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Samantha Mendoza
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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?
Check the
stool consistency
Activity
and
recent
food intake
Biochemical
testing
Enterobacteriaceae
Serological
Serotyping
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
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