NBME 21 Retina (NBME Answers)

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 .721 Too ucmh gtxoeinnoya nac cesua erfe laadcri dameag daignle ot ptahoertniy of mruirtetapy

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mmm21 Oayk i timhg eb d,ateredr tub yhw i na’tc asrndtednu htat yhet r insakg abotu hte nhgit tath is dgemada ? 😂😂 +8

sahusema eyr!oisulS ehT itsuqnoe asys het" lgoa fo raenemttt is teh npterctoio of chwhi of eth fwiglnloo ur?ctu"tsesr fI too hmuc 2O eaagsmd the r,ietan ohw is iths taetmnrte usdpepos ot eb rievpcetot ot eth rtn?iea +2

ratadecalle I nkthi oot hcmu xgyone lowdu be iwht teh airlvetont aivhng a ghih FOi2 ignt,tse wcihh heyt t'odn nneotmi eerh utb mI' esignusg athts eht hntgi rteyeh' nnglclotroi ot iavdo oeygxn toiyit?cx +2

burak tyeh dt'dni gvei het piattne o2if %,001 enqtuosi asks teh onresa for t.i but ni a vyer sdiput yaw +31

naught lemlatpnpuSe 2O may losa uscae orbnoohyaplrumcn isyaslapd ro uninrtcralrvtiae mgrehaheor lemgr(ain mrxt,ai doatcle in erbratlusucinv oenz NTO docohri x)pesul +1

fkstpashls 299%-5 tsni' hi,hg tbu 'tsi nohgue ot etg hetvyenigr seel e.eogdxtayn Bceuaes ti's ont 01%0 ihgh fwol eht eiastrn ntdo' veeirlaazosur-vc dna dlea ot me,/arodaegehgarmh dan tshi lkie .hatt +1

soccerfan23 nI herot hto..w..erds useoitnq si lylabcsai akgnis wyh hety vgae het ainttpe a oif2 of -%2995 antseid of 1.%00 eTh aronse is ceaesub 01%0 xgnoey uwlod lead ot orihattpeyn of rutiryamtpe. heT leorw 5-%299 onxgey svelle rtpocet teh irtane fmro emagda. hTe niwrdgo fo eth stioenqu uscks tho i.om +3

randi FA 9102 102p unerd reFe ildcara nuijry lepxsmea +

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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)

+2 upvote downvote
submitted by ∗mcl(671)

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rchcino" high ygoenx tornuaitass can yeedsrvla ctfeaf nlug dan yee uotsmoec fo pmeterr nft" n.saiilnk

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+0 upvote downvote
submitted by ∗divya(75)

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regea hwit etr'.bya uhker iygtnr ot yas tath mryprai galo fo eetmnartt tiwh smtalleunepp 2o is ot kame srue rthee si on aeitnrl m.egdaa

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+0 upvote downvote
submitted by ∗ergogenic22(401)

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why si toptncreoi fo het rdchioo ,sxuple fomr cvltarnruniarite rrupeut oeyascdrn to agriemnl imtrxa rgomearhhe ton a plsesibo easn?wr

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whoissaad eys msea eistuq,no thob etnoayrihtp dan itaavtunlecirrrn meahomger anc rocuc edu to hghi geoxny .eslev.l +

cienfuegos I simeynlakt echos oriochd sxpleu o,to based no iikw essme hsti si somt mnoomc auesc fo VIH ni mret nfistn:a HVI ni teh rtmepre iranb sulylua aesrsi ofrm the egmarlni mrxtai rahesew VIH ni the remt nsftani insatrioeg rfmo eth irdhooc .xsuple owr,eHve ti is atpacyirrlul omocnm in ueretmpra fnitans ro eosth fo evry wol tbirh g.ht..eiw tMos lrauietnncvrtira amheroehgsr ccruo ni eht risft 27 orush areft thibr. The kisr is idseacern thiw eus fo rxoocaplerrtae nememrba eonngioxtya in rmptree ns fani.te_rBwmc/haagi/dta.ehbnpahakseeoiupilo#rntkriIsn.e/iwei:grtivtrr/ +

burak iordcho lpuesx si editnreff ahtn igealnmr rmaxti +

meryen13 ltianre egaemorhrh is roem cnomom htat VHI enve fi uoy tiknh that it could gamdae ochrido esplac reydoacsn to ainelgrm airtmx erhahomr.eg ..1nc6w.mnt/dlisw.:041n3/v/hg8mihwbuo/btp1pe +

-4 upvote downvote
submitted by ∗lilmonkey(63)

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onyAen naegrdi htsi teonsiuq

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lollll i got this right because of This is Us.

+/- alexv0815(10)

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