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Retired NBME 21 Answers

nbme21/Block 2/Question#45 (reveal difficulty score)
A 3-year-old boy is brought to the emergency ...
Synthesis of factor X (Stuart factor) 🔍 / 📺 / 🌳 / 📖
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 +15  upvote downvote
submitted by mcl(671)
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oNt ersu if isht is teh right ywa ot ikhtn tboua ,it utb fi PT and TPT era tohb gporl,edno shit tmos leylki nmaes tehre si a mrbolpe htiw hte onmcom awayhpt k(aa fatcor ).X

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temmy  .tc.l.xyaei tjsu htuogth eth eorlbpm ash ot eb ewehr eyth tmee ro sheorewme riamils to ecohnhbe..t teh mmocno yt(1aT2pwh PaT naepH)ri 7 TP(, i 9 an) Wafrr11 1 0 5 2 In1 my he,da tobh dsies are knoilog fro hte efpcret 01 +2



 +2  upvote downvote
submitted by msw(4)
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reeths a wlrudo oeuistnq kiel thsi ... ,, braoaanvxri nda retho tcrfao Xa stiihorbni oprolng pt adn TPaT tbu yhet tond fatcfe rtomnibh teim ... ehiwl ctdrei rnmbtioh ishriibont ornglpo TP TTaP nda ionTbmrh etim , sloa nnfcatroeautid ianphre lgrosonp TTaP nda ibmTrnoh Time clhlieo(ryaTtel it ldsuho rpnoglo PT too utb ni hte estt teh TP teeragn nocasnti rneipha azrruilsenet htta meiiinzm isth ftefce ) . osryr if this edeevr off seuocr a itllte

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 +1  upvote downvote
submitted by agurl1000(5)
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doClu osnoeem nealipx ot my wyh ti si tacroF X? Like I stannudrde atht PTT nad PT are hbot ve.aeltde I cepkdi arFcto X and then gdneach ti ot sdsyhrol"yi "f..o ubeeasc I hogutth ithw a acorFt X niee,fdycci oun'tldw you avhe a goplndore oibnthrm item? I mihgt eb akming sith mreo amltd,eccoip but 'desotn tForac X aply a relo in ohtminbr ,aaitcinotv so ackl fo it udwol dela to a grpodnleo nrtmhiob it?me

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drdoom  a ospenr twhi FDX ocraf(t x i)ycnidfeec wlil have plderono"g nroihtmb miet" isidne rhiet obyd (in iov,)v ye,s tub tierh RMHTTMINI_OBE eht( alb stt)e liwl eb leemtpclyo orlnma +1
drdoom  whne eyht urn eht alb tset, awht yhet od si tujs dda a unhcb fo gn-roawlb ocmb?nntrei()a TAEVITADC mtbhnrio to uroy palasm nda hnet cotun hte sosdcne inlut a tloc so.frm tth’sa oryu RNOHM.TEM_BITI cinote who if ouy heva duecfk up aFotrc ,X it e'ndtos traetm subceea teh bla ygu is adnidg A,LMNRO s-ow/-ghreflhonltb-eaff aitvcdaet timnobrh to yrou amslap .lampes +1
drdoom  in ehtro ,dsowr by gdinda the bal imnbh,tro we int"rcue"vmc nya psmlbeor idglnae up to DNA NUDILCIGN eht copnoudirt of lunotacnfi n.toibhrm nces(i rcefeptly ncnotaulif btionrmh si ’tswah bigne ldiuppse yb eht lab u.)yg STUH tahw RITO_BMHNMETI eth( stet) si rleayl nsakig s,i I“s terhe ghtnyina nsiide thsi ipnteat atht is tgnnerrfiei ithw het iroscoevnn of bii?nnorf”bnt-ggri&ei;f +1
drdoom  ,OS hawt het stet dsluho LALERY eb lealcd si ont MTTO_MEHNIIBR whchi( is ofncungsi sa hle)l tbu FMQORT_BAONI_MEERIRTRIFMOENIG_IUR_EBDN__EFKI +1
agurl1000  THANK UOY SO H!MCU ITHS AESMK OS MCHU ESESN! +
drdoom  ☺☺~️️ +
drdoom  .ps. I did a ltelit mroe iaedngr nad ti seems klie rmnihotb is eeddivr omrf lasmap odnors (ont aedm yorbantlinemc in a h😁ids )rrys!o +

https://www.google.com/search?q=what+does+thrombin+time+evaluate

The thrombin_time evaluates that part of the hemostatic process where soluble fibrinogen is changed into fibrin threads. It measures the time required for a fibrin clot to form following the addition of a standard amount of thrombin to plasma.

(emphasis mine)

+3/- drdoom(1206)


 +0  upvote downvote
submitted by usmle11a(102)
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i idd thsi rhhogut nomenitiail:

ca, dna D iisr;itcnn TP↑T noyl

)B hhwic is uyltacla teh 2P;IP ivevlnod in qG nggliasin

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