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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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haoneysmiyc tseodp ihts egrta cpi owble

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eacv  eehr is a oivde orf tloinristua wh-wyvuchtouatvS.=epxtsowotN//bsm/wW.k:U0c? +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 my ammrsyu of teh iorcideut/pve thta aws tsde:op

hreeT era 3 ytwapahs ovdnlive in e:egipn

  1. evlPic n. (aka vclipe ccaslnpnih n). esdsn eyashpatpmtrcai eisbfr to slurerdto ot cntrtoac &g--;t ueqzese dlbeard nad pee.

  2. pyoHcigrast n. nsesd maipstetchy fersib ot teh rlsutodre to ,relxa sa lewl sa teh alinetnr ciehtpsrn to otccnatr tg&;-- dlho kbac pee

  3. ladudneP n. sedsn aocismt sbierf rdn(eu siunccoso lrtonc)o to eth aterexln rehnctsip ot oncrttac g-t&-; lodh back eep

In hist ,euqsntoi eth snpeta'ti arbdlde si illfing pu so chmu ttah tis' deorcf to w.ooflvre atTh amens reeth si a lbmpore ihtw ocrisnae 1 - gdeaam to vliepc n. os thta eh tc'na ezsqeeu ihs bdlerda vene enhw t'is rspue flu.l

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peridot  To ,yflicar tihs iresontipdc is atnme ot og ngoal iwht by'gh@suorxn pci likn dan v@sca'e deiov klni +4
lovebug  shnkat a ol!t +



 +3  upvote downvote
submitted by โˆ—neonem(630)
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The lacasr truoimnicit erntec si 1 fo 3 mpecosotnn of tornucmtiii lfxere rteo(h 2 aer rfmo noeitnp eiralcrtu omrfnoita nad rcrleabe ox.e)rct alcarS itcm tcener = S2S4- splnai cord elvle ngaevitlr fomr alnvert hwite aemttr in teh ilcePv nvseer, plseirbenso orf lrdabed ooctrcinant via eth rnoicgeihcl envser hkni(t ti csta on eth M3 ptoeercr ni the aderdbl et)u.dso?rr If ouy leos seeth senevr (ei.. ni eviclp teruc)r,fa will seutrl in worfvloe eciinetocnnn.

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 +2  upvote downvote
submitted by โˆ—meryen13(48)
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vepilc gtn;evre&-- ercesnisa inovgid ,ireun 3m eprrecto, trhiaipspmaohpeysyttaccg ar eg--&;rvtne arisnseec rurniya noet,irtne cpt,heatmyis eabt 3 nad 1hapla ter.nsuocrld eeadpp e-revt-;&gn ont ptra fo iinrt,uctomi sit a coasmti nonpotcme and sah a ntniiiocc eo.crrpet

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huszagmc  ignatralEob itwh a tib eomr heet:dliT a daeblrd eeisvecr ipntu mrof htob eht tounmocia m(pcestythai and tseyamic)rahatpp dan cotiasm rasm of teh snouerv pmsemy yhSsact.itte โ€“ hcaspoytigr nerve T(21 โ€“ .)L2 It saucse axlarioent fo het dusetror ,mucles ngmpotiro ruine eisa hytmant.oatenetricPrp โ€“ veclip eenvr )S(-S24. aenIrscde sisangl omfr shti vreen eusac tncrotiaonc fo hte soreurdt ,suecml iilatnugstm cmutiSiic ntaoomr.ti โ€“ ldupaden neevr 2).S-4( It sinteraven hte teaenlxr atrehurl p,cnithser ridgnviop vntloayru lorntco over nmcrI tinuti.io shti ,oustnqei eht nma ahs a dentesddi ddla,bre hhicw I trnretipdee as h"e t'nac etniaru ntnspoayle"suo (ieshoerwt eh pbobrlya tu'wnodl etl ish dbedalr egt so )..lluf. -โ†’ eesms eilk he has cfulytidfi nnaotcrtigc hte tsdrerou msucle to atiiinet uoinimtcrit -โ†’ iseus thwi iveplc ve.srne +1



 +1  upvote downvote
submitted by โˆ—yo(89)
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siuylngrsrip oodg oaxnintpela adn itpcrue ounfd on shti s.ite teihognsm naglo teh snlei of niuiairttcmno relxfe ka(a adderlb is lulf nda uyo ipss elrx)ef is geno os hte etfrenfa fbsier gyanircr teh gisnal ttah eth drdelba si lful 'reant nowrk.gi stoeh fbires rea ridecar in eth ecpvil vesnre

s/ptt/:pryt/r/bs/eosuy./tmcwwwo.coueu/drogemtoto-iicdptrgxicpilionr

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yo  fi stlil nds,ufoce a trbeet xatlepoiann acn eb fudon c est//:.bnoojiond.uino/t/thlthsnuiherusnscmtorrsuer.nipiewan //eagahst +24
hyoscyamine  i oundf shti iamge ot be eflhlpu in ibeemnmgerr iwhhc erenvs od hwat no chwih ptrreoec. hkh//j/tXaaty/eliw.:cmlmJiite..esxtuiovpor/agdspfgmW +7



 +0  upvote downvote
submitted by โˆ—bbr(58)
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'Im lilst ncfedsuo, hrewe si ihts sugy rlmpbeo c?rniugoc Is ahtt he si nbaleu ot niutar,e ro ahtt he sha lvowrofe ccnintnine?eo egtGint stlo in teseh rseven.

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