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NBME 19 Answers

nbme19/Block 3/Question#22 (reveal difficulty score)
Blood gas values: arterial O2 ...
Anemia 🔍 / 📺 / 🌳
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 +24 
submitted by frimmy_11(2),
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Mogttnil adn ntiogsfen of ertrniao lwal no uaopyst setgussg it aws nto oelrd hnat 24 .hsr aDhet mfor ltaaf rmhtyairha lkie fi-Vb somt cnmolomy roucsc nhwiit noe ayd fo het .MI thTa ,isad onec acrs sah edmorf in rcaladmiyo suetsi ,it oot, can cusea tryair.mhah


 +15 
submitted by cassdawg(1749),
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This si ym bste atoirnetntrpei hiwt a sroeuc dna apghrapra rfom teh uoecsr dsl:ite

In i,mnaae mlhoenibgo lbaiaelav si esdcradee. sTih eussca srdeaceed oyexng binngdi, nad lluemitayt essl oyxnge si vaaiaelbl ofr esaerle onto usei.sts

  • PaO2 iwll be ilh-mnoasr aeubesc hte aatrlrei oodlb llwi slitl eliibutreqa ni teh ulnsg even tuohhg teh ihnlbgemoo gnibnid si sceddaeer k(nhit of CO iigpnoosn wreeh aO2P olkos .aom)lnr
  • ireAalrt O2 ttneocn si ualaclyt csededare eabsuce rehet si essl yneoxg lotat vaalbaile ssle( mblooiheng ubdon ot eo)xgny
  • Medix neuosv 2O nteoctn %)( is ederecads orf a limsrai seonra nad osla ofr eth naeors tsldei wlbeo
  • ouesnV 2PO si ylhtsgli edasdecre aecseub rthee is irhgeh genxoy cnaoeirttx at eustiss ude to eht pmneoycarsto smhecsmnai mofr ssle ottla O2 bngie dielrvede adn lses 2O enibg leodndua ecs(ni theer is lses eaomgnilhb dnubo 2O ni the frits cealp in enmaa)i
  • 2OPC si saol-hmrin orf iarsmil nosrsea to teh fitrs luetbl

"eTh ilacoyctrru sjedasutmtn ni sposrnee ot eanaim liwl be simaril to oshet fo eth degncreip .asec In reord to iinatanm tiessu xgneyo tnnpusmcioo ta iaenlbes vleesl etocsiadsa whti a onalmr enoyxg ancirrgy yacitcpa of lb,ood hte trenciudo in nxeyog yilerevd lwil ldea to na ianecsre ni yalcilarp sorpeif,nu dna ngyeox tneicxotra liwl casire.en oleaAirtrr diotanil dan issiyctvo ocrutdnei fro( teh csea fo a tcrndeuoi ni H)ct iwll euasc obodl owlf dan gxenoy rvedeliy ot er.nciesa hotB xengyo rettcanoxi dan gxeony dievrlye lwli onutienc to srieneac tilun the gxynoe estrqnireemu of the issseut rea tem or iutnl eht acyatcpi ot eiescnra onygex toeiacxrtn nad evdrleiy sha bnee hcedea.r eTh sgnutrile niatistou is eon in hcwih nsvuoe xynego ctnntoe nad OvP2 are sels anth olman.r Secin aP2O is alnrom rfo lal het ncemia ottsasiuni nro,eicsedd sith fecetd si nto eesnds by teh rraeystprio rret.echesocmpo h,suT cennriisag the pndiesri oygenx icratfno is otn fuhllpe eexptc for hte eacs of CO ingnooi,ps erweh high sreidipn noxeyg g.e(,. 0%01 noyexg ta timeabn tcrrbmeioa psurrsee ro ancetmpel of het jsectbu onit a hbeaipcyrr bcamre)h eectpoms iwht CO idginbn ta eht hmee tsei leaclr( dHa'ansle tirfs wa)"l. - 1ogtnw5oB../4oiKkv.ihn1./b3ntmc/ssw/bwNp:l/h

blueberriesyum  slA,o ni ifrts iad rayrirspote hpaertc ofr mniaea ti y,sas bH conc si low, %2O ast is ol,nrma iossevldd onyexg )O(2Pa si olrmn,a but totla O2 ecttonn si lo.w taTlo egonyx ncneott is eth smu fo ogenyx udbon to bH dna seoddsvli x.nygeo (FA 8012 gp 6)49 +1  



 +2 
submitted by an_improved_me(88),
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s,lAo to tenmiilea eht rheto insp:too

aotpitilvynoenlH uwlod aveh na iarensedc Cp2O nda addrceese O.2p

iHgh eittuadl ulwdo hvae owl ,PO2 low p2OC (letriepi)anoylntHv

VQ/ amhcimst ludwo olas vhea a wol p2O nad ihgh OC,p2 secin ssega are hgeci.gnaxn

iovpyletrnanHilte louwd veah a moalnr 2OP dan wol OP2C




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