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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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mcsyanoyhie soetdp tshi terag pic bloew

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eacv  rhee is a eovid rfo rtoinautisl uhy.bo0wWc?wewchtUstmpoSN.-:w=a/k/vutx/svot +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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Hree si ym ayumrms fo het rpieceovu/tid atth asw tdeos:p

eThre era 3 sthapyaw vnveidol in pieg:ne

  1. Plvice .n aka( ipecvl sincphancl n.) ssden matpsyeparictha rfesbi to osutrrdle ot ntaoctrc &t;-g- eezqeus beadldr nda .pee

  2. capHotgryis n. sensd secahipymtt bseifr ot hte rldetrous ot alx,re as elwl sa eth lirenant cpisentrh ot atoctnrc &t-;-g hold cbak eep

  3. dalPdneu n. dessn sociatm brfies eu(drn sucocsoin rolct)on ot eht enatxelr sptheincr ot atrctocn ;t-g&- dolh abck eep

In ihts ut,niseoq the eats'tnip aebddrl si lgfnili pu os mhuc ttah sit' dofecr to fovrwe.lo tahT msnae ehter is a remlpob hitw nasireoc 1 - damage to pvlcei .n so atht he cna't sueeeqz sih arebddl enve ehwn it's uespr fl.ul

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peridot  To ia,lyrfc siht otndiipcrse si tanem to go ongal twhi h@osbxurg'ny cip knil nda acse'@v idevo lkni +4
lovebug  naktsh a !lto +



 +3  upvote downvote
submitted by โˆ—neonem(629)
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ehT scraal iiutictormn enertc si 1 fo 3 ononepstcm of ioitutrcinm efexlr hrteo( 2 era frmo npotnie iertaulcr aiomnfrot and brcleear )tcerox. alcarS cimt nctere = 2-SS4 paisln droc level rvageiltn rmfo trnalve hweti teramt ni teh eciPvl snreve, niblsposere rfo ldradeb icactnnorto avi the ohlegcrcnii rseevn kinht( it tacs no hte M3 epecortr ni eth lrbddae tos?u)r.red fI yuo leos seeht vrseen e..i( in lvpcei fraeurc),t liwl sruetl in lorvofew ntncieno.icne

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 +2  upvote downvote
submitted by โˆ—meryen13(48)
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vlciep -nevert-;g& iesnascre odnigvi enui,r 3m rceorte,p pitecmgohtpiarrtsasahyycpa rv-;eg&nt-e seceansir uaniryr eett,nonri ch,itaeyspmt teba 3 nad 1hapal prd. drueetspcnealo te&evr-gn-; nto prta of ntior,ciimut sti a otscmai nooemtnpc nad sha a cnntociii r.eretcop

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huszagmc  rabEtiaglon itwh a bti orem et ahiT:led beadrld seiverec tipnu rmof hbot hte inomuatco tsyh(eiaptmc and eisprmtaya)chpta nda imcatso rams fo eth oesvnru tthatymicp.syesm Se โ€“ yrpsicoathg vrnee 2T1( โ€“ L.2) It esascu xianaeltor of the etrsoudr ,lucsem rtmipogno euinr triot.itrtanPpaeah nsceemy โ€“ velipc venre S)42.S-( cnsIraede sgasnli rfom hsti nreev asuce roncnaotict fo het oursretd smu,ecl lantigtismu itci omcumoiiatSnt.r โ€“ apdeulnd ernev 2.4-)(S It snevnteari eht exltrean auterlhr npcits,rhe girvdnipo yonrualvt cnrtolo ovre mnirntco.itI iu tihs utneoiqs, the amn has a tdnidseed b,ladedr hciwh I erptdeenirt sa h"e 'tnac auerint "oontneypssula ewe(ohrsti eh roablpyb ouwltn'd etl shi rdlaedb teg os ul...f)l โ†’- ssmee ilek eh ash filtcuyfid nrinatgctco eht orrseutd emscul to atiitine muiincttrio -โ†’ iesus with epcliv s.vreen +1



 +1  upvote downvote
submitted by โˆ—yo(89)
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yissrpirugln doog nntilaaopex nda rtiucpe ufdon on sith .esit timosnhge ogaln het selin fo ciatmnirintuo elrefx ka(a ardbdel si lufl dan yuo isps reef)lx si onge os het freetnaf biresf ycrniarg eht slgnai ttah het radeldb is full rn'ate rniogwk. thsoe srfibe ear dicaerr ni eht picvel snerve

/pt:ts/tlrex/p/uticipcc/-twuomrtt/s.roirei/copmyooogowudsn.griwybde

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yo  if lislt focedn,su a teetbr panniatoelx acn eb nudof twes/:u rhie.t.eanistbscdasugouottooniepnjl/mnnschntehihrarnsuri//.// o +24
hyoscyamine  i fdonu hsti imeag to eb hpuelfl in embreemngri hhwic esnrve od what no iwchh peocrr.et ahlkmi/ttmiuoWs/.cx:i/pm.ow/dsiet/ptaye.lgjvJahrefgX +7



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submitted by โˆ—bbr(58)
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Im' listl cesnduo,f wereh is htsi uysg borplem gurocc?ni Is ttah eh si eulban to inea,urt or that eh sah leowvfro ennoi?entcicn tinegGt ltos ni htsee v.nseer

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