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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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choysiemayn tpodes thsi eagtr ipc welob

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eacv  rehe is a vidoe ofr nittlrauosi wtUkt.p-W.s?=wbvshvecow0oxS:chu/ywot/auN/mt +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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ereH is my yasrmum of hte vr/cpiedioteu that swa tosdp:e

Teehr are 3 tapahswy nvviodel in epng:ie

  1. lvePic .n ak(a cevipl cinchnsalp .)n ssden atrpaamiyhecspt iersbf ot reltrsodu ot oatrcnct g&t--; eeqszeu dlebadr nda e.pe

  2. oitycHrgaps .n ssnde etaihpmtcys bsfier ot eth tsreduolr to xrea,l sa lwel as teh ilnntrae sntehrcip to tcrtocan g&--;t dhlo akbc eep

  3. dnPdulea .n dness osiatmc rsefib rdenu( uncsoisoc rnco)tlo ot teh lraentex epcnshtri to trtnocac --t&g; lhod kbac pee

In tihs qtonuse,i the ptseiatn' bddrlea is nflilig pu so mhcu htat st'i doercf to wlfv.oero htTa nesam eterh is a lrpebmo iwht soicnaer 1 - gamdae to pielvc .n os ahtt he c'ant equeezs shi badderl enve whne 'ist upers .llfu

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peridot  To l,ryicfa thsi rioptcsnide is namte to og nlaog wiht suno@xyg'rhb cpi likn adn c'vsae@ dvoie likn +4
lovebug  kntahs a lt!o +



 +3  upvote downvote
submitted by โˆ—neonem(629)
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ehT arsalc oirtniumcit nteerc is 1 of 3 pcnosnemot fo iriuttnocmi lrxeef eorth( 2 era omrf tinoenp rirlatuce omroiftan adn rberleac txorc.)e lracSa ticm etnecr = SS2-4 psnail cdro vleel eanlgvtri orfm raevlnt wthie amettr ni hte lPiecv evrnes, ipnessbeolr fro ldabder noiactrocnt aiv eth ligchionrec sneevr intkh( it asct no eth M3 rtpcoeer ni eth adrdleb rsduoter?). If yuo seol these rnseve (.i.e ni vpleic ),returafc ilwl sltuer ni feolrovw ncieitnnonce.

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 +2  upvote downvote
submitted by โˆ—meryen13(48)
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vcleip n&te;-rg-ve asenserci nvdgoii ui,ner 3m crrtp,eeo ahagtympcsreiayschop ttapir gn-;te&ver- ircansese uirynar n,toneetir ,chiaetympts ebta 3 nad al1pah trpuderode pesnl.ca tve-ng;r&e- ton trap fo rinctitium,o sti a ciomsat npomnceot dan ash a iniotcinc .tproeerc

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huszagmc  Egtrionaabl whti a ibt remo thTiel :dea dberlda esrevice ipntu ofmr tobh eth moainotuc symtietahc(p dan )thypmacaisetarp dan csmaoti smra fo teh nsurove meySsit tptemcyhsa. โ€“ hryotipgasc evren T12( โ€“ L2). tI asuces eaaoltrxni fo eth udorsert lecs,mu rpigtomon rnuie et iaerecmniyrsattaoP.hptn โ€“ pleciv nreev S4)2.-(S rncaedsIe sgsailn rofm siht vener ecasu inctotaocnr fo teh rtesruod e,cmlus unatmtisigl ircmiau.ic ioStttomn โ€“ ladnuedp evnre 24S.(-) tI ntraieevns hte rlneaext harrtuel th,penirsc idiorgvpn lnvruyoat orontcl rvoe iItrmc u.inntio shit e,stuqino eht nam has a ndidtedse rdlaeb,d ihhwc I eenieprttdr sa "eh tnac' atirnue osnpntauy"sloe rt(oieswhe he porabylb 'uotwldn elt sih ebrddla gte so l.f.u.)l -โ†’ sesme eikl eh ahs icdlyffitu rngattcnoic the rusoertd sculem to eiiantit oicuniimrtt โ†’- uises wtih pliecv .nevsre +1



 +1  upvote downvote
submitted by โˆ—yo(89)
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lssrgriunypi oogd pixetnloana nda pceirut fudon no htsi sie.t toisehgnm ogaln het lsnei fo tcuriinniotam efexlr (aak ardebld is lufl nda yuo pssi el)efrx si gone os teh nefeatrf eirbfs grnriacy eth igansl hatt the radlbed si lulf anetr' igkrwn.o hstoe beisfr rae arredci ni eth iclevp eevsnr

t/s/pt:-rn.trtmpwcdiuitrdxebo/lssoowr/mrytecio/owugyigocucte//pio.p

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yo  if illts en,odscuf a ettber tnleaaoipxn cna be nufod iotw.hcesnrt/lboieosnuiudjh/ncntet.r/t neisgmriets sr:anno.sh/apao/h/uu +24
hyoscyamine  i uofnd stih aegim to eb ufllpeh ni mieembngrre wchhi nreves do tawh on whchi oeertprc. suxo/lhm/el/e/.f.pmaa.dtgiw:Jtima/XjWiiteorgktcvyphs +7



 +0  upvote downvote
submitted by โˆ—bbr(58)
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mI' illts sdunfe,co weher is shti syug obrplme ungc?ocir sI hatt he si luenba to tnura,ie or atth eh sah vrfelwoo tno?cncieeinn tientGg tols in heset sern.ve

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