jotajota94(14)
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APD ofslw mrfo oarat ot lnrapumoy etryar rgaicnseed hdt fTrrfa.lreeeoeoa ardicac ututpo nesiecars

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seagull  otsdne eardo-pl lsao casrdeee icwhh udlwo dopr het OC?.. +
hungrybox  leagsul@ I nkith it uwldo eiceasrn aepordl c/b mero bodol is ignog noit hte namlyorup iserraet -> ulgsn -> oluaymrpn vsien >- yuleelvtna mreo odolb in flet tvei/emnturarlic >- inc adperol +63



 +6  upvote downvote
submitted by heavy_neighborhood(6)
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PDA lswfo omrf hte rtaAo g;&==t umoynPlar tr,seaire by igaspns the VR so heter is on ecngah in 2O ni het .RV

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felxordigitorum  heT aelts"" mfor teh aroat girund soeiatdl ierseuqr cnedairse cicarad tuptuo ot e.setapmnoc mxErytlee apruemter tafnnsi ahev ditmiel iitaylb to sireenca ortsek umlove adn htsu sue nsradceei rathe reta ot ncrseiae darcica .putuot /oKo/chboii:vnlt.bN7/w5tsp/8m34ww.0kg.n.hn/sB +2



 +2  upvote downvote
submitted by didelphus(70)
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A APD nalytselsie sectrae a l-hohfiwg ehtar riauefl iittasoun in teh bab.y nSeci a ricaofnt of eht LV potuut si rerutden ttiouhw haegrnic teh yo,db ni erdor ot aaintmni a rnalmo CO ot eht oydb teh tfel vlintecer utsm pupm a rgeihh eu.movl siTh uwldo lsoa ausce hgrieh htan olnram mnraypluo iaalrpcyl .wolf

I iknht esmo of eht ohtre qenuisto are gegttni ta hte eida atht ew otdn' konw eth cirdoenti fo wlfo ofr sue.r If teh lwfo saw --<nr;,togaausg het issetcmy O2P uowld eb loanrm adn RV 2PO hgi.h tuB fi 'sti oippo,ets eth poetsopi dlowu be er.ut

iencS PsDA rea adeinmnati yb 2GE,P atht wdoul tcbenrituo ot a wol aelhirperp crsualav atiecen.rss

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didelphus  aeo*tnrh uesr dnteo tath tsih wul'dtno ciatpm RV eognyx bsuaece teh ldobo si eddda to eth uroapymnl rr,eyta hcihw has ixtdee the .RV +3



 +0  upvote downvote
submitted by moneysacs(3)
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hyW si soed a DPA eatrf brhit rleuts ni hrhgi"e ahtn rnaolm ftle nrtelaurciv acdicar to"putu vero sendarice hg"rit rteluncivra "O2P? esoD eth ulmp raeytr t--;&g atroa stuhn bcmoee esdrvree taefr b,irht so rhehgi oyexgn taroa lbood dulwo lowf cakb tnio het ghrti rcve?tnlie I tge tath remo obold woldu eb pudemp ot the telf tcveril,en leunstigr in ,R/HVHVL utb odn't arsudndnet eth O2 .itb

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usmleuser007  )1 ihhgre tahn anroml OC bc/ obold si tsnhdue ofmr aotar to alunmyrop eierstar. hTsi obdol si daded to the levmuo that wsa ppmdeu toin eht ourmnalyp reriaest by teh .VR Nwo nehw eht eedyxognat obold nuerstr ot the LA & L,V teh 2O enctotn dolwu be eraegtr /td rehgih odobl muelv.o olAs ofr hatt smea rnaseo mreo oodbl si griunrent to eth LV /(dt VL olmuve lusp oirfacnt of VR oel.uvm) sihT sinreadec het >O it-Rh gC -. efLt utsnhs haev atel soiyancs /cb hte VR si inushgp nitagas teh sxesce repusesr etagenerd yb hte LV. sihT adlse to giesmeennEr dymnreSo as RV nerlgesa and upsehs gistana hte sreuserp romf eth VL ni eht PD.A uThs ftgshiin tLef to tirhg ot itgrh ot eftL nda shtu the atel syoncais +2
temmy  The anomaty is mptora-aruoyanl -yrulaynporteamr fvlneiset- ruflte-iatm ocvNtere cltiine ttah het ldoob did ont ocem sasroc het rhgit earht ta lal and abecesu fo eth ETFL TO RIHTG untsh fo eht ,PDA ew dda omer mlouev ot eth TFLE .dies nHeec het dinreseca left tvecrrilnua opuutt +2



 +0  upvote downvote
submitted by masonkingcobra(408)
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kiLn

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necrotizingfasciitis  oiGgn off of hte mcntosem eeplop aevh edspto baove & akdin nggiinbr hsigtn gDAe: tP rthoe woslf rofm otraa ot nmulrpayo srtar,eei hwcih eressver fetra ri.tbh Tshi naesm d-eoenyetdxga bdloo wfol rmfo het oanlpmury atieresr to the taaor & sles olvuem inebg etsn ot hte FL esdi of eth trhae. h i sT tsursle in a dseeeracd laaoedrft eaubesc tereh si lsse dlobo flwogin frmo hte ngusl ot ile-flr eht LF vric,lneet & the haert is slitl pignpum wtih eht mase eorfc sa ereobf, so eht esam vuomel fo dbolo is ei,nvagl btu essl in nigetrne hte LF isde fo het F atrhe r o.m hree, uoy ues OC = SV x SV HR = lradeop - tloeafadr i(wchh is eceserdda deu ot hte TAPhD s )i tsursle in VS bngie rrgeal tanh onr,aml so newh uyo lupg htat onit OC = VS x RH oyu get a higrhe beumnr for aicrdac ut.ptou +
didelphus  hTe scduut osiuertasr sowfl rmof PA --> oatar ni eurto ot bssyap teh ngs,lu ihwch heav yleetxemr ihhg eascretsni ot ofwl. sThi seerersv eraft ibhtr ued to a rdpo in 2PGE hwci(h aws sedlpupi yb eht ta)elcnpa nad scnaeier ni fd-tsiedle sctsmiey nesis.ctaer So a ADP ltyyplcia slwof oarat --> AP (uminsgas ehetr rae on trohe .fesdetc) +



 +0  upvote downvote
submitted by jandj19(0)
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ihTs si a eryv oclo tepncco pdieanlex in teh apRid evewiR hgoltoapy ob,ko apeg 57.2

iLde-dftse to regii-sdtdh ehtar nhtsus sustelr in lumveo vearodol in het hgitr isde fo eth ,ethra hwhic raceinsse LV lvumoe pedla)or( ued ot moer olbdo rrintnueg from teh hitrg eahtr ot the eltf ht.ear nA eraescni in LV epdorla si qaleu mroe adcarci otptuu and eorm kowr for het rte.ha Laert ni lfei ahtt iwll dael to an ccitcnree yetp fo VHL ithw edreasce cracadi ttpu,uo uronlyapm nhpinoeyrset adn a oernitnccc RHV ued to hihg ldaoafret atth teh rghit threa sha ot ppmu aasn.gti

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 -1  upvote downvote
submitted by djinn(6)
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wLo aefroltad t;g& ihhg CO

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 -2  upvote downvote
submitted by hello(429)
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ishT is het aculta ecrtocr aoepxianl:nt

PDA uscsea dloob to fwlo mrof ediednngcs araot ot ttnape cuutsd trsraeuios tnoi ynaulpmor ltoarunciic )tft"r-l-("goethi

eTh et"as"l rofm eth roaat girund adsetloi eqsirure ecsnrdiae drcacai uttuop ot pteesmanco to vdeielr adeeuqat tmuona of dbolo to trse of obyd

Soeu:cr BwbNcgnh4p/:3.wn/bwlt.5/nk7soh.ii//tKvo0o.8ms

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fkstpashls  st'I L ot R +2



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