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Cards (42)

  • How many times do you defecate rice water stool when you are infected with V. cholerae?
    10 to 30 times
  • Rice water stool can lead to what manifestation?
    Hypotension
  • What strains are capable of Epidemic and Pandemic?

    Somatic Antigen 01 and 0139
  • What are Non-Epidemic and Extraintestinal?

    Non-01 and Non-0139
  • This organism is fragile and has dormant stages
    V. cholerae
  • What are the manifestations of V. cholerae?
    Watery diarrhea, hypotension and low blood pressure
  • In the collection of V. cholerae, what is preferred?
    Feces and Rectal Swab on acute phase
  • If Vibrio spp is suspected, what medium do you use?
    Cary-Blair medium
  • What is toxic for vibrios?
    Buffered glycerol saline
  • What is the microscopic appearance of V. cholerae?
    Rapid darting or shooting star
  • What type of microscope to use for V. cholerae?

    Dark field microscope
  • In culturing V. cholerae, what broth do we use and what pH?
    Alkaline peptone water and 8.4 ph
  • What has 1% NaCl and bile salts that inhibits gram positive and sucrose for dierentiation —most preferred?

    Thiosulfate-bile-citrate salt-sucrose agar
  • What color are the colonies of sucrose fermenters?
    Yellow
  • What color are the colonies of non-sucrose fermenters?
    Green
  • What are under sucrose fermenters?

    V. cholerae
    V. alginolyticus
    V. metschnikovii
  • What are under non-sucrose fermenters?
    V. mimicus
    V. vulnificus
    V. parahaemolyticus
    V. damsel
  • What is the ph indicator of v cholerae and its color?
    Thymol blue and Parathymol blue
    ph of 8.6
  • What does v cholerae ferments and what does it not?

    Glucose, and it doesn't ferment lactose
  • Is V. cholerae positive in string test?
    Yes
  • What is oxidase, indole, lysine, and odc positive?
    V. cholerae
  • What is the reagent of String Test
    0.5% sodium deoxycholate
  • lyses of cells releases DNA and RNA, which can then pulled up into a viscous string (vibrio only)
  • In Vibrio Chrom Agar, what color is V. vulificus?
    Blue
  • In Vibrio Chrom Agar, what color is V. Chrom Agar, what color is V. parahaemolyticus?
    Pink
  • How to identify V. cholerae?
    1. Check the stool consistency
    2. Activity and recent food intake
    3. Biochemical testing
    4. Enterobacteriaceae
    5. Serological Serotyping
    6. Nucleic Acid-Based Testing
  • In other Vibrio specie, what is the 2nd most common that is associated with gastroenteritis?
    V. parahaemolyticus
  • V. parahaemolyticus is the etiologic agent of what?
    summer diarrhea
  • What is the leading cause of pandemic?
    V. parahaemolyticus serotype O3:K6
  • Mode of Transmission: Ingestion of contaminated seafood: oysters, scallops, crabs, lobsters, shrimps and sardines
    V. parahaemolyticus
  • What species virulence factor is Heat stable hemolysin lyses RBC
    V. parahaemolyticus
  • What agar can you use for V. parahaemolyticus?
    Wagatsuma agar
  • What vibrio specie is non sucrose fermenter?

    V. parahaemolyticus
  • What vibrio specie is lactose positive?
    V. vulnificus
  • Mode of transmission ingestion of contaminated food: oysters and fish
    V. vulnificus
  • What is formerly V. hollisae?
    Grimontia hollisae
  • What is naturally found in marine environments?

    Grimontia hollisae
  • It is the only pathogenic species in the Vibrionaceae family that DO NOT grow on thiosulfate-citrate-bile salts-sucrose agar (TCBS)
    Grimontia hollisae
  • Ulcerative lesions in skin and hemorrhage in mouth, eyes, and muscles
    Photobacterium damselae
  • One of the pathogenic members of this family which is originally found in damselfish in 1981
    Photobacterium damselae