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Retired NBME 21 Answers

nbme21/Block 1/Question#34 (reveal difficulty score)
A 30-year-old man develops urinary ...
Pelvic nerves ๐Ÿ” / ๐Ÿ“บ / ๐ŸŒณ / ๐Ÿ“–
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 +11  upvote downvote
submitted by โˆ—hungrybox(1277)
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nyehsaioycm odtsep tshi gtrea cpi olbew

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eacv  ehre si a eidvo rof nitritoslau Nw//ouspyewxbutm-ov.?h.Wcthvktwc=S:tw/U0soa +2

Based off this pic:

External urinary sphincter: inhibits (via pudendal nerve) Hypogastric nerve: ฮฑ1 receptor โ†’ contracts internal urethral sphincter โ†’ inhibits Pelvic nerves Correct! M3 receptor โ†’ contracts detrusor muscle Pudendal nerve: inhibits (Nictonic receptor) โ†’ contracts external urethral sphincter โ†’ inhibits

+2/- hungrybox(1277)

External urinary sphincter inhibits (via pudendal nerve)

Hypogastric nerve ฮฑ1 receptor โ†’ contracts internal urethral sphincter โ†’ inhibits

Pelvic nerves Correct! M3 receptor โ†’ contracts detrusor muscle

Pudendal nerve: inhibits (Nictonic receptor โ†’ contracts external urethral sphincter โ†’ inhibits

+/- hungrybox(1277)


 +11  upvote downvote
submitted by โˆ—peridot(115)
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eeHr is my umymasr fo teh ie/drptviceuo tath swa ted:spo

erehT era 3 ahwastpy nvidloev ni ngeeip:

  1. Pvilce .n aa(k lviecp sclcninpah .n) sdens ehtaiprmatyscap frbeis ot otudrrles to cctrnato g--;&t quezese radldeb adn e.pe

  2. yiHtagocpsr .n sedsn smahpyittce eisrfb to eht rdurltseo to xlr,ae sa lwel sa eht lenritna secntphir to canrtcot &--;gt ohdl kcba pee

  3. ndluaedP n. sdsen caotmis sifreb denur( oscoucins rt)oocnl to eht nrxealte psrnhtice to octtcanr gt--&; olhd akbc pee

nI hits quetns,io teh tt'sipean dealdbr is lgliifn up os uhcm taht is't cfdoer ot ewvfr.ool tTha smean theer si a olebpmr thiw iraesnco 1 - amaegd ot pvelic .n os atth he ac'tn qeeezsu shi ldrdeab even hewn sti' uesrp l.luf

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peridot  oT flriyca, iths cnepridisto is namte ot og alogn htwi xsnr'@ghouby ipc lnki nad sce'va@ vioed lnki +4
lovebug  thskna a ol!t +



 +3  upvote downvote
submitted by โˆ—neonem(629)
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Teh aaslcr tnuirimtioc tcreen is 1 fo 3 opncsneotm fo ornuiittimc exfrle hr(toe 2 aer mfro pnnotie litruaecr oamorinft nda elrrecba )or.exct rlacaS mcti etrecn = -S4S2 nplsia droc lvele tiraenvlg romf ealrtvn wteih trmeat ni eth eclviP severn, roesensbipl rof blreadd ctronnticoa avi het nliohicrcge nverse (nkhit ti stac on eht M3 pecreort in eth dalebrd drsr)ueot.? fI you elos eetsh reensv (i.e. ni vliecp rfercau,t) will tleurs ni felwvroo ninctoe.ncein

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 +2  upvote downvote
submitted by โˆ—meryen13(48)
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pcviel g-e;&tnerv- eriascsne oivignd euni,r 3m p,ctroeer shpcpyryecoashapittirgaa mt --r;ve&tgne crsniasee riunyra ,rttoenine miycpaesth,t taeb 3 nda hpal1a .tseednecul rrpopad ;rv-egn&et- otn ratp fo ocmtiturii,n ist a tcmiaos eocnmpont nda ash a ntccionii pce.etorr

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huszagmc  gEnilaobtra wiht a bit eomr eehtlTd: ai beladdr eivreces ntupi mfor tboh eth motaucnoi (mcatyephsti and csmya)ihaetarptp dan stocaim amsr fo eht ronvsue yisamt.ttph Smyesce โ€“ sohcprtiyga erenv 2T(1 โ€“ L.)2 tI csesau aaxltnroie fo the sterordu l,escum opgromitn uienr ae apniPmteyashcrrteitont. โ€“ vplcie vrnee ).-S2S4( ecdsraneI ilnssag frmo sith evner acues toinocranct of het osretudr ceus,ml ntligstiuam .ciioanmcituomirtSt โ€“ danlupde evrne 2S4.()- It aesvrniten eht enrlaext returlha ,threnicps oiniprvgd ayovtlunr orltcon vroe t.t Iroicuninmi hsti qunoties, teh nam sah a eddinedst daerl,bd hcwhi I intptreeerd as e"h a'tcn rentuai unn"eoplyossat rsiteowe(h eh aylropbb l'dwuont elt ihs ddelbra gte os l.u.fl.) โ†’- seems ikel he sha yfuictidfl cnatrtgonci eth rrustdoe slmuce to tiainite nrutiotiimc โ†’- sesui htiw lcvipe v.eensr +1



 +1  upvote downvote
submitted by โˆ—yo(89)
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lrsiyrsniugp good nitnxepaalo dna ctpeiur onufd on ihts ies.t segmhiotn lagno eth enlsi of mtnncioiariut erxelf aak( alrebdd si ulfl dna oyu psis xerfl)e si egno so eht feneratf febirs gryircna hte sglnia hatt the lrdaedb is ufll ne'atr n.wgoirk sohet rbsfie rea adcerir in teh eivlpc vrnees

s/ttp:/cpentoeilcguo/tmixip//rrs.yuieootb/./cidmowy-owsutrcgrptwdro

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yo  if tilsl ,euofcdns a etbetr iaateolxpnn nca be ufodn :usausulng/newtdhpncehoasoijat/.otrenohn. iisnttm/rihi n/euser./bs/otcr +24
hyoscyamine  i fnudo tsih emgia ot eb pluefhl ni ibmenmreegr wichh senerv do awth no wchhi oetrecr.p tavatw/txg.tiisoki./r/WpdomXehe/ueily/:pmgf.aJhjlscm +7



 +0  upvote downvote
submitted by โˆ—bbr(58)
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m'I siltl cdon,eusf hreew is itsh gsyu plrmeob ncrogi?uc Is atth he si bleuna ot uritnae, or ttha he sha evoorlwf eceno?iitncnn gentitG ltso in etshe nesvr.e

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