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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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idMxe ovseun gxyeno intneso is het mantou fo exogyn unbdo to hoinbolgem as it urnrtse to hte trhgi esid fo eht aetrh erfta iltnevarg ot eht suis.est

daseDreec xnogey velidrye ot eht siseust ued ot csdeeadre raacdci uptuto asdel to the sisuset ncegxtrati oemr nxgoye fmor hte nasgpis sBRC ntha yhte lymlnaro ,odwlu ihhwc sdrseeeac het lloerav edxmi vsoeun xnygeo osnenti.

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pparalpha  A lhupfel teuinaoq is =tOarCe of 2O i/aaitconetlrsruo(pnm 2O toe-ncsnuenovt O2 tn)ontce: iFkc iiplrpnec f I OC is de,raceeds tnhe teh ifdcereenf eenebwt eilatrar O2 teontcn dan seuovn O2 entcton si ceasedrni +19
misterdoctor69  To crylfai a ttleil bit, eht usseits 'wtulndo ansryiecesl exatctr RMEO ynoxeg mrof eht gisnspa RCBs tnah htye laorylmn .owuld eThy uoldw rtteacx teh seam nuoamt as yhte orallmny dlwou to arycr uto rieht wno fn.tisucon veHeo,wr beausec het atirtnsg uotman of O2 ldvieeedr ot tseiuss si oel,wr oy'du den pu ihtw ssel 2O boudn ot bleinohmog gnrtneuri ot het rihgt ahret. +5
doso2222  erHta lirefua t&;g-- sdaceeerd iardacc ttpouu tg;-&- rseolw oodbl naurctoilci mite d(bool is orme ans)atntg t-;&-g earatltsn ot ceaidnser yogxen trtxecaion by ssitesu dan rethoefer wlsero noyexg nseinot by het etmi ti snrurte to the gtihr aeht.r +



 +2  upvote downvote
submitted by โˆ—kentuckyfan(47)
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I get hyw eht imedx nsuvoe yoenxg oisntne wvees,dod aHrcee,er. tis'n eht yicmtsse uclrvasa srneeascit losa sedd?reaec

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yb_26  ,no seceraded CO &t;=g eeiplrhpar scinootavirnostc >= SRV iwll be niereacds +8
yssya1992  No VRS ilwl ascnriee ude ot RAAS nad ANS ahstt wyh ew esdeearc fradoltae ni FH meetrantt ( EI,CA BRAs ) +6
snafull  outlnWd' ylompranu rclsvuaa ctaeissrne olsa be dasceered eher ued ot onpmarlyu ladaivstnooi in teh itntesg of na ?IM +
cienfuegos  @llsfaun: my nlaitii hguhtot si ttha we owlud ees plymoarun tornciacssoitnov seceabu fo eth leiveayrtl owl xgoney niosnte t(ath suserlt romf hte low aidcrac )to.puut +3



 +1  upvote downvote
submitted by paloma(10)
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Waht utoba nryluoapm slurvaca ic?aeetrnss tI wlsolfo eht ystciesm lvrascau encesas?rit

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cooldudeboy1  sclcaerk are erhda yairltlelba os teher is pmul phato hhwic dalse to iresacedn lupm lrucavsa scs,eienatr icnes ceimssty dlobo lofws iton eth sgl.nu n ya bkocl in the fowl ehdaa n)lg(us iwll rcaienes nsaceersit in oflw dbnieh ( issymect ) +4
mrglass  shTi tenptia si cyxiohp ndrsciaee idifuosnf asedtin.c Tihs caseus ouynaprlm oosirnnovcictats. dinryrialO sthi nessoper is sdnedeig to sunht bodol ot pasrt of het sungl htat rae wlel evt,dlenita but eth snerspeo si elaativapmd in lgalob xoiyahp +4
happyhib_  I tdon leviebe deacersde uenosv geoyxn tsennoi lowud aedl ot rmlynpoau stovtoinicnasroc tsh(i is apicylytl in teh ntiesgt of low PAO2 oyu ese ih;ts snhutgni oobld away form lyoorp eytxondega lavo.l)ei Yuo can tge to aeesicdnr aluprnmyo arcvluas ctarsienes deu to lmup meade mrof teLf retha ifgnail edgnlia to ilduf ldaerovo in ulmp rteu.alvacsu) +



 -5  upvote downvote
submitted by โˆ—hayayah(1212)
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eMidx usnoev xneogy asotauirnt S(v2)O si meradseu in het mnruoaypl t.raery SO2v mplaess eth uert xdeim osvuen olbdo ivgaeln het irthg treh.a atnueMerems fo eximd ounsev enxygo ottnusiara S)2O(v fmro hte mayplnrou ryetar has enbe deavotdca sa na rniiedtc dnixe of ssueit nxeoitgaony.

In noiderigacc ocksh uyo haev edcdesaer OC &t-;g- raedeescd O2 lyervide g&t--; eedaredcs OS2.v

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