NBME 21 Retina (NBME Answers)

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Retired NBME 21 Answers

nbme21/Block 4/Question#33 (reveal difficulty score)
A female newborn delivered at 26 weeks' ...
Retina 🔍 / 📺 / 🌳 / 📖
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+8 upvote downvote
submitted by ∗hyoscyamine(59)

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FA gp 127. oTo cmuh neaogynoixt can aceus erfe cdlaair amdaeg ndgiela ot ponehirtayt of peryiatrtmu

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mmm21 kOay i mihtg eb d,aredrte utb hyw i ’acnt ntdsrandeu tath thye r aknsgi uobat teh ngiht atht is mgaedad ? 😂😂 +8

sahusema rSys!leiuo eTh qeosintu yssa h"te gaol of eatntrmet is eht totrnpcioe fo hwchi fo the giwnolofl ursurtse?t"c If oto hucm O2 deasgam hte ,tinaer owh si iths amttrtnee pessupdo ot eb vieetrctpo ot het ir?eant +2

ratadecalle I knhti oto uchm ygxone wuodl be iwth teh rtnateliov agvhin a hhgi 2iOF nis,tget hwhic thye ton'd inntemo heer tub m'I igugssen shatt the gthni e'etyhr ltnnigrcloo to divoa gnxeyo oitty?icx +2

burak htey 'didtn eivg eht tapenti if2o 001,% ieostunq sask teh rseoan ofr it. tbu in a yver tpidsu yaw +31

naught lSuameptenpl 2O mya sola ucesa nmocophunbrralyo sypaalsid ro ecraunvtilrtanir mhergorahe (inmgrale am,xirt lcdetao in ernvrutlicubas nezo NTO driooch explsu) +1

fkstpashls 5%9-92 'itsn ,hihg tbu 'tsi nugeoh ot teg tgyrhnivee seel etgeo.nayxd eBaeucs i'ts nto 0%01 hhig fwol eht neartsi on'dt aias-zelouerrvvc dna adel to hgrmaoraae,gem/edh nda itsh leik t.aht +1

soccerfan23 In ertho wtd.rsh...eo snotueqi si ybsiaacll igskna ywh tyeh eavg teh ptietan a foi2 of 9%29-5 edatsin of 10%.0 Teh aesnor si eecausb 010% gyoxen ulwdo dael ot pnyteiaorth fo tritmeurpa.y hTe wrole 9%9-52 eyxgon lvsele orcptte eht etrnia from d.amega The oriwdgn fo the quoetnsi sscuk oth i.mo +3

randi AF 9120 p102 udrne reFe lacadir nryiuj xmlpease +

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Wikipedia pathophysiology section of "retinopathy of prematurity" explains this pretty well. Retinal vessel maturity is incomplete in premature infants--the process of continuing this maturation in these babies is directed towards growth of vessels in O2 deprived areas, but if O2 is being supplemented, this process is hindered. Therefore when O2 supplementation is removed, excessive vessel proliferation going into the vitreous humor (not where it is supposed to be) leads to retinopathy of prematurity (defined as "disorganized growth of retinal blood vessels leading to scarring and retinal detachment")

+7/- beanie368(27)

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submitted by ∗mcl(671)

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ccni"hor hihg ygoxne ntsaoruatsi acn ayseledrv aeftcf gunl nad eey tcosemou of rteermp fnati." sniknl

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submitted by ∗divya(75)

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erega hwti yubahrree't. k rygnti ot asy thta arimyrp alog fo nartttmee tiwh allsptpeemnu 2o si ot meka esru hreet is no ilrenat dagma.e

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submitted by ∗ergogenic22(401)

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hwy si toeitncorp of het rdhoico upx,els mfro rnrvriutanlcaiet pureurt nedoarycs ot ilmareng iaxmtr groerahhme ont a iebopssl es?rwna

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whoissaad sye aems nu,etioqs thbo totnyrahipe nad tuvtaairlnrreinc hmormgaee cna ccuro due to hgih ogxney .lvle.es +

cienfuegos I sntylmiaek osehc cidorho pesulx oo,t dbeas no iikw semes hsti si tsom omnomc ucsea of IHV ni retm it:nfsna VIH in the pmerret rianb ululsay resisa morf hte eimgrlna iarxmt aeswreh VIH ni teh ermt stnnfia oraieginst rmfo eht hoirocd .expsul r,veoHew it si ariyaltcrlpu coonmm in ratremupe stfanin or etohs fo yrve wlo htibr w.ht.e.gi otMs runavtirlriacent horamegehsr occur in hte tsfir 27 osuhr fater .thirb Teh irsk is crasieden with use of eacatlpxoreorr meaenbmr tnaixgeonyo in tprmeer i asntnf./svekl/kiipeiroiergt_ima/rcrbhteawn#haBwanItenseighu:paro.t.rdi/ +

burak rcdoiho lesxpu is nfrfdteie htna rgaelnmi amrtxi +

meryen13 einlrat maeerhghro si oerm nomcmo htta VHI vnee if yuo hntki that it ulodc adameg dcioohr cleasp sycdoraen ot agrmneil tarimx e.gmhe haorr/tm/e..vws3gbl0in/tm:p1i4/8hudwh.oc1n6wn1bp. +

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submitted by ∗lilmonkey(63)

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ynneoA geiadrn this eniuqost

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SPOILER ALERTTTTTTTT

lollll i got this right because of This is Us.

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