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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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oecyyahnmsi dtepos hits artge cip lwboe

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eacv  eerh si a vdeoi rof lnotairsitu h.h0wwoaeNSt.skt//o:wUcstbpv-u/Wovy=xmtucw? +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)

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 +11  upvote downvote
submitted by โˆ—peridot(115)
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eerH si ym aysrmmu of eht vcroi/eudpite hatt saw eots:dp

Three are 3 aapwhtys elvidvno in :epineg

  1. lPcive .n (kaa cpvlie lcchnpnsai .n) dessn achmystapeaptir feisbr ot oterulrsd to cncrtaot t&;--g seuezeq drdbeal nad .pee

  2. tHogrcpsiay n. edsns mhystapicte frbsei to eth dtrroleus to lxe,ar sa wlle sa the talnenri priechnst ot artontcc --&;tg hdlo cakb eep

  3. ndPduael .n sends taimsco bsfeir dnue(r issncuoco onto)clr to het lneratex rnphicset to ccatornt ;&t-g- ohdl abck pee

In sith osiq,uetn teh tensiatp' learbdd is llinfig pu so hmcu that i'st derocf to f.loerwvo haTt asmne ether is a mleopbr wiht esnroiac 1 - aemgad to pecvil .n os atht he cn'ta zueseeq his raddble eevn newh ist' serup ful.l

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peridot  To liyc,arf iths pncoiitsrde is mtean to go ngaol with @go'rsxnbyuh pic klin dna es'vca@ ovdei iknl +4
lovebug  shaknt a l!ot +


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 +3  upvote downvote
submitted by โˆ—neonem(630)
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heT scalra triiotimcnu ncteer si 1 of 3 mcopetonns of ctrinotumii rexfel e(othr 2 ear mrfo inentop lrutrcaei iratoonfm adn blarrece te)rc.ox rcalSa citm entecr = S2-4S snailp rdoc ellev giaelvtrn frmo etalvnr wheit ttmrae in the cvlPei ernevs, rnolepsiesb ofr edlbdra tioncarntco vai the eccoilihngr veners (tknih it tsac no hte M3 tecorpre in hte elrdbda uroedr.s)t? fI uyo elso teesh evrsen (i.e. in elcipv r)r,utcefa wlli rtelsu ni ovlowfre nncno.ecnieti

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 +2  upvote downvote
submitted by โˆ—meryen13(48)
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iclpve t-;en-vg&er csirnaese idgvion ieru,n m3 ,certoepr pmpcyrahoctsgatsyhiieata rp v;-&rgtne-e ascsereni ayrnuir eoetitrnn, ,ptesthayimc aetb 3 nda halpa1 oec srt.eapplundred n&-veerg-t; ton rapt fo in,mcittiuro tis a csaimto cnonmopet and has a niiiotccn reopr.etc

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huszagmc  aiatrnloEgb htiw a tbi oemr eh:dteTl ai ddeabrl ercivese npitu frmo hobt eth ncotiaomu cmh(ttasipye nda ay)ptaacspthmire dan csmitao amsr of eth rvoeuns .tySe eaishmtytpsmc โ€“ pyrhistgaoc rneve 1(T2 โ€“ 2L). It esuasc tirleoaaxn fo het utderors cmsl,ue oopimgnrt eiurn t.t pteceoryitnashamneaiPr โ€“ lpcvei reven S-.(42)S sdneIerac lsaings rfmo tihs envre scaue nconoticart fo eth douerstr mecsu,l nistmgtilau r.tnuioomii Sctacimt โ€“ nedalupd enerv S(.24-) It rvaitseenn eth lrxaenet uhletarr irptechsn, vnrogdpii unolyatrv lrontco erov ntuntoi Imrii.c shti n,iqteuso hte amn sah a etdiendsd eddlab,r whhci I rtepiredetn as eh" tca'n iuearnt noyaeonsu"ltsp oweersth(i eh pralbybo 'tldunwo lte shi dredlba gte os l.)fl.u. -โ†’ seems ikel he sah cfiutlidyf nnorgicctat eht sroutedr seulmc ot tieianti tniutmricio -โ†’ iuses ihwt civlpe ve.resn +1


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 +1  upvote downvote
submitted by โˆ—yo(89)
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nursysrigilp oogd pntaaxlenoi adn urpteic onufd on htis .tesi ngeiomhst nagol the islen of imnurnaiitcto flxere a(ak erbldad is llfu dan uyo piss ex)elfr is ngeo so eht feearnft fresbi grcynair eht sngail that eht ddleabr is lulf r'ntea gnwork.i stohe seifrb rea iercrda ni eth cilvep enevrs

stt//p:rsyp/yrxotetmrescoiuegtc/rc.o.wpptwo/iworgdolnuutidiocbi//-m

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yo  if lilts fnude,soc a teebrt nlnpiaxaoet can be dfnou piouo/omis/hnrag iuirthn:tsn/nrssahe.oiw/jsuelseehnc.t/etnonactu.rtdb/ +24
hyoscyamine  i dunof tsih igaem to be luhpfel in nibmreeermg ihwch rnvese do waht on hciwh crroeep.t cx:m.Xtahts//mgehf/iai.rkjtgp/yi/aiwodmeupvJlW.selto +7


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 +0  upvote downvote
submitted by โˆ—bbr(58)
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I'm tisll doesnuf,c erhwe si tish ugsy bmperol urongcic? Is htta eh si lenuba ot anetu,ir or htat eh sah wfleoorv itin?noencenc etnigGt slto ni hsete snerev.

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