Micro Test 3: Fun Facts 2

Card Set Information

Micro Test 3: Fun Facts 2
2012-12-16 21:43:18
Fun Facts

Fun Facts 2
Show Answers:

  1. Do NOT elicit a cellular response form
    Superficial mycoses
  2. Superficial mycoses affect skin involving only
    stratum corneum
  3. Fluoresce yellow-green under Wood's light
    Pityriasis versicolor
  4. Requires oil in media
    Pityriasis versicolor
  5. Generates a cellular response
    Cutaneous mycoses (keratinized layers)
  6. Caused by dematiaceous (black mold) containing melanin in its cell walls
  7. Sinusitis:  Inability to respond to multiple rounds of antibiotics
  8. Sinusitis:  Immunocompromised ppl
  9. Sinusitis:  Proptosis in children
  10. Sinsusitis:  Calcification in sinus on CT
  11. Invasive sinusitis tx
    Amp B
  12. Anti-fungals:  Inhibits ergosterol synthesis
  13. Antifungals:  Acts on ergosterold to form pores/holes in cell membrane (Amp B)
  14. Lungs to skin
  15. Skin to lungs
    Histoplasma capsulatum
  16. Antifungals:  Causes inhibition of protein synthesis and inhibition of DNA synthesis in the nucleus of hte cell.  Deaminated by cytosine deaminase
  17. Antifungals:  Inhibits fungal glucan synthesis, leading to depletion of the substance in the cell wall
  18. Erythema nodosum
  19. Endemic in MS river valley dogs
  20. AIDS defining fungus
    Coccidiodes mycosis
  21. Bat, chicken, bird droppings (esp. starlings)
    Histoplasma capsulatum
  22. Rural LA soil
  23. Immunocompromised Taiwanese
    Penicillosis maneffei
  24. Which fungi is not yeast  phase at 37 C?
    Coccidiodes immitis (Spherules w/ endospores in hosts)
  25. Which fungus is not a mold/mycelial phase at 25C?
    Coccidiodes immitis (Mycelial phase in environment)
  26. Is mucocuctaneous candidiasis associated w/ disseminated candidiasis?
    No, not disseminated (but it is associated w/ HIV)
  27. 3 things that have increased the incidence of candidiasis
    • Antimicrobial agnets
    • Corticosteroids
    • Central venous access devices
  28. Oval yeast with a single bud
    Candida albicans
  29. 3 things associated with candidal endocarditis
    • IV drug users
    • Pts. w/ prosthetic heart vlaves
    • Prolonged use of central venous catheters
  30. Associated w/ pigeon droppings and NOT dimorphic
    Cryptococcus neoformans
  31. What limits capsule formation of Cryptoccocus neoformans
    High salt and polysaccharides
  32. When do cryptococcus neoformation regnerate their capsules
    Once they reach lungs
  33. 90% of AIDS pts. will develop life-threatening infection due to
    Meningitis cause by Cryptococcus neoformans
  34. Lumbar puncture shows encapsulated yeast.  Causative agent?
    Cryptococcus neoformans
  35. Type of cryptococcus that infects immune competent individuals w/ pneumonia and neurologic involvement
    C. gatti
  36. Septate hyphae, V-branching
    Aspergillus fumigatus
  37. Grows only as mold
    Aspergillus fumigatus
  38. Nonseptate hyphae
  39. Spores germinate in the sinuses of diabetics
  40. Erythema migrans
    Lyme Disease
  41. Most common tickborne illnes in N. America and Europe
    Lyme Disease
  42. Spirochetes are found in tissue in earlyor late disseminated lyme disease
    Early on
  43. Epidemic relapsing fever transmitted by
    body lice
  44. Endemic relapsing fever
    soft ticks
  45. Name 6 intracellular bacteria.  Of these which remain in the endocytic vacuole in host cell?
    • Orientia
    • Ehrlichia and Anaplasma
    • Coxiella brunetti
    • Chlamydia

    • Coxiella and Ehrlichia (monocytes and macrophages)
    • Anaplasma (neutrophils)
  46. Rickettsia invades
    endothelial cells of small blood vessels
  47. Centrifugal rash
    Endemic or Murine typhus
  48. Endemic of Murine typhus
    • Rickettsia typhi
    • Flea or louse vectors
  49. Epidemic typhus
    • R. prowazekii
    • Lice
  50. Ricketsialpox
    • Rickettsia akaria
    • Mouse bite, small eschar at bite site
  51. Small Cell Variant of Coxiella brunetti
    Phase I antigen
  52. Acidophilic
    Phagolysosomal vacuole at pH 4.5-5.5
  53. Scrub typhus caused by
    Orientia (Centrifugal rash)
  54. Scrub typhus
  55. Category B. bioterorrism agent
    Coxiella brunetti
  56. P1 adhesion protein
    Mycoplasm pneumoniae
  57. Erythema multiforme
    Mycoplasm pneumoniae
  58. Bird shop
    chlamydia psittaci
  59. Chlamydia trachomatis
    TC PURred

    • Trachoma- A,B, Ba, C
    • Conjunctiva- D-K
    • Pneumonia- D-K
    • Urogenital infections- D-K
    • Reiter's Syndrome- D-K
    • LGV- L1, L2, L3
  60. Elementary body
    Small, infectious (Chlamydia)
  61. Reticulate body
    Large, non-infectious replicating form, metabolically active (Chlamydia)
  62. Trachoma serovars replicate in
    LGV serovars replicate in
    Trachoma- Non-ciliated epithelial cells of mucous membranes

    LGV- Mononuclear phaogyctes
  63. No long-lasting immunity in
    Chlamydia trachomatis
  64. Puritic papules
  65. Primarily oral lesions thar produce gummas
  66. Yaws has an initial lesion that becomes a
    large papilloma
  67. Weil Syndrome, Hawaii
    Leptospira interrogans/ Biflexa
  68. Most common vaginal infection in women of childbearing age
    Bacterial vaginosis
  69. Based on # of large Gram-P bacillia vs. smaller anaerobes (G-)
    Nugent score
  70. Most common cause of PID
    Chlamydia trachomatis
  71. HSV-2 replicates in
    epithelial cells
  72. Ascends PSN to DRG during latent stage
    Herpes (HSV-2)
  73. Transverse myelitis is complication of
  74. Most common STI worldwide
  75. HPV types in genital warts
  76. HPV types in cercial cancers
     16, 18
  77. 4 anteriorflagella
    Trichomonas vaginalis
  78. Fitz-Hugh-Curtis Syndrome
    Inflammationof the serous coverig of the liver, spread from PID in women only
  79. Chandelier Sign
    PID (Chlamydia trachomatis)
  80. Gummas in what stage of syphilis
  81. Hutchinson's triad
    • Tooth deformation
    • interstitial keratitis
    • 8th nerve deafness
  82. Saber shins and saddle noses
    Late Congenital Syphilis
  83. Jarisch-Herxheimer Rxn
    Flu like symptoms due to mass killing of Treponema pallidum (syphilis) by antibiotic or other spirochete diseases (Lyme Disease, etc.)
  84. Clue cells, KOH whiff test
    Bacterial vaginosis
  85. Copious froth yellow vaginal discharge
    Trichomonas vaginalis
  86. Painless genital ulcer diseases
    • Syphilis
    • Granuloma inguinale (donovanosis)
  87. Painful genital ulcer diseases
    • Genital herpes
    • Chancroid
    • Lymphomagranuloma venereum
  88. Amebic liver abscess
    Entamoeba histolytica
  89. Trophozoite is totally ciliated
    Balantidium coli
  90. 8 sporozoites
    Cryptosporidium parvum
  91. Primary amebic meningoencephalitis (PAM)
    Naegleria fowleri
  92. Granulomatous amebic encephalitis (GAE)
    Acanthamoeba sp., Leptomyxid amoeba
  93. Trophozoites replicate by promitosis (nuclear membrane remains intact)
    Naegleria fowleri
  94. Trophozoites replicate by mitosis (nuclear membrane dissolves)
  95. Infect humans by penetrating the nasal mucosa and migrating to the brain via the olfactory nerves
    Naegleria fowleri (PAM)
  96. Cysts and trophozoites are found in tissues
  97. Bull's eye nucleus
    PAM/GAE have this and PMN leukocytes don't
  98. Coiled polar tubules
  99. Malignant tertian
    P. falciparum
  100. Benign tertian
    P. vivax
  101. Predominant species
    P. vivax
  102. Most benign malaria
    P. malariae
  103. Causes banana shaped gametocytes
    P. falciparum
  104. Rupture of spleen
    P. vivax, P. malariae
  105. A single DNA containing mitochondrial organells where the flagellum originates
  106. Romana's Sign
    Acute T. cruzi
  107. Kerandel's Sign
    Chronic trypanosomiasis:  Delayed hyperesthesia on palms and over ulnar nerve
  108. Th1-response- cell mediated immunity