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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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iayshoenmyc poestd htsi tegra cpi lbeow

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eacv  here si a eoidv ofr tiolnruatsi h/ycve0opthbto?S.s/=Waww/uUmNtvswkxt.uc-wo: +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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eHre si ym uamryms fo eth iupircedev/ot atth asw ted:ops

eTrhe rae 3 ytpshaaw voivdlen ni epg:ien

  1. vciePl .n ka(a vleicp lnachcpnis .)n sdnes rymsacpitateaph rfsieb to uoetlsrdr ot tantcroc ;>-- qeeeszu dralebd dan .pee

  2. ciaHtgsypro .n esnds smypicaetth rfibes to the sdoltruer to ,elxra as lelw sa teh alintnre criptshne to rctantco --t;&g odhl acbk pee

  3. Peldanud n. dnsse soctaim fisber neudr( soicouncs orn)clto ot het telxerna ehrntscpi to narcottc ;-g-&t ohdl kacb epe

nI htis ,etinuqso het tptsani'e rlddeab is gfinlil pu so hcum atth i'ts drfcoe to loeofvrw. atTh naems tereh is a roeplmb thiw ceionsar 1 - mageda ot epvcil .n so taht eh can't ezseeuq shi eblradd evne hnew ts'i pusre f.llu

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peridot  To raif,lyc hsti eidsirontcp is menta ot og aglno tihw 'xyrhnus@obg icp knli and v'aesc@ oveid kiln +4
lovebug  hnaskt a olt! +



 +3  upvote downvote
submitted by โˆ—neonem(629)
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hTe laasrc itimnotrcui ertcne is 1 fo 3 cootpmnens fo oiitnrutimc erelxf re(toh 2 are form nitpoen ltuirrcae mioatorfn dna rlcbaeer xeoc)r.t claSar citm ecretn = 2-SS4 snliap codr eevll enavrtgil mfor navretl ihwte rtaemt in het Pelciv vesenr, oeerpssibln rfo deabdlr nncoittcrao avi eht giicerlhocn eenvsr ktni(h it stac on hte M3 rrtpceoe in hte reladdb dut?so)r.re If uyo seol eseht ersnev .(ie. ni pivlec ecu)ar,frt wlil tslrue in wefrvloo itneci.onnnce

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 +2  upvote downvote
submitted by โˆ—meryen13(48)
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icvple -tgn;e-erv& irnseseac ivoindg ,nreui 3m reeopt,rc areayatpctishgpasrhmypciot -nreg-te;v& ensrsaiec yiunarr ottnerein, psieyt,hatcm teba 3 and lh1paa cnod.eprlsetauerd p evr-g;t-ne& ont trap fo ,cttuimrioni its a taomcsi ntpemocon nad hsa a iiccinont rep.toecr

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huszagmc  naEigabrlto tiwh a ibt oerm haldet:eTi lrdaebd secrveie tpnui fmro tohb teh uoimotnca tympatseih(c nda h)apmprsyaecatti dan omtacis srma of het unsveor isamm ety.epScsthyt โ€“ iyahpostgrc neevr 12(T โ€“ L2). tI sasecu xatiolaren of eht duoretsr scluem, pnmrtigoo unrie eatnaocpstrareyP miteihtn. โ€“ eclpvi nrvee S-)S4.(2 dsrIneace niassgl ofmr itsh venre sauec cocnotrtnia fo the truoders cumls,e mausnltgiti utiim.oitoSractni mc โ€“ lnadpdeu vnree (-4S)2. It vnreiaetsn eht rneaetxl raulhetr chpe,instr gnviirpod atlrouvny otclonr vroe o iIuinimcn.rtt sthi t,isnoque the man sha a tidneddes ldarbe,d ihwch I rtpdiertnee as e"h cn'at ieatrnu no"enusotsylpa eoet(hriws eh robpbyal ndolwu't etl ish lbdrdea egt os u.lf.l.) โ†’- emess ikle he sah ifiytulcfd gcrtatinonc teh tsrderou cumsel ot titeiani nmiuotriict โ†’- essiu htwi licvpe nres.ve +1



 +1  upvote downvote
submitted by โˆ—yo(89)
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siulnsrpryig dogo natnpoleaix dna citurpe nfduo on tish tis.e nghsmieot onagl teh ilens of iuiontnimcart flxeer aak( baddrel si lluf dan uyo piss rexlf)e si ogen so eth efnfreta bfresi giynacrr eht lgasin ttha eth drleadb is lful ra'tne grnw.iko eosht irbsfe rea rcdaeri ni hte ecpvil nvseer

//p:stt/crwcdurtcyoe/tmoiitrduwim-wo/prgtopoxoonly/eu.bs./csiiptger

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yo  if itsll ns,duoefc a rbeett oplaetixnan nac eb fodnu seti.m/eo/w/prnt/chrehsinug ubioolc:idns.ras ue/ounathtt.nnseonarjst/ih +24
hyoscyamine  i onfud shti agemi to be plfeuhl ni mmgrrieebne hhwic nresve od htwa no whcih eorrptce. cometstasdoitggpmWp/lXwhJfjkre/u.vh/alae/tyixii.:/.m +7



 +0  upvote downvote
submitted by โˆ—bbr(58)
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'Im illst fndcusoe, erewh si iths gyus oepmblr ?ircnugco Is ttah eh is aeubln ot i,aetnru or thta eh sah wflvreoo neciectino?nn enGttig tslo ni eeths n.evesr

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