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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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ecsoynymiah epodst iths egrat pic loebw

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eacv  ereh si a oevdi rof ntutraiilos oput/xhttocmba.k.h0wct?W/vvSN/s=:o-wsuUewwy +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 is my masryum of eht /riidpecoetuv thta swa ts:eopd

eeTrh are 3 shwptyaa indvvloe in epigne:

  1. Pilcve .n k(aa evlcip cicnahnslp ).n ndsse ptayiesatmrphac biefsr to sudletorr ot taotccnr gt-&;- eezeqsu rbldead dna ee.p

  2. riapyoHtcsg n. sesdn eymatchtpsi fiserb ot teh urrsotlde ot ,raxel sa well sa the nertanil cnstipehr to atcnotrc &-g-;t hldo abkc epe

  3. lePuandd .n sdens ctsoami erfbis nuder( couscnosi on)crlot to eth rxnetlea nehstipcr ot nacttcro -g;t-& lhod bkca pee

nI thsi ieuo,qnst het 'teipnsat dredlba is ilgnilf up so cumh that 'sit drfoec ot roloefw.v aTht msena reteh is a rmpolbe ihtw raiceson 1 - maagde ot vclpie n. os htat he n'cta zeeeusq hsi lbadred evne ewnh tis' pesur .lulf

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peridot  oT afc,lryi hsti rtoecdpsiin si ament ot go nalgo itwh 'burhgyos@nx icp klni and ae@'csv voied ikln +4
lovebug  ankhts a t!lo +



 +3  upvote downvote
submitted by โˆ—neonem(630)
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ehT laacrs rtiiomucitn encret is 1 fo 3 entosopcnm of uititrcnmoi xerelf (oehrt 2 are orfm itonnpe ulcrretia roanftimo nda brelecra .ctrox)e craSal itcm crneet = 2-SS4 psainl rdoc lveel arleignvt fmor etnlrav htwei atrtem ni hte vcelPi nrseev, eoinrsespbl rof ddeabrl ocrattnocni aiv het ilonchigerc evensr hnitk( ti satc no eht M3 toeeprrc ni teh ddeblra .rud)rs?toe fI uyo selo esteh vrseen .e.(i in eviplc ,cfarure)t lwil rtulse ni fvrelowo conennce.init

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 +2  upvote downvote
submitted by โˆ—meryen13(48)
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picvle e--tergn&;v srnecaies vdgoiin nue,ri m3 repcrteo, iamsth yhytrecaoasiptgppacr erngtve-&;- ecnairess unrriya eoinrtn,et ceyihpts,tam abet 3 dna la1pha .taeppednrrdce ouls ;-eg&tvr-ne otn tpar fo citoi,itumnr sit a acmotsi nmocetonp nad sha a iitncicno tr.rcpeeo

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huszagmc  tliEboraang wthi a tib meor ehtdi:ea Tl rlaeddb ciesvere ntpui orfm obth teh umtnoiaco ttp(mcihasye dan apeyhaa)mcrtpsit nad mtiosac rsam of eht onsuver pmmti.tyssea cSyhte โ€“ sritcyphaog nerve T12( โ€“ 2)L. It seusac aarlitnexo fo the rudtoers emlsc,u giprmtnoo euinr sthr.nPaytrienieeatpatmc o โ€“ eplvic reenv -42)SS.( endeIcsar lnsisag rofm htis nvree eascu inrcnaoctot fo teh ordetsur mesluc, algtmntuisi otrS.imocmncutai iti โ€“ lendadpu evrne S()2-.4 It tnraeevnsi het enrltaxe urletarh rntic,esph iiondpvgr ynrulatvo lrcntoo erov iicumto n.nriIt isht ,uoqtnsei the nma ahs a idnsetded redalbd, whhci I deretpertin as e"h a'nct uitrean npaelstonosu"y iwotrese(h eh arlybbpo tnwd'lou etl ihs redlbad etg os ..l.f)ul -โ†’ esesm eikl eh ash dfuilcifyt ticncnroagt het otrsdure emlucs ot ttiiaeni omncitiruti -โ†’ seusi htiw lvpiec .svener +1



 +1  upvote downvote
submitted by โˆ—yo(89)
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ingprrsslyiu doog xtaonalenip nda ptceiur noudf on itsh .iste tghoienms agnol het enlis of mirncatiounit exrelf kaa( dbadlre si lful and yuo spis )xrfele si neog os eht nfeefatr efirbs nrgcyari eth sgianl ttah het dedablr si flul te'anr rko.gwni ohtse sfebri era aedrcri ni eht lepvci eevrns

ts/p:/ti/pcturbywog/pr.wrdii.yendixc/oouw//go-osulottesrpttocmrecim

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yo  if tlisl fnsudc,eo a treebt noptxineala nca eb odnuf .rtesersii:n/jeonunghwbctnhmneois//rur.nhooat tn idusc/a/sti.ol/suehtap +24
hyoscyamine  i ofndu ihts gimae to eb lelhufp in reirnmeebmg hhwic ersnev do what no hiwhc preceo.rt /xlaaog/tfXWypJelet:ek/i//moji.v.ittdshpgcmmrwu.ihsa +7



 +0  upvote downvote
submitted by โˆ—bbr(58)
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'mI illst seofdnu,c hwree si iths gsyu mebpolr cgcnoi?ur sI thta eh is benaul ot ,nitaeur or htta he sah wvoleofr cnoniite?nnec etigGtn sotl ni tehse .evsrne

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