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Jonathan Wilcock Microbiology ABPath Inglés 147 fichas

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  1. 1Which species of campylobacter cannot be cultured due to hydrogen requirementsUpsialensis
  2. 2What direct stains can be used for acanthamebaGiemsa and calcafluor
  3. 3Plasmid AmpC vs ESBL - look at susceptibility toCefotetan (ESBL sus, AmpC R) and clavulanate (ESBL should have lower MICs with addition compared to AmpC)
  4. 4Spirillum minus causes ____ in ____Rat bite fever; Asia
  5. 5The percent of success when an organism is S vs R90, 60
  6. 6Abx that are dependent on time above the MICBeta lactams, macrolides, lincosamides (clinda)
  7. 7Abx dependent on AUCAmigoglycosides, quinolones, azithro, tetras, vanc,
  8. 8What drugs shouldn be reported for CSForal drugs, 1-2 gen cephs, clinda, macrolides, tetras, quinolones
  9. 9What should get betalactamase testingAnaerobes (not b frag), N. gon, H. flu, M.cat, enterococcus
  10. 10A pos beta lactamase indicates resistance toPen, amox, amp, pip, and tic
  11. 11ESBL screenR to 3rd gen
  12. 12ESBL confirmationIncrease in zone diameter of 3rd gen by 5 mm with addition of clav
  13. 13Defunct confirmatory test for carbapenemaseModified Hodge test
  14. 14Corys that should be treated with vancJeikeium, striatum, and amycloatum
  15. 15How to differentiate erysipelothrix from cory and listeriaalpha hem (weak), cat neg, non-motile
  16. 16How to differentiate lactobacillus from other organismsNo H2S, no catalase, nonmotile
  17. 17Finegoldia may be resistant toClindamycin
  18. 18An anaerobic staph-like GPC that is catalase and coagulase negativeS. acchrolyticus
  19. 19The swarming clostriumsepticum
  20. 20Septicum is lecithinase ___ and lipase ___neg, neg
  21. 21Crepitant myonecrosisC. perfringens
  22. 22Boxcar GPCC. perfringens
  23. 23C. diff is positive for this biochemicalGDH
  24. 24Which fusobacterium causes brain abscesses? Lemierre?Nucleatum; necrophorum
  25. 25F. nucleatum fluoresceschartreuse
  26. 26Which important pathogen is inhibited by mycoselCryptococcus
  27. 27A fastidious GNB that doensn`t need sus testingPasteurella - reliably sus to pen
  28. 28Condyloma lata occur duringsecondary syphilis
  29. 29Tertiary syphGummas, tabes, argyle
  30. 30Lyme late stagearthritis, palsy, carditis
  31. 31Toxic component of LPSLipid A
  32. 32The oxidative fermentation test differs from a regular fermentation testA third uncovered tube - if it turns yellow but the covered one doesn`t, metabolism happens oxidatively only
  33. 33Fagellae in motile enterobacteriaciaePeritrichous (on the sides)
  34. 34GNB causing infanile diarrheaEPEC
  35. 35Salmonella patients that should be treatedSystemic, carriers
  36. 36Kleb resistance Enterobacter resistance Citrobacter resistance Serratia resistanceAmp
    Amp, sul, 1-2 gen
    Amp, sul, 1-2 gen
    Amp, sul, 1-2 gen
    Also 3rd gen should be avoide for the last three
  37. 37A. baumanii is glucose ox ___ while lwoffii is ___pos; neg
  38. 38Important biochemicals for stenotrophomonasOX neg, motile, Glucose and maltose oxidiser, DNAase and LDC pos
  39. 39Cholera toxin producing strainsO1 and O139
  40. 40Wound infections after eating oystersV. vulnificus
  41. 41Cefiderocol testing may be affected by iron in which situationsmicrobroth dilution and disc diffusion
  42. 42Trailing in cefiderocol may be ignored ifit is light or faint compared to the control
  43. 43Optochins. pneumo vs. viridans
  44. 44BacitracinGAS vs. GBS
  45. 45NovobiocinS. epi vs. sapro
  46. 46Serology for poststreptococcal sequelaeASO + if pharyngitis, neg if skin
    DNAse B pos for both
  47. 47GBS IDhippurate +, PYR -
    CAMP+
  48. 48Components of mycolic acidC22-C26 carbons with methyl esters
  49. 49The PPD is derived fromCell wall proteins such as porins and transport proteins
  50. 50M. haemophlium should be cultured onChocolate
  51. 51False pos PPDBovis AND fortuitum
  52. 52Important biochemicals for MTBPos niacin and nitrate and heat labile catalse (68C instable)
  53. 53Mycobacterium that only grows in brothM. genavense
  54. 54MDR TB=Isoniazid and rifampin
  55. 55XDR TB=Isoniazine+rifampin+3 second lines
  56. 56Germ tube proceduresuspend in serum at 37 for two hours
  57. 57PNA fish greenAlbicans and parapsilosis
  58. 58PNA fish yellowtropicalis
  59. 59PNA FISH redKrusei and glabrata
  60. 60A red PNA fish means treatment withechinocandin
  61. 61Green on candida chromagarAlbicans
  62. 62Metallic blue on candida chromagartropicalis
  63. 63Pink on candida chromagarKrusei
  64. 64Urease + yeastcyropto, tricho, malassezia
  65. 65Yeast sus indicationsSterile site, candidemia, failed therapy, neutropenia
  66. 66The ampho resistant yeastC. lusitanae and Trichosporon ashaii
  67. 67The dermatophytes that invade nailsTrichophyton and epidermophyton
  68. 68The dermatophytes that invade hairTrichophyton and microsporum
  69. 69The tick with festoons and mouthparts longer than wideAmblyomma
  70. 70The binax now detectsHistidine rich protein II (P falcip) and Aldolase (All plasmodia)
  71. 71Fimbriated RBCOvale
  72. 72QuartanMalariae
  73. 73What should you add to vivax/ovale regimenprimaquine
  74. 74Babesia treatmentatovaquone plus azithro or clinda plus quinine (severe)
  75. 75Western Africa trypanosomeGambiense
  76. 76Eastern africa trypanosomeRhodisiense
  77. 77Which african trypanosome causes worse diseaserhodisiense (eastern)
  78. 78The infective form of hookworms and strongyL3 - filariform
  79. 79Which hookworm has platesNecator -
  80. 80Long buccal canalHookworms
  81. 81Urticarial rash after worm infectionStrongy
  82. 82The form of strongy larvae in the stoolRhabiditiform
  83. 83Short buccal canal and prominent genital primordiumStrongy (short and sexy)
  84. 84Crohn like symptoms after eating raw fishAnasakis
  85. 85Central rostellum with hooksT. solium (think how solium is worse)
  86. 86Largest human tapewormD. latus
  87. 87CholangiocarciomaClonorchis sinensis
  88. 88The two most important viral exceptionsDNA - parvo, single stranded
    RNA - Reo, double stranded
  89. 89Flu A susceptibility2009 and seasonal H3 - O S, A R
    seasonal H1 - O R, A S
  90. 90Equine encephalitis viruses areToga viruses
  91. 91Which trypanosome may display binary fissionbrucei
  92. 92Which class of antibiotics may appear active in vitro against salmonella and shigella but cannot get intracellular to high enough conc to killAminoglycosides
  93. 93NDM and other metallos are resistant toceftolozane-tazobactam
  94. 94KPC is inhibited by which beta-lactam-lactamaseCeftazidime-avibactam
  95. 95Sudden detectable viremia for HIV in a compliant patient may betransient and will self resolve - recheck in a few weeks
  96. 96Testing for GAS in young kids shouldnot be done in most cases - complications are rare and colonization is common
  97. 97Sloughing of uterine lining after mifepristone/misoprostolC. sordellii
  98. 98Which C. difficile toxin causes pseudomembranetoxin B (cytotoxin)
  99. 99Weakly catalase positive GCP in clustersRothia
  100. 100Best skin anticonaminant agentClorhexadine
  101. 101Which common cause of fungemia does not require lysis centfiugationCandida
  102. 102What is the appropriate test environment for optochin5% CO2 - otherwise mitis might test sus
  103. 103Which soil helminth is infective immediatelyStrongy
  104. 104What is a drawback of spiking studiesNot taking into account different strains
  105. 105Most nonlactose fermenting rods of significance (including pseudomonas) are intrinsically resistant to this carbapenemertapenem
  106. 106Which clostridium is aerotolerantC. tertium
  107. 107Virus associ with strongyHTLV1
  108. 108Which strain of influenza is affected by drift vs shiftA only for shift, A and B for drift
  109. 109Which form of malaria is injected into humanssporozoites
  110. 110Which plasmodium causes nephrotic syndromemalariae
  111. 111Most common plasmodium coinfectionsfalcip and vivax
  112. 112Early troph definitionless than 1 half of cell
  113. 113Cause of visceral leishdonovani
  114. 114Cause of mucocuntaneous leishbrazliensis
  115. 115E coli in spinal fluid of IC hostStrongy autoinfection
  116. 116Triad of eosinophilia, hepatosplenomegaly, and pneumonitisToxocara - visceral larva migrans
  117. 117Most common chromoblastomycosis orgsFonsecae, phialophora, cladialophora, cladospoirium, exophiala
  118. 118Most common phaeo orgsExophiala, wangiella bipolaris, curvularia, atlernaria, cladosporium
  119. 119LDH is elevated with infections by this fungusPneuocytstis
  120. 120Olecranon bursitisPrototheca
  121. 121Limit of detecrtion fo auramine rodamine10000mL
  122. 122Mycobacterial specimens that should be cultured on chocolateSkin, joints, bone
  123. 123When a person can leave isolate for MTB2 weeks of treatment+improved symptoms+3 consecutive negative sputums 8-24 hour intervals (1 must be early morning)
  124. 124Secondary tuberculous drugsflouros, aminoglycosies, polypeptides (mycins), thioamides (ionamdies)
  125. 125A TB isolate with an rpoB mutation is likely resistant to what TWO drugsrifampin AND isoniazid
  126. 126M. kansasii is usually reistant toIsoniazid
  127. 127Most comon cause of scrofulaMAC
  128. 128Donut AFB coloniesMAC
  129. 129Footbath associated AFBM. fortuitum
  130. 130CTX-M has ___ resistance to 3rd and 4th gens, while TEM and SHV have ___reliable; variable
  131. 131Enterobacter with resistance to ertapenem only indicatesan ESBL with a porin mutation
  132. 132Depressed vs. consitutive ampCCefepime
  133. 133The most common organisms with depressed AmpCC. freundii, K. aerogenes, E. cloacae
  134. 134B. cepacea environmental strains differ from clinical strains inintrinsic resistance/susceptibility
  135. 135The two staphs for which fox testing isnt appropriatepseudointermedius and schleiferi (also epi should only be by DD)
  136. 136The screen that can be done for all staphsOx MIC (but may overcall resistance so confirm if serious infection)
  137. 137Lipoglycopeptides (vancins) should only be reported for enterococci that arevanc sus
  138. 138The only enterococcus for which fosfo should be reportedfaecalis
  139. 139BLNAR strains should beconsidered resistant to all beta lactams regardless of test results
  140. 140PCN can predict sus for S. pneumo to other beta lactams except formeningitis cases
  141. 141Macrolide sus can usually be predicted byerythromycin
  142. 142Levo usually predicst FQ sus, but resistance to Levomay not predict resistance to others
  143. 143Gram pos anaerobes are usuallybeta lactamase negative
  144. 144B frag is resistant to which beta lactamsPCN and amp
  145. 145Pos carba NP colorlight or yellow
  146. 146eSIM is negative for ___ and positive for ___serine; metallo
  147. 147A negative nitrocefin should be followed bya disk diffusion (nitrocefin is less sens)

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ABPath Microbiology Fichas sobre 1, creado por Jonathan Wilcock el 16/09/2023.
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