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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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asyconyiehm etodsp isth retga cpi lboew

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eacv  here is a odvie fro tuaiisotrln twwcNbxvh./o0=uuvamtpthw?:csWook-s/.teSyUw/ +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 ym ymrsuam of eht /iecoiudetprv ttha was pdt:ose

eeThr rea 3 ypahwsta eivnvdlo in ignp:ee

  1. Pevlci n. ak(a pilcev asnlpchnci .)n sedns aspetmrycaphita srfebi ot rdreutlso to ctntaocr -t-g&; qzeesue adblrde dan ep.e

  2. rtyoHgsicpa .n dsens cyaiempttsh fbsrei to teh leorrudts to lxae,r as wlle sa the neilntra tisnrehcp ot roatcnct &--g;t hdol kcab epe

  3. dPeanudl .n sdsne atocmis sfbeir r(ndue ccsoonusi ontocr)l ot het neaxerlt itnshrpce to croacntt t--&;g lohd bakc eep

In shti ie,nosqut eth i'sptntea brlddea is gliinlf pu so hcum hatt i'ts ceodrf ot f.vowoelr ahtT sanem reeth is a eorbplm tihw nrcsieoa 1 - emagad to leipcv .n os hatt he anc't sqzeeue his drbadle enve wehn 'sit puesr luf.l

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peridot  To raclf,yi ihst oinpitrdcse si tenam ot go oglna hitw sbh'rxunoyg@ cip lnik nad svc@ea' ovdei kiln +4
lovebug  akhstn a o!tl +



 +3  upvote downvote
submitted by โˆ—neonem(629)
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ehT csraal tcmiontriui necter si 1 fo 3 mptneosonc fo trtmioniuic xerfel (eohrt 2 rae mfor ioptnen ruriaeclt noorimatf dna cearrble ot.cr)xe calarS tcim etecrn = -S4S2 plansi docr elevl negalrtvi from vaernlt teiwh rmttae in eth Pelcvi enrsve, nriobeepsls rfo rdbldea narcnttocio aiv het ercionclihg vrnees nht(ki it sact on eth 3M pcrteoer in the raeddbl )redu?ort.s fI you sloe thsee reenvs .ei(. ni pvliec curfa),tre will sluret in rwvoefol .iecninnotcen

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 +2  upvote downvote
submitted by โˆ—meryen13(48)
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ecvilp e-tnv-e;&gr riacsenes idgvoin e,unri 3m oprcteer, pcaerhpagsmattastpiyhirc oy rgv-&e;-etn seairecsn rryaiun nniett,reo e,mscaiytpth atbe 3 adn hlpaa1 . rrpspedneoledtacu t;&rev-nge- ton arpt of cimonttriu,i sti a imoacst enctpmnoo nda ahs a ntciociin treerc.op

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huszagmc  oibrtaEnlga hitw a tib emro til:dhe eTa aledbdr eevsirce tipun rfom obht teh cuimoanot shapitc(mtey nad itpraaytaepcm)sh dan smctioa rmsa of eht nevsuro yseetmsytmStc.iahp โ€“ yroagtciphs nreev 1(2T โ€“ L.2) It ucsaes aonearxlti of het esrtrduo eslucm, gnpmiorot uirne nn. stpitetmeyPcohearraait โ€“ evcipl enerv S-.(42)S sIeenadcr alignss ormf hits enver cesau rtocaotncin fo hte rtoresdu ceus,lm tgmislntaiu cinom imi.iuraSottct โ€“ eulnadpd evren S.4)-(2 It vatriseenn eht alternxe etlrahru hre,spncit pogdnivri uatvonryl ornclot evro initumr.ti oInc itsh oniut,qse teh nam sah a deinedtds dlrd,bae whcih I rtpeeedrtin sa "eh tacn' tneauri s"auelnoyotspn hiet(rweos he ryabolbp lndwto'u etl ihs blerdad get os .l)u..lf -โ†’ esesm like he hsa iidtufcyfl aicnottrncg the rdourets ucslem to neiiatit nmroitciuit -โ†’ suise hiwt ipcvel ernv.se +1



 +1  upvote downvote
submitted by โˆ—yo(89)
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grssuiprynli gdoo oinaeanlxtp adn riutepc fdonu on this et.si gtimoesnh golan het slien fo ntmontiuariic xrfele a(ka leadrbd si fllu dan uyo piss eelrxf) si enog so teh tfefrnea ifrseb ncgyirra teh agilsn hatt eht ddabrel si full 'neatr gkw.oinr tsheo ebirfs rea carderi ni eht pivelc resnev

p//ts:tyley/uixoortwctdoderoeomisi.gpcrccspg/.itt/wirwproomu-tb//un

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yo  fi istll cod,usnef a terebt noxlietnaap nca be oudfn ias hcnemin.tnh./ej:rrunn/ista/o .ioesde/gaoohstb/lpctwunss/riuurtthnoe +24
hyoscyamine  i undfo tihs magei to be uhllfep in inegmrrmbee wcihh nveers do awht no cihwh poceter.r ihoxXi:lfoptem.d.iriaw/tmcephmjWeJt/a.lsa/stkyu//ggv +7



 +0  upvote downvote
submitted by โˆ—bbr(58)
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m'I litsl ,ucnsedfo weehr is isht usyg bmorple ccou?rgin Is atht eh is nbulea to e,truian ro thta eh ahs rwvlfeoo nninoeccnie?t ntGtgei slto ni teehs nvseer.

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