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 12.7 oTo hmuc xeayonitong acn sceau feer rdlacai mdeaga ndliaeg to phraiyenott fo ripurtayetm

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mmm21 yOak i ithmg eb rdadre,te tbu hwy i cnat’ eudnrtsand taht hyte r ksnaig atubo eht gnthi taht si dgameda ? 😂😂 +8

sahusema uriSslo!ye Teh iostuqen ayss et"h lago of enrmtetat is eth ptitocerno fo whhci of teh foollgnwi tuu?srt"ersc If oot uchm 2O dsaegam eht aiernt, ohw si tshi ertatetmn sdoeppus to be eiceottvpr ot eth aenti?r +2

ratadecalle I tinhk too umhc xoenyg woudl be itwh hte nrtaevloit iavhgn a ihhg OiF2 ne,gistt wchhi yhet d'tno onminet rhee tub m'I ussgegni thats eht tihng terhye' lclongrtino ot vioda exnogy ?ociixytt +2

burak yeht tnd'id give the tnietpa 2foi 0,1%0 oiequsnt ssak hte oansre rfo it. tub ni a evyr udipst wya +31

naught lneampSelptu O2 amy asol ecsua nyuranoplrobchom sapsyaidl or uvrcriiaetatlnnr mrahgeeorh imr(glaen ritmx,a ldtceao in aibrlurntecvsu onze NTO cohdoir slpue)x +1

fkstpashls 92%59- 'sitn hg,hi btu i'ts huoegn ot tge nrgihtyeev sele xdneayo.egt euaseBc i'ts not 100% high fwlo teh isatenr ot'nd aalicurrsvzvoee- nda edla to h,eeghrm/eargaaodm and shit leki ht.ta +1

soccerfan23 nI trhoe ..eh.wsd.ort tesoiqun is iysalblac isakgn why teyh evga the atipent a fo2i of %-2959 dinaest fo %.010 hTe nareso is uabeesc %100 ygoenx lduwo adle ot ntayipthroe of yrtite.umpar hTe rleow 9925%- xnyeog lsleve tpoecrt eht rtnaie mfor gmd.aae eTh gwirndo of teh usoeiqnt suksc hto i.om +3

randi FA 2910 1p02 nrdeu ereF rldacai yiunrj xpalesme +

umpalumpa rmfo RNETAU otht%n2n70OtpeSt#es0ttmsltt2v%2hh:2%iruegs%&iasrae0exawxow%as0a2ma02,c2Dn.onohse0uS%aast02ar~r0%n.e202%gt0w2as%ttx0i2hn2i4a%/%tmlvOd0:/otxe2ar5gahde;aDt%.1c%.,tP=2ieuo:=s1/t2hrig/2%hi%en7Rynpe%Inew:e0yuc0 revl Sae tcerne sidtesu heav osnhw a lrteahpinsio ntebewe a xhy-ngigeho atuianrsot nad ORP. It esmes ahtt a OaSg&92t%;3 asrcesien eht ikrs fro eesevr PRO nda ende orf rtheapy +

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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+2 upvote downvote
submitted by ∗mcl(671)

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io"cnchr gihh eoxygn ritsustoana nca esldvayre etcaff nugl nad yee otmoceus of tpeerrm "fanntis. ikln

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+0 upvote downvote
submitted by ∗divya(75)

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eraeg htiw rrhy uk'eat.be ynitrg ot sya hatt priraym loga fo amnttteer wthi llspenupetma 2o is ot eakm seru eterh is no nrtilea emga.da

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submitted by ∗ergogenic22(401)

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hyw si ootnpretic of het hidrcoo xlu,pes mfor rilnvaneattcuirr uturerp ercsydona ot agimreln xtimra armgoreehh ont a pilsobse ?eswnra

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whoissaad sye easm ustn,ieqo hobt yhnrpitatoe dan irtrnnciretluava aromemghe cna rccou ued to ihhg ngeoxy .el.svle +

cienfuegos I skaynlmtie oehcs rdohoic pulxse o,ot beasd on wiik smese tshi si smot oomnmc scuea of VHI in ertm safnint: VIH ni het eretrpm rinab suullya ssraie form the ernmiagl xratmi waehres IHV ni teh emtr sfniant riteginsao morf eht dorhioc x.sulep Hoerv,ew ti si alrpuyirlatc omcmon ni utperarme insafnt ro tshoe fo yver owl tbrih it.w.he.g Mots iairttrnavrcluen hsorehmgare crouc in het itsfr 72 rosuh rftae btih.r ehT kisr si crsiednae ihwt seu fo xepctlararrooe rmbameen oinengtaxyo in ermretp f nansi.tapleBwitridre/i.ietba#er_gemrsaapgtcswrho:ti.vnIaeh/uik/ih/nonkr +

burak corohid slpexu si rdetfnfie ahnt nrimagel atrmxi +

meryen13 rlnetai gemaorherh is moer mmocno ttha IHV evne if uyo khtni that ti oludc daegma irochdo clpeas oyrdascne ot iaerglnm tixmra rhaoreegmh..mgw1nvibcbww38phi4u:m/dn6ho0ts/.p/nl1te/1.. +

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-4 upvote downvote
submitted by ∗lilmonkey(63)

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nyeAon airendg isth entsuioq

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SPOILER ALERTTTTTTTT

lollll i got this right because of This is Us.

+/- alexv0815(10)

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