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 pg .172 Too much tgioaennxoy acn saeuc eefr lacradi egadma enigdla to entrpyitoha of apuetrtymir

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mmm21 yOak i htgim eb rre,daetd tbu yhw i ctan’ deutnsrand that yhet r ngikas aoubt eth thign htta is mdageda ? 😂😂 +8

sahusema liSsryou!e heT qitunoes yssa het" goal fo ttaeremtn si hte tptieronco fo chiwh of eth giwflooln trss?urcetu" If oto hucm 2O aemagsd eth ,riaetn owh is hsti ttetanmre dsopsupe to be tpeivotcer to het atie?rn +2

ratadecalle I ithnk too hcum egynxo doulw eb whti the trviaolent gavihn a hhig F2iO intesg,t hwcih heyt 'ontd otiemnn erhe utb mI' gsesingu tshat het nitgh hyee'rt tgconoillnr ot aodvi gexyno xyoi?titc +2

burak ethy di'dtn veig het tptinea 2iof %01,0 uietnqos ssak eth noeasr rfo i.t ubt in a yerv pidust wya +31

naught llmeatpnSeup 2O may aosl sauec uoalnmobopcryrnh dlyissaap or alucrtniirrnteva hrhraemgeo l(enrgmia mtxair, eltdcao in aenlcsrrvbtuiu nzoe ONT roiohdc )sxpule +1

fkstpashls 2-%959 'ntsi ghh,i btu 'its ghoenu ot teg etirhveygn seel agoxn.dtyee suceaBe ti's nto 01%0 hhig wlof eth ieatnsr nod't ileuczsvarro-eav adn eadl to ,or/gehmgaemderhaa and tihs eilk ttha. +1

soccerfan23 In otreh ..w.stdo.reh nqutosie is aibcaysll niagks wyh hyet gvae the tpaitne a 2oif of 2995%- edsanit of 0.%10 hTe aenros is cbeusae %100 yxenog ludow dlea ot yotnepharit fo etiytru.rpma Teh ewrlo 59%2-9 nyxgoe vllese tcpetor teh ieantr fmor .adegam ehT nidogrw fo teh iesnuotq scusk oht moi. +3

randi AF 0912 p210 eudrn Fere aralidc jiyurn xplmseae +

umpalumpa from RETUAN at2eswe.e0axun%tr0cw%c2im%~2eRaae:nsaa:1/%Ohtxd0&yat/toh2.pI72ti,onhsonr%00oS20eh0prx2%nv#t=vnt%smS2u2a2et2m.2s%twltrlc2ttraDogxod;htge7%.er%%ti/0nuu5i/%in:s4,a0Daae%ht%0e12nt=2hgh0ea:OP2ae0%s20gssii%ewy0 erSeval etcnre iusdtse hvea nshow a lasnpoireith eewebnt a iyhg-nxghoe siatatourn adn OR.P It msees tath a 3g;%S&Ot2a9 eeacrsnis teh ikrs fro eevers PRO nad eend orf ehrtyap +

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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"ccnhrio hihg xgyoen unaisoatrts anc delsvayre fftcae nlug dna eey eomsocut of peremtr snn"f .tiankli

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+0 upvote downvote
submitted by ∗divya(75)

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gaeer thwi yb ha.tur'erek tgriyn ot asy thta ryamipr laog fo rttnaemet thwi mullenpatpse 2o is to amke ures rteeh si no teirlan m.eagad

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submitted by ∗ergogenic22(401)

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ywh is eonoprttci fo het droocih pslu,ex orfm nrutitnlaaecrivr rpurute coanesrdy ot ringaeml ixtamr aregmoherh tno a ibolesps s?nerwa

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whoissaad sey asem u,einqtos both hptioatenry dan arnnrvrtueilitac maghormee acn roccu eud to ihhg eyxnog .velles. +

cienfuegos I saknilmtye hscoe dhcrooi euplsx ot,o besad no wkii sseme hist is tmos mncmoo csaue fo HVI in mret sfinan:t IHV in hte rterepm ainbr luuylsa essria mrfo eht eimnlarg xitarm hereasw HVI ni eht remt snatfin onegsaiirt orfm het rhooidc xup.sle ,Hweevro it si trayapirlucl ommnoc in trupmeera nisnfta or hetos of yevr low rbthi h.ewi.g.t oMts ilttvnnurairecra esrgroeamhh ucocr in eth rtsif 27 ohsur afrte .ihrbt eTh rkis is ncrdieaes wthi eus of alctropoeeraxr rmebanme enoxyaitnog ni pmrrtee ai.nsftn .aveunnwrrtiaBa/triihokg/hakrsrlio:#itnig_aeI.phcidmeepw/ert/seb +

burak ihodorc xuleps si rffedtien hnta mglerain taxmri +

meryen13 arltien hghmreareo is emro mmncoo hatt VHI enve if uyo hnikt htta ti duocl magdae rhdiooc lecasp seydrnaco to girlmane imtrax mh.rhao egremn.le/m/6.bvhngwndb1o0ih8it.1pp:/tcuw1w/34.s +

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-4 upvote downvote
submitted by ∗lilmonkey(63)

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Aeonyn dngaire hits usiqneto

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SPOILER ALERTTTTTTTT

lollll i got this right because of This is Us.

+/- alexv0815(10)

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