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NBME 21 Answers

nbme21/Block 3/Question#33 (reveal difficulty score)
Left radial arterial and venous blood samples ...
HCO3โˆ’ transported in the plasma ๐Ÿ” / ๐Ÿ“บ / ๐ŸŒณ

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submitted by โˆ—haliburton(228),
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rePadr ililW = eranPlta etdleoni tapil(ra or l)ful. dotNe orf rmn.inipgit iuCnso ot enmalnngA (oespoipt neoelit.)d

AF 021:7 25 % of sesac edu ot teralnma eptlanairun doimys otw( tlrmaleany imprtdnei gseen rae vice;erde no naaelprt ngee i)

submitted by โˆ—hayayah(1200),
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eth myaijtor fo brcnoa diodxei ucemoslel rae rcaeidr as tapr fo eth bctreiaonab berffu .yssmte In sith tsemy,s banrco ixodide sfdeiusf toin hte CBs.R aCcorbni aearhdysn C()A thiwin RCBs quyclki tnovcrse teh aronbc xdedoii noit orbcniac aidc 3HOC).(2 robanCic adic si an stleuban iinetatmreed cumlolee atth tlediymamie tssdieoicas onit raiacbotnbe niso 3(C)O-H adn oredhygn (H+) sion.

ehT elnwy ndhesyziets crtoanbbaei nio si tepnsotrdra uot of hte CBR iont hte mlspaa in nexehagc for a reloicdh oni ()l;Cโˆ’ tish is cealld teh leiorcdh it.hsf hneW eth obdol hasreec teh ,lguns eht ocnberaabti nio si stardornetp back noti het RBC ni cxhegnea rof het irhceold oni. eTh H+ nio acistosseid form eth ooilmngheb and isdbn ot the acabtorineb no.i hiTs ecosudpr hte iobcacrn iadc n,etdmeiraeti icwhh si erntecvod akcb oitn oarcnb deoxidi rghtohu het cznityame ocinat of CA. Teh nrocab odiixed oceurddp is eelepxdl hroutgh hte nulsg gdiurn taxoel.aihn

hungrybox  nagzimA eoniptaaxl.n kaThn yo!!u +2  
namira  in csea ynneoa tawns to ivluseiaz .n.g.shit +6  
ergogenic22  OC2 is riacder ni eth olobd si dboun to mbogilohen, onwnk as miaboogbnoilrncamhe b(O2HC) 5%(,) dlvosdsie OC2 %)(5, rcbbia is 0%9 +5  
pg32  ecNi atnlpeiaonx, ubt can eaonny aclifry how we wnok fmro eth ouesnqti ttah we rae isguaemrn O3HC rrhate htna selsiddov OC?2 +3  
qball  32pg@ ihsT nsuqiteo is nkiags uatbo athw ucsoanct rof eth RLGERA uotanm fo oc2 dna eht OC3H rfebfu si oubta 8%5 of htis trntasrpo and sldisveod 0C2 si bauot 75-.% rinprc/elmh//pc/stpwg.smnino-i2to-dt-orhr-etfhdbeo-aluoncn-/l:enodgobxr-bli/eyrteousasmt.iaoaoc +4  
teepot123  af 91 pg 566 +2  
surfergirl  jtamriyo" of bdloo OC2 is cidrear sa O3HC- ni the"l I sgues atth is lal t'heyer tegsnit su n,o utjs in a eyrv tcdenvoluo a.wy +  
realnorthomfs  FA 2200, gp670 +  

submitted by โˆ—mcdumbass(27),
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I gthotuh uhthotg sanuigrme a sag ni eth boldo ylon eesrsuam ailtarp prsrseue fo ivelddsso asg in eth bdloo

schistosite  Y,hae me ttooh...e ctfa ahtt teyh tecepx us ot emasus ttha O3C-H is ctneodu in ethri aesmetemurn orf C2O ttccanioonnre si etusllaoyb +3  
happyhib_  yhte llet you drameuse is arudno 24 nda 22 ro moes bs ubt ivge ;"M"m fi oyu kool ta hte bal teseh COH3 ahs a nsuti ni Mm nda aolmnr is 222-8 = ehty rae tno stuj gnkiool ta ipaatrl resserps'.u +2  
an_improved_me  ,e.a.Y irsgSuiplny in ncclii, wnhe uoy rae rnuseagim paiotmnrt sraeptearm ni het dobol (nkhit sno-fiheb )agd,mari ouy lyutlaac eus 3-COH sa na mopraiotnxiap ofr 2CO in eth bdolo s(o yuo ues hte lvuae ni O2C ewhn clcinlaautg klie the aonni gap or met)nogshi +1  

submitted by mafoo_xtreme(12),
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For Rs:SB'

tA eht guln: C-l ,uot -3COH in

tA het sis:steu -Cl ,ni 3HCO- uot

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