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NBME 21 Answers

nbme21/Block 1/Question#16 (reveal difficulty score)
A 43-year-old man comes to the physician for ...
Aortic ๐Ÿ” / ๐Ÿ“บ / ๐ŸŒณ / ๐Ÿ“–
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 +38  upvote downvote
submitted by โˆ—mcl(670)
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eladeLb RCX iwgnsoh insioopt of feinrtdfe avs.vle

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hyperfukus  htsi nikl si agrte! eyh'ert isllt dnki fo oclse geeorhtt :( sti os ardh ot tell fro me ow/ ecrfenree of eht erstho +
hyperfukus  tihs nikl si aegtr! ery'the lslit dnik of selco herteogt :( ist so hrda to ellt ofr me /wo enrecefre fo het orseht +
mannywillsee  So teh ywa to fitefetearidn oAirtc avlve mfro the etrsho is yb gcnihkec the etallar ei,vw AV lilw eb mreo aidlme ntah bhto isdtrpcui nad litmr;a tpcirdsiu llwi be mreo toreanri and lramit iwll be sipretoor lwihe urlmoanyP si ndgoi its own gnhit +3
sunnyside  A sgneuro dlot me ceno atht eehtr is on el"t"f nad ""hrtgi rahet - nyol trenraio dna iorprseot - genriferr to ohw the trhea stsi in .vivo Hsple me iktnh hturhgo aiinggm nda seeth deirw oatnmay qunsostie +1
sunnyside  usJt ot fisnhi tou taht utg.hoh.t. gRhit sdei = eti.oranr fLte side = rir.teospo +

One thing people haven't noted yet is that this valve is definitely a ventricular outflow valve. You can tell it's a ball valve which prevents backflow from either the pulmonary artery or aorta (https://www.researchgate.net/profile/Mohammad_Gudarzi/publication/265601727/figure/fig1/AS:392097598328837@1470494760407/Three-kinds-of-mechanical-valves-a-caged-ball-b-tilting-disc-and-c-bileaflet.png) vs a mitral/tricuspid valve which looks more like this (https://myheart.net/wp-content/uploads/2015/11/replacement-mitral-valves.jpg)



 +19  upvote downvote
submitted by โˆ—step1soon(51)
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e.tod/lt/icysss/-i:-yatphvloalaomakeeeadgvrurrh/

koLo at hewer eth cpsus era gitonnip โ†’ waudpsr hterofere .riacot if sscpu ewre ddonarww โ†’ hnte tarilm vealv wulod be teh gthri ansrew

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misterdoctor69  rtailm alvve lwodu nloy ehav 2 psscu even if it rwee eledaprc ohthug ..?rh.itg +
bbr  tfAre ngtsair at sthi rof ehawl,i I nedwat ot lrbaoaete on tsih to akem ti vnee ae.cerrl eTh 3 easar that tmee at a oiptn odlwu be teh 3 u.scsp ehTse 3 alpfs ear gigno ot tge obnwl p.eno aeMns oflw si fmro dnwo ot u.p +5



 +4  upvote downvote
submitted by โˆ—kentuckyfan(47)
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rtnaheo klni I ondfu uhpelfl

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 +3  upvote downvote
submitted by โˆ—suckitnbme(239)
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I asw ksctu bwtenee mtlair nad tcriao nad wetn tihw iroatc eusbcae het L veiclrent slook gednera,l obpislsy tiihngn thta the piteant hda rtcioa os.tsnsei

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drzed  I ewtn twih ritcao esbuaec ti oslok iekl teh elvva sha eehtr susp,c heiwl eht atlrmi laevv uodhsl oyln veha two. ncIrcroet iloc?g +4
an1  I saw ctsuk neweetb acirto nda itamr.l hoguTth eh koelod eikl eh mihtg veha soikyhs,p amesdsu it was tignry to emak su ktinh arMfan and went orf limrta vvael :( +



 +0  upvote downvote
submitted by โˆ—nbaumgarten(0)
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This aym eb nw,ogr btu ti oasl lokso elik he mya aevh dah tarcio iaeotgungitrr e.befor oYu nac see atth ish sah tLef itlVerarucn reenn.amlteg

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ali_hassan  styleonh i stju htghuto hatt he dah an rayle rlavuvla sonlei h(da resgruy when eh swa )43 tuhoiwt yan rothsiy of seom rsto of daiiternscod .c.et codlu be he had spcuiibd vlvea whchi eenedd naelrcpig +
ali_hassan  *33 +



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