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Retired NBME 23 Answers

nbme23/Block 4/Question#45 (reveal difficulty score)
A 32-year-old man has a diastolic blood ...
Precapillary resistance 🔍 / 📺 / 🌳 / 📖
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 +46  upvote downvote
submitted by ∗ferrero(48)
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A evyr mrliasi eunqtsio I hvea esen in snbaQk lwil sak hyw a nateipt wtih rihgt taehr lauefri eods tno eedlvpo aedme nad teh anersw is enidracse mhytalpic .rdenagai I gto tish niteoqsu nowrg irangyllio auecbes I wasneder nogla stih ienl fo oaengrnsi ubt I tkihn in tsih csea it lal sha ot od iwht RHEWE teh raext puresrse is mcinog fro.m In ihst euqoistn teh tp has laciisodt snnepoirhety os you acn kthni oabut het surersep as iongmc d""worfra so octrinigntcs ypraerllacip isteshpcnr nca renvtpe an sicrneea ni srpueesr ni eht iyralaplc ed.b evworeH ofr gihrt eahrt uireafl ihst rxaet luidf is imgcno omfr teh IOPSPOET irctondei abcwr(ksda omfr het rhtig re)hta nda istcotrngicn cyalirplrape nrsieschpt acn od gntoinh (no oseoiptp side of lyacraipl ebd) - hte yoln way ot ptnever dmeea is ot siaerecn phmyitalc iagrdae.n

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seagull  heT touiqens rlylace dela su ot htnki uaobt tiomOcs prseseru yb laknigt tbauo ntiroep adn r.neiu I nrewod how ynam leppeo usde ttah neil of aginrsone (lkie eyml)s?f +20
mousie  ertaG in,oenpaxtla I soehc lihcympat aedinarg rof het mase esnoanigr (limairs Q on trdeifenf kbna) +9
sympathetikey  yM ensoagirn asw chum remo icissimtpl byme(a oto psl)mie tbu ni ym dm,ni itscylos BP si dedimtnree by Craaicd utpuOt dna itcdloias PB si dtimneerde by .rierasleot hrorfe,eTe athw ceoms foeber het ylracapli dna selrugtae eenatscr?si tre.rloiAse atsT'h why I asid thta cie-ayrlplpra eraesnsic.t +41
cr  eth main rifdcfenee weetben hte 2 seacs si atth in ihst asce hte tpntaie hsa hgih BP +1
link981  So ni atrnrkenidge guagelan het entusoiq si eseylntsali sigkna owh ighh prusrese in het rriaalet mseyst is NOT rtmetdasnti to the venuos teysms iwhh(c si eehwr EMDEA sold).pvee But oyu okwn they ahve to dda lla isth fnoi to try csnufeo a sabci rpinilcep nad kema yuo noscde sgues lusy.efor oG(t it ornwg yb the a)yw seecabu of tawh ere@rrof asdi of nQkab .qsoutnesi +9
hello  oerrfer@ awth rea uyo nalikgt u?obta atpilymch aidergna si eht ngrow wensa...r +1
hello  ko evner .idmn i tog it. hrad ot dnerdaustn bc/ ti aws a gib okbcl of .txte +2
asteroides  I htkin eyht may eb akitlng obtua hte egnymico ecmptaorysno nhmasime:c =pfNieencglo3vk.boem/li5oc/o/4nK/wy4..tsthwonfr.gr:4ni///h.ibotg1sbBptjwur?5eIen" dscra ielatrar or esuvno rsuseper aols scnieud myncegoi ritsccntooin fo erresioalt dan erpallrcipay e,ipsscnhtr hchiw sesair itarlraroe tnsrsiecae ebtyrhe( zgiimmiinn eth eerncsai in ylircplaa rres)seup and rcesdue het imvlouarcscra ruecsaf eraa ellaavbai orf lufid r.cn hegFoaxe ,pelmxea eubacse slarcauv tsohmo uecslm in ertailra adn oratrlirae llwsa srcantcto wnhe dxespeo ot etaleevd alnactirarsuv rsrsseupe, itsh cgneoymi sseenrop ansiserce piracrplylae tniscarsee nda trcpetso islalcraipe morf a atcontmncio esir ni herti catvasarlirnu e.rruepss" +7
usmleaspirant2020  o4oao:4mtd2flis/powdswphrow1gla/huf+rntc/2.ne4acB+.o/a/gte+w/mllmsRapoF tsih uterpic hselp! +3
stsfyt  kamse .sesne mmeiosste ew sue BiC)ivsolCdaant(o + oainovlendti EIA(C) omobc ot analceb hte rurse,pes adn rentpve eeaglka nad .aeemd +

I think they are referring to maintenance of GFR and blood pressure relationships. Ergo the mentioning of the renal function. The precapillary resistance is "glomerular" precapillary resistance, so if that increases then GFR remains the same => prevents leakage of proteins and albumin => less edema.

https://www.youtube.com/watch?v=IRZsniaCfVQ

+2/- peqmd(75)

this is the concept of blood flow autuoregulation at the tissue level in response to increasesd arterial pressure via arteiolar remodeling via smooth muscle hyperplasia ....

+/- msw(4)

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submitted by staph_aureusxx(9)
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yrapleraclpi senrsaecti = csbrindige eht lrrotase.ie h'es got inmlima eoripnt ni eth iuren; nda on mliba.nu teh key aws ynigpa itentanto ot eth obdlo .russeepr ruessPer si dtgrleaue by het nesiecstar ssseevl sa doarsb sclla it hihwc is hte iaoeteslrr kaa elpaialryprc rcssn.aetie

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submitted by ∗notadoctor(175)
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vI'e bnee inceghasr rof my ersuoc for ihst tub ca'tn esme to fdni .ti ,weevrHo the awy I hgohutt atobu ti saw tath dmeae pehnsap avi teh lipa.riaselc If rhtee si cdnsiaree ntieceassr aiv teh prceialalryp stiphrsnec as ucmh odlbo 'duwtoln be blae ot egt noti teh riapleas.cil hTe olobd olwud natside gte sdhuten aiv oasnoetmass to het .sevin shTi riecatl fomr yp.csogomiycohlv spaenxli it a llitet etretb: VC Poo:hlyyisg ieuTss emdEa and aneleGr piensrlcPi fo ciarpsnTaallry iFudl hExcegna

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 +1  upvote downvote
submitted by chagas14(1)
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abMye eht suqoenit si ledgain itwh the cotecnp of mcnyioge eirlrataor coivtcsnoanrsiot hcihw si a etaonhr iamned-ate amhmcien.s hTe rpe claipalry rpncsthie acocrtnt ni pssreoen ot a aesir in P.B I otg eht Q owgrn eubcsae I cdepki ihyatclpm .lwof hyTe eolv to og fro eht ahw"t se"el elentme fo yan i.tocp I nnotca dfin nya sraeon hyw eth laiymptch pootin doulc be nrowg /:

3r./r?n.o/5.ow.ven/KN:wiBo/mlpipacgtc4ssts4/hwblnhbos5kict=Cceh k hte gfeuir 4.1 Teh nMrgai of tafeSy aAgstin Eamde orFaomtin – meadE Sftyae astcFro

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submitted by ∗adong(144)
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nI daidotni ot waht sah raeadly enbe dsai I hknti na tmiptanro tionp in hte iesutnoq asw rogltauery ntmuastdsej chwih istpon orme wtodasr relatiarro itla.nreugo

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submitted by usmleaspirant2020(9)
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ftor0cacb.duc19eo/plt2.e7t/h0ie272f12becd7:f9ds/3036/dot0dnad20u70yn2ee59ed06f95

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submitted by ninja3232(11)
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nhW"e elarrtai rsrpsuee asfll, ygmionce note is udecerd in aolsrre,eti girendcsae ethri nateisrecs ot owlf nda aimgninanti rlyapcial p.rsseure ehTes erooiavstsnb gsuegst atht irylapcal esrsruep may be teulerdag roev eht emas aengr of rerpseus ceshagn roev hciwh lfwo is aogludaetutre in a ivegn rnago. eIendd, mfro the :ltarione"

hg.noB.stnipbiNbK//o3tskvwwn4l:h/oc.5.w45m//

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submitted by ∗hello(429)
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wyh si mpalas icooctn ruspsree rnwo?g

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rainlad  I htink si't uceeasb ew luowd exeptc ot ese meos emro trnaubinmeoirlp/airaiuu if teh asmlap oioctnc pereussr hda isaeercnd ot staemcepno +1


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submitted by ∗ferrero(48)
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A eyrv rmlsaii tqsonuei I evah snee ni sQnbka illw kas hyw a teitanp htiw trghi ather fraileu sdoe tno vdeleop aemde dna teh asrnew si eeidcnras ptmhyliac ir.angdae I tgo tsih sqintoeu rwogn lgalyoirni subaece I aesewdnr golan sith leni fo ennorsaig but I htnik ni tshi esca it lla has ot do wiht HREEW eht trxae seserupr si moncgi romf. In this eoitqsnu hte pt sha dictalosi hyoisneenptr os uyo can ikthn atubo teh srpesrue sa ngocmi wdaro""fr os rsiictontncg ciaprplylrae rssnchptie nac veneptr an nieeasrc ni rspeseur in teh ayicrallp eb.d eeovrwH fro htirg eathr afurlei iths xrtae idulf is micgon fmor hte OOPTPSIE eitonidcr kcwaarbs(d fomr hte itrgh haret) dan istoncgrncit lrayrlpipeca irssehtnpc can do gointnh (on oostippe desi fo prlacalyi de)b - teh lnoy yaw to evpnter eadem is to iceseanr apilchymt iageanr.d

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submitted by ∗usmleuser007(464)
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rAoict tcsDilaio eurr Pses

  • hHgi RPT = ihhg PD
  • ighH RH = hihg PD
  • Hhig SV = hgih DP

oiActr Scliosty ruer Psse

  • ghHi ianottrlCtiyc = high SP
  • iHgh VS = hghi SP
  • woL lCnmiaepoc = ghhi PS

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submitted by ∗spow(50)
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I salo nihkt atht the oiptn ibegn amde eher si tbuoa enma tairrlea purserse AP(,)M chihw si thaw yraolaturutego mssyste ctluyala hencag esdab no. eucaesB he has residance AMP due( to renisecda PDB), eht eilsirpclaa lliw stritcnco ot tmiinana ntctnsoa uwe/rfsloespr hrhoutg hte lcraiylap de.b

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submitted by ∗divya(75)
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i o'ntd tinhk uyo dene to kithn lal atht u.chm kolo ta lla eth potnios adn ktinh fo twha saphnep hewn they ,e rasceAn.i ,B C, D adn F lal nac uaecs estittlnarii uetBme .ad ncaiergsni yprlrlaaecpi sitnrsaeec diitefyenl .edtson'

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drzed  dacnerIes caiympthl lfwo dulow tno ecsua tarlienstiit .edmea +1
123ojm  utb it dsnt'oe ysa sen"icrea n",i ti sjut sasy ruygotlr"ae sastdmjtenu ."ni +1


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submitted by ∗usmleuser007(464)
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1. critAo iilotsDac rsrPeuse .1 Hhgi PRT = hhgi DP 2. ihHg RH = hhig DP 3. ihgH SV = ighh DP .2 croAit cslSoiyt eresrPsu .1 ihgH tnttloiiyrcCa = gihh S P 2. higH SV = ghih P S 3. wLo pniealmoCc = hgih PS
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yex  cpoc.o/sloh1rnhoygt2MiMsi:/imitvy0ctal/uoccrp/ Tihs hspel ,soeowmh eht srift artp otbau rpacaylil srsue.per +
usmlelol  tt'ash eth epx ::rapt e Th raaeveg yapllaric ohiyctsardt ruespres si deermntdie yb latirear dna vsnoue reursesps A(P adn V),P dan by eth roait of rslto-tplayieacoppr- scrissneeat AVR(R)./ An cnsaeeri in erhtei rtaelira or uvneso seusrepr lilw aiescren acallpryi rurese;ps rwoe,ehv a egnvi eganch in PA si oynl taubo n-hetffio as tifeceefv in nggcihan CP as the amse telsobua ahcegn ni V.P uaeeBcs nesuov esrsinteac si illervtaye wol, hcsagen ni PV rae yeairdl msdatiternt cbka to het paryail,lc dan er,ylvscoen bueaecs lirearta secsenitra is aryitvllee hi,gh ghsenac ni AP aer rypolo enttmsdatir romtndswea ot eth al.aprcyil +1


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