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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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xeidM evsonu ngxeoy sonenti is hte tuanmo of nyxgeo odnub ot mhogoiebln sa ti trnesru to eth rtgih eisd of het haret tafer ilrvnaegt ot eht uessits.

eDdeascer eoxgyn ldvieeyr ot teh seussti due ot secdeedra icaadcr utotup edlas ot the tuseiss tgatexnrci rmoe xonegy omfr eht gnissap CBsR atnh tehy lrlmaoyn wodul, hcihw aecesdrse teh ealvlor emxid seouvn ynxoge onients.

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pparalpha  A ullfhep qeuiotna si e=rOaCt fo O2 arinmtosounpit(rec/la O2 vecnsoounett-n O2 n:ct)eton cFik ppnriecil I f OC si e,daerdces neth eth rdffcienee tewnebe errtalai O2 ennttco nad osevnu 2O ntecton si radcsniee +19
misterdoctor69  To rilyafc a ltteil ,tbi eht itesuss wnoutd'l einacerlsys taxcret MORE xeynog fomr eht isapsgn RCBs hant htye lomalynr odu.wl eThy wudlo exatctr eht seam notmua as hety lalnroym uwdol to acrry uot irthe now t.funcsnio eewr,oHv eebuacs eth sgartnti aoutnm of O2 diedlveer to stesius is rewol, 'oduy den up whti elss 2O dbuno ot gbenoomhil iergunrnt to teh hirgt erh.at +5
doso2222  Hreta filaeru ;t-g&- dereadesc cacidar tuptou --g;t& werlos olbdo rliautnccoi tiem lbod(o is orme gnatsna)t --&tg; trteasnal ot redncseai ngexoy oarxttecin by siutsse and thferoree oerswl neoxgy eionnst by teh ietm it rsnerut ot eth rtgih rat.he +



 +2  upvote downvote
submitted by โˆ—kentuckyfan(47)
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I teg wyh the edimx souvne gyoexn ensnoti d,vdaeo.ce rrHews,ee 'tisn the eimyssct cvruaasl rnsaicstee osal adde?serce

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yb_26  o,n scaederde CO =;&tg rippheelar sncsiovoctrtanoi &t;g= VSR llwi be ascerinde +8
yssya1992  No SVR lilw saeericn deu to SAAR dna SNA shatt ywh ew ersaceed odrflatea ni FH emntetatr ( ,IAEC RsBA ) +6
snafull  l'tnoWud uampyrnlo raslacvu antcrseise oals eb creeaedsd rhee ude to aouprlmny oliantsiaodv in the segnitt of na MI? +
cienfuegos  u:@nllfas my iliiant thtguoh is that we ulwod ees pnayoruml voiccniaontrosst eascebu of the tealvrilye owl xgyeon tsenion tht(a rsutsel rfom the olw cairdca .)oputtu +3



 +1  upvote downvote
submitted by paloma(10)
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tWha about lpymurnao ralavcsu sn?istrceea tI loolfws the esmycits rlavuacs sitaesc?rne

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cooldudeboy1  rcckelas aer edahr atblaleilry os rethe is mlpu tohpa chiwh lseda ot ieracndes mpul cursavla st,nceiaesr enics etsicysm oldob folws iotn the .lgsun ay n cbokl ni eht lwof ehdaa )uns(gl wlli sinracee enascstrei ni wlfo dibnhe ( yiscemts ) +4
mrglass  iThs atpient si poixcyh nrsadceei fnfidusio a.idcstne sTih suaces mynoprual oancoitrnst.oiscv iydailrrnO isht peseonrs is desgedni ot nsthu dlboo ot pastr of teh lnugs hatt era wlel vnetd,iltea btu het sspoeren si dtlaavpaemi in lbgola oxhaipy +4
happyhib_  I dont ilebeev aecreedsd vseoun oxgney nitenso loudw aedl ot yrolnampu svonootistrcianc h(sit is yyticllap in eth gtseitn fo low OP2A uyo ese i;hts ihtnsung oobdl ayaw ormf poyolr aengxydeto ia.olel)v You cna teg to aiedcrsen uynmroapl vrascual nsirteaces ude ot puml edeam rfom Lfet rahet inaiflg ednlgia ot diful revoaldo in mlup svar)eluat.cu +



 -5  upvote downvote
submitted by โˆ—hayayah(1212)
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dxiMe vnsoeu engyxo trouiasnta (S)Ov2 is edsuarem in hte aulmopnyr aetry.r SOv2 pslesam eth eurt miedx ouvesn doblo ngveial the trigh tr.eah terusaneMme of dimex unsevo egynox anttisuaor S2O(v) omrf the loaunrpym yetarr ahs been evatcddao as an tidecnir ndexi fo tsiuse anogxtiyoen.

nI darnocegici sohkc uoy veha sedecrdae CO gt&;-- ceddrasee O2 devriyle tg&-;- eraeesddc v.O2S

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