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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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ee'Hsr an ltcleeexn emiga frmo SBMSAO if lopepe rae gnahvi cyilffitdu iuglnsziiav it:sh /pt/.oQV/smm/mct:hhiWurRmga

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lovebug  yrve fhpulel! k!shtna +


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 +6  upvote downvote
submitted by jotajota94(14)
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ADP flosw rfmo aaort ot lonpmrayu tyrear srnageecid eharaferfrTtoeedo .l aadrcci uutotp aeesnsirc

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seagull  nodtes eodpl-ar olas ascedere hihwc dwolu podr het .O.C? +
hungrybox  alseulg@ I intkh ti ouwdl iraecsne ldeoapr /bc oemr bdolo si ggnio ntio hte muronypla raeetisr >- lgsnu -> moprlyanu vsein >- yevlultena rome lbdoo ni eltf irea/ttiemnrlcvu -> icn aoredlp +63


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 +6  upvote downvote
submitted by heavy_neighborhood(6)
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DAP wsolf rofm teh oArta ;&=t=g ulmoPryan ar,teiers yb snsiapg eth VR so eterh si no ahngec in 2O in teh V.R

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felxordigitorum  The "taesl" fmor the raoat gidnur itdslaoe sqiurree enadiesrc raidacc uottpu to moes.naptec mterEleyx maretepru nanifts heav liiemdt lbatiyi to iesrcane terkso luevom adn thus eus asrcndeei aetrh reta to cisareen rdcaica p.ututo p.:mt5//niiBlbo8.hosnk/s/wbo4g.Kw07nhcwtN/3.v +2


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 +2  upvote downvote
submitted by didelphus(70)
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A PAD nyaesslilet rteasec a f-hhgliwo rehat aelruif auottiisn ni het ba.by niSce a arctofin of the VL tuotpu si tudnrere ihtuwto ncgiareh teh oybd, in drreo to tmiannia a nrmola CO to eth ybod eth left tenircvle tums upmp a hehirg u.movel Tish ludwo alos ucsae hghrei tnha aormnl naolmyurp liarcpyal fwlo.

I kinth esom fo eth rhoet ieqnotsu ear ggniett at the iaed thta ew 'ndot kwno the drciioent of ofwl rof .reus fI the ofwl swa autog,n-atsg&r;-l hte esitmscy P2O udowl eb arolnm nad VR P2O gh.hi utB if s'ti io,epsotp het eisppoot wdluo eb reut.

iencS sAPD rea inmtnadiae by P,2EG thta lwoud uttnoeribc to a lwo lrrepiheap curaaslv .seasrcntie

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didelphus  rohaetn* ersu etdno hatt isth uoltw'nd pctima VR onyxeg uaebcse hte olobd si addde ot teh umroynlap teyra,r hcihw hsa ietxed hte VR. +3


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 +0  upvote downvote
submitted by moneysacs(3)
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hyW is oesd a DPA etrfa bthir rsleut in rhhe"gi tahn rlnmao felt ucnertivarl crdciaa po"uttu voer cideneasr hg"irt nuertlcvair O?P2" Dseo teh ulpm atrrye g-t-&; arato hstnu boceem dvesreer trafe bih,rt os hgiehr oxngey ataor oobld dowul oflw akbc ntio teh hgitr r?ticevlne I egt ttha rome olodb uolwd eb uepmdp ot eth tlfe ncelrvie,t lrenistug in HHV/RV,L tub 'dotn dasedunrnt hte O2 bti.

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usmleuser007  1) hreigh nhat lmanro CO /bc obold si hnsduet mfro aorta to nlyrapuom .rateesri hsiT dlobo si added to teh vlemou tath swa uedmpp tnoi het ayrlpmuon iretsrea by het VR. oNw ewhn the etyagxdeon ooldb neustrr to the LA & L,V het 2O tcneotn olduw be ergreta t/d gherhi loobd vmuel.o lAos ofr atht saem nresoa eomr oobld is nntrieugr ot eht VL /t(d LV eumlov lpsu afncoirt fo VR .mlu)eov sThi cdrieeasn the Rg - .th>Oi- C fLte snhtsu haev tela nyissaco cb/ hte VR is gnshupi siangta eht ecsesx perrseus eadgrntee by teh .LV sThi edlsa to nnErmegesie enydrmoS as RV neaglers dna sespuh agntasi eht srepruse rmfo teh VL in teh P.DA shTu snhfigit efLt to trgih to githr ot tfLe adn tuhs teh teal yacsosni +2
temmy  The natamoy is ytrlamnrupaooa- plauryyr-toreman lsnv-teief mit-utrafel oNenvicceerttli htat eht obodl ddi not emco ssocra eht rhtig thera ta all dna ubsacee fo eth LFET TO RTGIH suhtn of eht ,APD ew add oemr leoumv to hte FETL .esid Hcnee eth diseenacr ltef nvitrcaleru ttuopu +2


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 +0  upvote downvote
submitted by masonkingcobra(408)
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Lkin

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necrotizingfasciitis  Gonig fof fo eth tenmscmo ploepe ahev eoptds oevba & adkni rnignbig ghnsti totgP AehDe: r oswlf mofr taaor to uyoprmanl irte,rsea iwhch vsseerre retaf ibtr.h Thsi menas -oenadeexgydt dbool wfol ormf het oaunrylpm eaetirsr to hte toraa & ssel mlveuo nbige etns to eht FL sdei fo hte .atreh i Ths eruslts in a rdedaesce eaadotlrf aeebscu rhtee is slse bolod ifowlgn ofmr eht sunlg ot ile-rfl the FL ,ltiencver & teh harte si litsl gppuimn htiw teh mase ofrce sa f,ereob so het aems lueomv of odlob si igenva,l ubt essl ni etgrenni teh LF dsei fo the oa mF. rhte r ehre, uyo esu CO = SV x H S RV = dlapore - tdrfaeoal (cwhhi is dacesrdee ude to teh )i hPD A Ts srestul ni VS nbgie lragre ntha rla,mno os wnhe you ugpl that iont CO = SV x HR uyo etg a hrgehi rumbne rfo daricca .otputu +
didelphus  eTh sctduu rosisterau slfwo rfmo PA >-- raoat in teour to sspbay het ,lngus hhcwi ahve eyetxreml high ceirestans to wof.l ihTs veserres aeftr rhbti due to a odpr ni PGE2 ihw(ch asw dlpupise yb hte )apntecal adn enasirec ni d-flestedi mestyisc teesn.aircs So a PDA ltaipcyly flsow toara >-- PA agisn(usm eerht rea no ohert dtsc).efe +


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 +0  upvote downvote
submitted by jandj19(0)
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Tihs is a very lcoo ntcepoc dnxiaelep in hte pRadi vRewie aophotlgy kb,oo pega .275

s-Ldtefdei to dihtergsd-i rthea nhsust sletsur ni oemluv loedoavr ni the tghri dsei of the aetr,h wchhi rsicaeesn VL umvleo ao)eld(rp ude ot omre lobdo nterirgun omfr eht rigth rathe to het elft eht.ra An reseaicn in VL aerlpdo is qalue eomr cracdia toutup dna mero rwok ofr teh .hrate trLae ni elif ttah lliw edla ot na tcrincece eytp of VHL ithw easedcre ciaarcd tu,upot mprolyanu niopthsrenye nda a cnicrocnte VRH edu ot ghhi fadoretla htta the ghitr terah ahs ot pmpu iat.snga

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 -1  upvote downvote
submitted by djinn(6)
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Low efdtlaaor &t;g ghhi CO

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 -2  upvote downvote
submitted by hello(429)
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siTh si eht aatucl rtcorec niot:pnxlaea

ADP esusca blood ot lofw fmor icgnndedes orata ot teapnt uudtcs aorssrteiu otni muarylopn iiatlconcru r-t"e)t"ofithlg(-

The lase"t" mfor hte traao ringud ledsoait rerusqie risecaedn accdrai toputu ot motcnpaese to dvrliee aeaqtedu ntamuo fo ooldb ot rtse of doyb

eruocS: mp/t.won/ihcw5gskh.wo0/ti7vsBb:bn3Kl8/..onN/4

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fkstpashls  'sIt L ot R +2


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