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Retired 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 / ๐Ÿ“–
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 +43  upvote downvote
submitted by โˆ—hayayah(1212)
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the jimyrota fo bocrna deidxoi umeoslcel are iecrrda sa ptar fo eht nctabairebo rfbfue m.syets nI ihts stmy,se nbrcao oiieddx iufsesfd oint hte CsR.B oiCcbran areaydshn AC)( wtnhii RBsC ycilkuq vrtnsceo eth oracbn iidoexd tnoi rocbacin dica H2O.3)C( Ccinarbo cdia is na lnbatuse aieemtreitnd ceolmlue that eidmamytlei doietscissa inot rbibocaneat inso (-CO3H) adn dneryhog )H+( isn.o

The wnyel yntzehsieds aarbbnoietc noi is tdprtseroan tou fo eth CRB nito eth msapal in agecenxh orf a hcireodl nio โˆ’l(C;) tish si eladlc eth ldhricoe hsfi.t Wenh hte odbol aheresc hte ulgs,n the necaitaobbr ino is rrteostnapd cbak toin eth RBC in ngheaecx rof teh cdrieloh on.i hTe H+ oni tsescsdoiai romf the gmnhiooelb nad ibsdn to eht nirbocabtae i.no shTi erodcpus het irocncba cdia dmt,reeiienta hcwhi si ronetcedv bcka toin cabnro edidoxi gtrhhuo the zayteminc tiocna fo C.A The nabroc idxdoei opcdeurd is peleexld ghuhotr the nugls guidrn oexaithnal.

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hungrybox  nmgzaAi na.pixoeltan Thkan !uoy! +2
namira  ni ecsa nenaoy atnsw ot iauizelvs ..ntg.his 2/W2tnhfWl.oQu..V-o/iepu6/fpetsgzyhf13gtaYu:rmcq +6
ergogenic22  OC2 is rrdiace in teh bolod si dnbuo ot oine,hbogml nwkno as oinigaorhoecmlbanmb OH(C2)b %,)5( vdldiesos O2C %()5, bibacr is 9%0 +5
pg32  eicN a,ntaxlinepo tbu anc nayeno alyicfr woh we nowk omrf eth tsiqueon that ew aer angiresum 3OHC thrrea tanh idesslvdo CO?2 +3
qball  @gp32 sThi usotqien is nisgak tbuao thwa oancstcu fro the AERRLG tamnuo of o2c nda the HCO3 rffbue is atuob 8%5 of this ptntorasr and sdseoilvd C20 is obuta .-%57 2o.iltots.oitlpeot--/ha-dpfcl/ni:lerrneo/eccddhmhg/bootaso/iyitnbw-gr/csobnpx--un-semanrumaorre +5
teepot123  fa 91 gp 656 +2
surfergirl  t"omrayji fo lbodo OC2 is dacrrei sa H3O-C ni the lmsaap". I eguss thta si all hyet'er ttesnig us n,o stuj ni a yver dlontcevuo .yaw +
realnorthomfs  AF ,0220 6p70g +



 +3  upvote downvote
submitted by โˆ—mcdumbass(28)
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I hutghto ttohguh ngesarumi a sag in eht obldo olny esurmsae lriptaa epruress fo doevissdl ags ni eth dobol

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schistosite  Yahe, me .thot.eo. caft htta ethy xeecpt su ot smeusa ttha 3COH- is tuonedc in htrei tmeemuesarn fro OC2 icoonenantrct si esylltuabo bdrua.s +3
happyhib_  hyte llte oyu ermudase si doarun 42 and 22 ro msoe bs tub vegi ""m;M fi uoy kloo at eht lab teseh CO3H hsa a siutn in Mm adn omlran si 222-8 = yteh rea ont juts inklogo ta tpriaal rre's.psuse +2
an_improved_me  aY..,e gsupinSryil in n,iiccl ehnw oyu rae gauirnesm amorpntit pesrmaeatr ni eht oodlb nhtik( -ehnfsbio ra)iga,md ouy ltaylauc eus OC3H- sa na axapoitmirnpo rfo CO2 ni the olbdo os( ouy use eth aevul in O2C hwne nlgatcaiulc ikel hte nnioa gap ro osthmng)ei +1



 -2  upvote downvote
submitted by mafoo_xtreme(12)
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Fro SB:'Rs

At hte :ungl l-C tu,o O-C3H in

At the isstsue: -lC ,ni O-CH3 tou

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