Kim! Hi! Itโ€™s your dad!๐Ÿ‘‹ ▪ Khalilah, Iโ€™m proud of you for taking a risk for your dream.Everyoneโ€™s explanations tend to be so on-point, and the commiseration makes me feel better, too!Hi Hira. You are doing a good job!Hey Shariq! Doing a great job!                       want to add a fly-by? email us! ๐Ÿ˜Š
share email twitter ⋅ join discord whatsapp(2ck)
Free 120  NBME 24  NBME 23  NBME 22  NBME 21  NBME 20  NBME 19  NBME 18  NBME 17  NBME 16  NBME 15  NBME 13 
search for anything NEW!
NBME 21 Answers

nbme21/Block 2/Question#48 (reveal difficulty score)
A 75-year-old man has fever, back pain, and ...
Enterococcus faecalis๐Ÿ”,๐Ÿ“บ

Login to comment/vote.

Tutor box

Members from the Leaderboard offering 1-on-1 help: Want to be listed here? Email us!

submitted by felxordigitorum(10),
unscramble the site ⋅ remove ads ⋅ become a member ($39/month)

onQsieut desak ofr gmra epvsitoi oiccc in SA.ICNH .S eausur fmros lceut,srs geintlmaiin t.i iThs slaeev cocrucsontEe alsiaefc dna uproG A .E saealfci is otcsidaesa thwi .sUTI

almondbreeze  get the clinicals but got thrown off by 'chain'. FA2019 pg.137 also says coccus = berry, strepto =twisted (chain), differentiating the two:( +2  

submitted by sinforslide(54),
unscramble the site ⋅ remove ads ⋅ become a member ($39/month)

tI emsse iekl ptSah ueursa TsU'I are otalms vxislucelye ,imlooancso e.sp /w aisettpn htiw rnyriua :eachsrett "We edtniefiid and dnreete onti hte utyds 102 ncecesiouvt ittapnse rof ohwm at alets 1 ieunr rltuuec was oitespvi rfo S. u8s2%r.ea.u. had a rnyauir thceatre of esom etpy ni eapc"l

sreeH' hte iknl ot eth ytsud

submitted by aishu007(4),
unscramble the site ⋅ remove ads ⋅ become a member ($39/month)

acn nanyoe iaxnple why ralscaoeneescuoicftc is teh rnwase e?rhe

priapism  Best I can guess is that both S. aureus and E. faecalis can cause UTI, but S. aureus is described as having clusters where as the other Gm+ cocci are in chains +8  
nala_ula  My doubt here in this question is the fact that Enterococcus faecalis is a normal gut microorganism that causes these different symptoms of sickness after genitoruinary or gastrointestinal procedures... but in this question there is no mention of any procedures. +  
fez_karim  its says chains, so not staph. only other is entero +  
temmy  according to first aid, staph aureus is not one of the high yield bugs for UTIs +1  
temmy  uti bugs are E.Coli Staph saprophyticus Klebsiella pneumonia Serratia Marcescens Enterococcus Proteus mirabilis Pseudomonad aeruginosa +  
privatejoker  Where in FA 2019 does it list that C.coccus is specifically in chains? +  
privatejoker  E.Coccus* i mean +  
divya  @privatejoker FA 2018 Pg 134 table +  
jennybones  @privatejoker Enterococcus is Group-D STREP. Streps are arranged in chains. +2  
santal  FA 2019 Page 639, too. +  
backwardsprogress  Enteroccocus is also a pretty common cause of chronic prostatitis, which was the give away in the prompt if you didnt know the characteristics of entero: +  

submitted by mangotango(20),

Seems like he has pyelonephritis because of the systemic symptoms (e.g. fever). The most common causes of that are E. coli (90%) followed by Enterococcus faecalis and Klebsiella. The only one that fits under "gram positive chains" is Enterococcus faecalis. // Pathoma pg. 132