NBME 18 Greening reaction on blood agar (NBME Answers)

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NBME 18 Answers

nbme18/Block 2/Question#34 (reveal difficulty score)
25 yo woman, fatigue for 3 weeks
Greening reaction on blood agar 🔍 / 📺 / 🌳 / 📖
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+14 upvote downvote
submitted by ∗namira(39)

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irltMa valve and heett inceagln ear yke rswod orf ptreS daiirvsn sagindis.o It si phala helymtcoi os it lduow avhe a egngiren inr.caote

ntaimropt ietnnmo ot wcath out o:fr

hTe otonphci senrwa si rictrocen eeacubs it syas iiiihonntb" BY o."pithonc rnidsiVa is niertasts to oiontcph os tath srenwa si ir.eontrcc

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+3 upvote downvote
submitted by ∗laplace1(4)

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s"airnV"di rytillale senma eregn

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+1 upvote downvote
submitted by ∗namira(39)

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trliMa levav nda ethet neingcal era kye orwsd fro eptSr siindvar igsdias.on It is lapah yeolicmth so ti luodw evah a eniegnrg eaiotc.nr

mortnipat ineotmn ot tachw uot r:fo

hTe ncioohpt nwsear is rctroenic cbueesa ti asys ot"ibihnini BY pnhcti."oo risiVnda is srnatiets to iohopnct os htat wsnrea is itoncr.rce

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-23 upvote downvote
submitted by ∗famylife(110)

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iThs si septr enu,opm whcih sah halpa hsmlosiey (n)rege

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breis How is this differentiated from Strep Virdans which is Optochin Resistant? Because Strep Pneumo would also be inhibited by optochin* +2

mjmejora its strep viridans. Strep viridans has a "protected chin mask" and strep pneumo is "exposed" in the sketchy. +8

rthavranek Once again, another example of me knowing the concept but not knowing the obscure pseudonyms for common knowledge so I get the question wrong +1

dtransistor I saw green and immediately thought of pseudomonas and crossed that answer out. Didn't know they were talking about alpha hemolysis! +

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