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Retired NBME 21 Answers

nbme21/Block 1/Question#28 (reveal difficulty score)
A 47-year-old man is brought to the emergency ...
Mixed venous oxygen tension ๐Ÿ” / ๐Ÿ“บ / ๐ŸŒณ / ๐Ÿ“–
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 +19  upvote downvote
submitted by โˆ—nicnac20(21)
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ieMxd nvouse yegnxo niensto si het mntuoa of onexyg ndoub to ngebiolomh as ti rrenuts ot hte tighr dise fo het aerht frtea rngvilate ot hte sui.ests

craDsedee ognyxe vilyedre to eht eistssu edu to saeredced ardacic ututop ldesa ot eht susteis xtrcntaieg rmoe gnoyex frmo het ainsgps BCsR hnta hyte arnmllyo dowlu, whhci rsseeaecd het laovrle mxide vosuen onyxeg st.einno

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pparalpha  A pluhelf neqoiuta si aer=CtO of 2O roiaectn/murnasoltp(i O2 onu-covetnnets 2O etno:)tnc Fkci lcpepniir fI CO si eddrc,esea enht eht denreieffc tbnweee irreatla O2 ncettno dna sunveo 2O ntotcne si iscernaed +19
misterdoctor69  To friacyl a tltlei it,b teh etssusi lonut'dw iealsnscery ctxaert MERO gnxyoe rfmo het snsgiap sCBR atnh ethy oalynlrm dowlu. eTyh dwulo ecartxt the sema utamon as hety arymllon wdulo ot rrcya tou tehir own ostcfnuni. ovew,erH eubecsa the rtnstiag unmtao fo 2O ievedlred to ssuties si er,wlo oy'ud ned pu itwh sles 2O nbdou to nooleimbgh uiengtrrn to teh tgrih .treha +5
doso2222  rteHa eruifal -&;-gt eddeasecr idaracc tputuo g;&-t- rleswo obdlo clirntuciao mtie o(bdlo si oemr nsnt)taga &;-t-g retlstnaa to asndreiec exnogy nitcaxroet yb tsessiu and heefrreto slroew xyeogn nniseto by teh etmi it etrunrs ot the rhtgi er.hat +



 +2  upvote downvote
submitted by โˆ—kentuckyfan(47)
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I tge hwy het mxied vseuon oneyxg niostne rveee,oead ,d.wcHres t'sni eth tmyescsi aluvsrac rcentiessa laos seeracedd?

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yb_26  ,on aedcedrse CO t=g&; hrreilapep svatonirocnoscit =&;gt VSR iwll eb crisandee +8
yssya1992  oN VRS iwll rnceseai edu ot AARS nda SNA stath wyh ew ercasede fldarteao in FH tntmareet ( ,IACE BsAR ) +6
snafull  'tnWodul ynmaploru rsavcula ietascrnse olas eb csderaede eerh eud to ruopynalm istoadnialov ni het tsngeit of na I?M +
cienfuegos  nls:aful@ ym aiinlti tuothgh is htta we ulwdo ees urnlomapy soorccnntistavio ausebce fo het etaylelirv wol xgnyeo noisnet t(hat uersslt rmfo teh olw ccdaari t)pu.tuo +3



 +1  upvote downvote
submitted by paloma(10)
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Waht utoba parlnymou lacurvas csnaei?tres It oflwosl teh stemcisy avalsrcu scri?ntaees

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cooldudeboy1  klcscrae rea ehdra eybtarlalil os eerht si mulp hpaot iwhhc asdel to direcnase umpl lcvrsuaa ciensrase,t ecnis siymestc doobl swlfo oitn teh nlusg. yan coblk in teh wlof aahed u)lgns( lliw neiacsre iatscneesr in wlfo hndbie ( mtisyecs ) +4
mrglass  Tsih aettnip is icoxyph edicrnase inodffsui .ienstcad sThi ausces rnayolpum insoocnortascvt.i ldiOranyir siht eresspno is egdsendi to utsnh doblo to rspta fo eth nsgul taht era wlle t,nivaeedlt tbu eth oseperns is pidlteamaav ni gblola oihpaxy +4
happyhib_  I odnt ilebvee dsadeeerc uovsne eynxgo netoisn odwlu aedl ot naurylmop ocatnosotrcvsini his(t is acyiptyll in teh entgtsi fo lwo OA2P uyo see st;hi intusghn olbdo ayaw morf oyrpol ganydexeto av.olli)e ouY acn egt to inresecda plroyumna arvcusla rissaetcen edu ot plmu meaed rofm Letf eahrt ngalfii ndalieg ot dlfui ovaolder ni lmup uutveasl)cra. +



 -5  upvote downvote
submitted by โˆ—hayayah(1212)
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ixedM nosevu gxoeny tiorntaasu (2OS)v si rsedmuae in the lpmoanury rreaty. 2OSv spsalem eth ruet edmix eosvnu lbood glaivne hte igrht trhe.a sumnaeerMte fo xmedi svnoeu yenxgo sotaratiun vS2O)( ofrm eth pyanrloum atyrre has eneb dtadvoeac sa an ridticne xdeni of useits ntig.enoaoyx

nI ragcdiceoin cohsk yuo ehav crededsea CO g-&-t; edsrcdeea O2 veyidelr -t;g&- ceaddseer S.2vO

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