NBME 21 Mixed venous oxygen tension (NBME Answers)

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 🔍 / 📺 / 🌳 / 📖
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+19 upvote downvote
submitted by ∗nicnac20(21)

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xiedM enosuv oygenx oetsnin is the munota of onyexg nodub to lembonhgio as ti rusertn to hte ihtgr sdei fo eht eathr raeft vtelargni ot eth is.stsue

escadeDre yxoneg reyvedli ot the stsiesu ude to aesrdedec cdcriaa putotu adesl to hte ustessi cigrtenaxt eorm gnyxeo fmro hte psiansg RCsB hatn eyht alomrlny w,dlou whhic aedescesr eth alvrleo mxide ensuov egxony oetn.nsi

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pparalpha A llfueph tuneaiqo is Ca=tOer fo 2O (optsnrluiamo/iacnert O2 es-ctoeovntnun O2 otntcn:)e ikcF pirceplni If OC is sd,ardeeec htne the ceifdefern eebwten lraerait 2O notcnte and osuevn O2 otcennt si aidneercs +19

misterdoctor69 To iclfyar a telilt tbi, hte stsuise ow'dntlu rsyicealnes acetrtx EROM yexong ormf hte iapngss CsBR anht htye lnaoylrm uwo.dl Tyhe dwolu crtaetx the esam tuoanm sa tyhe alrymonl dulow ot ryrca uot ihret wno cnfo.utnis ewrHe,ov ueecbsa hte sitatngr aumnot fo 2O evddierle to sseiust si lw,oer dyou' nde pu twih ssle 2O ounbd ot nhmelogoib nrtunrieg ot teh irthg t.hear +5

doso2222 Heatr uelfira -g-&;t asecrdede arcicda utoput --;t&g soewrl obodl laitcnuoicr meit bo(dlo si orme atgas)nnt ;t-g&- laenttsra to cseainred eyoxgn xotrnicate yb stiessu dan efoeehrrt eowlsr yexong stineon yb eht meti it truerns to eth rhgit eth.ra +

+2 upvote downvote
submitted by ∗kentuckyfan(47)

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I etg yhw teh exmid oenuvs ngyoex intseno e.ersee e,ddcowHr,va ints' het sctemisy ausravcl atsrnesice laso esdacedr?e

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yb_26 on, esarecedd OC tg&=; riehrealpp cntotoscvionsari >=; RVS liwl be aneidesrc +8

yssya1992 No SRV illw iacneesr ued ot ASAR adn ANS shtta hwy ew cesedrae arlfetoad in FH menetratt ( IEAC, BAsR ) +6

snafull udl'Wnto lornampuy lsavrcua eastcirnes sola be rdcedeaes rehe ude to rpuyaolmn laiosindaotv ni eht ginstet fo na ?MI +

cienfuegos l:alsf@un my taiinli gtuhoth is atth we wdlou see mnyrluaop snsotatroconivic abseuce of the leeilvrtay wol oyngxe eontnis atht( ltressu rmof hte olw adacric totu.)pu +3

+1 upvote downvote
submitted by paloma(10)

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hatW btauo ampyolunr auclarsv ci?aetnress tI oswolfl eht yismecst uacsavlr seratcei?ns

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cooldudeboy1 ccskrlae aer aherd atleyalrlib os htree is lump othpa chhiw ldsea ot aidencres mlpu lsacaurv c,stiranese sncei iyctesms lbdoo lfosw tnoi hte gulsn. y na cblok ni het fowl edaah (uglns) liwl eacsneri nisrtsacee ni olfw dibneh ( estsycmi ) +4

mrglass Tshi aitnept si oihcxpy nscideaer finoidfus isdet.anc shiT sucesa yomupnral a.oviiscnnottocsr rdrnalyiiO ihts oprnesse si sddegnei ot shnut boold to trasp fo eht lgsnu ttah aer lwel tl,vaeentid btu teh roepnsse is iatmveladap in glbalo payihxo +4

happyhib_ I ntod ieveelb drscedeea uovesn egnoyx esntoin udolw alde ot mylprnaou rttaicvsoosinnco (tihs si lpltyayic ni teh gtinets fo low PA2O ouy see tih;s nngushit oldob aawy fmro orypol teoagdeyxn .iveol)al ouY acn gte ot eicsreand nmaurlyop cavaruls ectrensasi edu to ulmp ademe from Ltef ertha fliaing adileng to duilf dlrovoae ni mupl l.asruuca)etv +

-5 upvote downvote
submitted by ∗hayayah(1212)

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xdeMi nuesvo gnexoy tnarsitoau )(S2vO is eadumers in hte aropluynm aryetr. 2OvS apslsme the teru dxiem nouves olobd evinlga hte hirtg .rehta amuMerneets of dixem vsneou ngyexo nrattiusao O)v2S( mfor the orlpnuyam reyart ahs been cdatavode sa na icndeitr eixnd of euists txneinyoa.go

nI caonieigrcd sohck ouy veha dasrdceee OC ;--&tg resdacede 2O yelderiv g-t;&- deeasrdce v.2OS

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