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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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yshiyamneoc tpedos shit reagt cip lwoeb

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eacv  erhe si a ioved rfo lituoasrnit :cuesv/0ou.Ubh/hwNSxvcwpot=kya/two.mtWs-w?t +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 is my armmyus of the puoeice/drtvi ahtt asw s:eoptd

heTre rea 3 payhswta loeidnvv ni ipeen:g

  1. vPleic .n aak( lcvpie scnnlhacpi .n) esnds ahmteatipyspcar fberis to ulroerdst ot ctcotrna &-gt;- qeeeusz elbddar nad eep.

  2. yHpitcsoarg .n esdns ytpisthamce bsifer ot het uesodrrlt ot ,arexl as wlle as eth nnrtaile rciesnthp ot torcctan gt-;-& oldh kbca pee

  3. aenudPld n. edssn mticsao fbrsie nru(de uocsnoisc t)noclor ot eht lanxeetr eipcntshr to tcotnrac --;g&t olhd kacb pee

In ihts ntsouq,ie eht n'iattesp ealrddb is fiilgnl pu so mhcu that t'si derfco ot lf.eroovw That nsame three is a lorepmb tiwh asircone 1 - gadema ot ilecpv n. so htta he 'acnt ueeqzes shi lbddrae eevn nehw 'ist eupsr lfu.l

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peridot  oT rf,ilyca iths ecrisidptno is emtna to go ngloa wtih @nxyuob'rshg pci lkin dan ec@vs'a deiov knil +4
lovebug  ahksnt a t!ol +



 +3  upvote downvote
submitted by โˆ—neonem(630)
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heT lasacr oimiuritnct crtnee si 1 fo 3 tpoomnencs of tocrnuimiti xferel e(othr 2 rae morf neiopnt irarcutel antformio nda recrleba tc.erox) rlcaaS mict teencr = 2S-S4 pnalis orcd level atlievrgn from lanvrte teiwh metrat ni the iecvPl rsneev, lssepenbior rof lbddaer tocnnictroa vai teh icnclghoire veners tin(kh ti stca no eht 3M crrtepoe ni hte radlbde ?redtor).su fI uoy leos htees rsenve ..e(i in lvcpie )aru,fcert lliw erstlu in frloovwe nneoeni.itcnc

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 +2  upvote downvote
submitted by โˆ—meryen13(48)
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plicve renvt--g;&e iesansrce iongvdi ,eruin 3m eop,rerct rh pttsrgticoyamecaahpayips rn-g-;ee&tv seasrecin anriryu rite,tnoen etcmhi,styap btea 3 nad h1pala relceopasedtnrdu.p er;en&g-tv- ton rpat of mirunottic,i sti a aoctmsi mtooenpnc nad sah a nniotcici cr.etpore

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huszagmc  ibtrnolaaEg hwti a itb meor ah:ei Tldte balderd eeriscev tinup omfr thbo hte tioauncom tict(mseahpy nda ta)phmraescaypit nda ciastom msra of het evounsr ythepimsymtaet .Ssc โ€“ tpyhraiosgc evnre 21T( โ€“ .2)L It secusa xarialeton fo eth retsrudo lsmuc,e minptogor reuni yPatte ettchio.rpnaasmeirn โ€“ cielpv renev SS-)2(4. dnceIsrae ssglina rfom tshi vnree scaue antorcicnto of teh otdrreus m,lcesu aisnilguttm moci ua.Sittoitmrnic โ€“ dauldpne never 4()-2S. tI ansieetnrv het nltxeear ruretalh rectphnis, pvnirgoid tlruvynao nlortoc oerv otiIrc.mitnu ni stih ensi,ouqt eth amn ahs a ddstenedi dlbr,dae cihwh I edptrteenri sa eh" tc'an natirue "tsoupyslannoe eiwehrtos( he aobyrblp tulw'ndo tel shi radebld gte so ull..)f. -โ†’ smees keli he sah fdiliutfyc cinotractgn the sdurtroe csmlue ot iianiett utimtoicirn โ†’- useis wtih ilpevc sr.neve +1



 +1  upvote downvote
submitted by โˆ—yo(89)
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psuinilsrygr odog nxalpaoitne and pritceu fudon no sith tise. niotgmshe gnlao eth senli of oarinumnticit rexfel aa(k dbedrla si lulf dna oyu sips relefx) is eong os eht earftfen sirbfe cirgnyra het agsnil htat eth eblardd is ullf 'naert iogn.krw tesho fiebsr rea reriacd in the velicp ervsen

t:tp/s/oduoreuw//lewmipieoi-ppoirucgcttdtrto/b/rynryc.to/sigso.cmxw

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yo  if lltis c,dnfoesu a rtebet aopinteanlx nac eb nodfu nsse intahhnhipo/ubae.crct.onsinewt//eo//ru/.oasriotu jtgstrmn:liseudnh +24
hyoscyamine  i onduf this amige ot eb euhlplf ni ermebregmni hhcwi sneevr do thaw on cwhih reprcoet. ofJiipmhamoXltt.ia/rmeyg.ajs//dige/te.:xl/pvkhcuwtsW +7



 +0  upvote downvote
submitted by โˆ—bbr(58)
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Im' itlsl ,oucnfsed eewrh si itsh gsuy mrblope ccrignuo? sI tath he si aunebl ot itaeu,rn ro taht he has orfveolw iitnoenncen?c ttgnieG tslo ni eeths r.nsvee

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