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bacteriology.. > enterics 3 > Flashcards

enterics 3 Flashcards

1
Q

which of the following gram negative is triple decarboxylase negative

a. e. coli
b. shigella sonnei
c. pantoea agglomerans
d. salmonella

A

pantoea agglomerans

  • it causes nosocomial outbreaks of septicemia due to iv contamination
  • TRIPLE DECARBOXYLASE NEGATIVE ORGANISM
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2
Q

what is the causative agent of Salmonella typhi

a. typhoid fever
b. typhimurium
c. enteritidis

A

salmonella typhi

- causative agent : Typhidot fever

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3
Q

who is the infamous cook

a. Mary Lyka
b. Mary Mallon

A

infamous cook : Mary Mallon

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4
Q

what is the most common Salmonella infection

a. bacteremia
b. enteric fever
c. gastroenteriitis

A

most common salmonella infection

- gastroenteritis

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5
Q

most frequently isolated serotypes of Salmonella in U.S

a. salmonella typhi
b. salmonella typhimurium
c. salmonella enteritidis

A

salmonella typhimurium

  • most frquently isolated in U.S
  • contaminated peanut butter cookies
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6
Q

this salmonella acquired from the ingestion of eggs and chicken

a. salmonella typhi
b. salmonella typhimurium
c. salmonella enteritidis

A

salmonella enteritidis

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7
Q

what is the stool characteristics of salmonella

a. watery stool
b. pea soup stool
c. ribbon like
d. rice watery

A

pea soup stool

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8
Q

what specimen for salmonella is positive during 2nd week of illness

a. bone marrow
b. urine
c. blood
d. stool

A

stool

1st week - blood or bone marrow
2nd week - urine
3rd week - stool

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9
Q

what is the serological test for salmonella

a. latex agglutination test
b. coagglutination
c. widals tests
d. vdrl

A

widal’s test

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10
Q

what spp has a selective media: WILSON AND BLAIR’S BRILLIANT GREEN BISMUTH SUPHITE AGAR

a. salmonella
b. shigella
c. proteus
d. escherichia

A

salmonella

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11
Q

this spp infect the pct and can cause acute glomerulonephritis in patients with UTI and CATHERIIZATION

a. salmonella
b. proteus
c. klebsiella
. serrati

A

proteus

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12
Q

spp that has a burnt chocolate odor or burnt gunpowder odor

a. proteus
b. salmonella
c. klebsiella

A

proteus

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13
Q

what is the serological test for proteus

a. widal’s test
b. vdrl
c. weil felix test

A

weil felix test - proteus

widal’s test – salmonella

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14
Q

which of the following providencia spp is urease positive

a. providencia rettgeri
b. providencia stuarti

A

providencia rettgeri

  • only ureasepositive
  • associated with nosocomial infections of the urinary trract and skin
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15
Q

which of the follwing species of Providencia is pathogen in urinary tract and it also causes diarrheal disease among travellers

a. providencia stuartii
b. providencia rettgeri
c. providencia alcalifaciens

A

providencia rettgeri

  • it is a pathogen of the urinary tract
  • it also causes diarrheal disease among travellers

providencia stuartii
- it is found in nosocomial outbreaks in burn units

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16
Q

which of the follwing species of Providencia is commonly found in FECES OF CHILDREN WITH DIARRHEA

a. providencia stuartii
b. providencia rettgeri
c. providencia alcalifaciens

A

PROVIDENCIA ALCALIFACIENS
- FECES ON CHILDREN WITH DIARRHEA

PROVIDENCIA STUARTII
- BURN UNITS

PROVIDENCIA RETTGERI

  • DIARRHELA DISEASE ON TRAVELLERS
  • URINARY TRACT
17
Q

UREASE POSITIVE

A. P. STUARTII
B. P. RETTGERI

A

UREASE POSITIVE

- PROVIDENCIA RETTGERI

18
Q

what gram negative spp can cause false positive agglutination test with salmonella grouping sera

a. klebsiella
b. morganella
c. citrobacter
d. edwardsiella

A

Citrobacter isolates may cause FALSE POSITIVE AGGLUTINATION ON SALMONELLA GROUPING SERA

19
Q

which of the follwoing spp of citrobacter produces group 1 cephalosphorinase

a. citrobacter koseri
b. citrobactcer freundii
c. citrobacter diversus

A

citrtobacter freundii

  • extraintestinal pathogen
  • isolated in diarrheal stool cultures
  • IT PRODUCES GROUP 1 CEPHALOSPORINASE
20
Q

it causes outbreaks of NEONATAL MENINGITIS AND BRAIN ABSCESS IN NURSERY UNITS

a. steptococcus agalactiae
b. citrobacter koseri
c. citrobacter diversus

A

citrobacter koseri (formerly C. diversus)

  • outbreaks of Neonatal meningitis and Brain abscess in Nursery units

K(oseri)INDER - NURSERY

21
Q

isoalted at cold blooded animals

a. salmonella
b. citrobacter
c. edwardsiella

A

Salmonella
- cold blooded animals only

edwardsiella
- cold and warm blooded animals

22
Q

this gram negative spp is isolated from the enviroment and many COLD-BLOODED ANIMALS and WARM-BLOODED animals

a. salmonella
b. citrobacter
c. edwardsiella

A

Salmonella
- cold blooded animals only

edwardsiella
- cold and warm blooded animals

23
Q

what gram negative is typically associated with WATER HARBORING FISH OR TURTLES

A. citrobacter freundii

b. citrobacter koseri
c. morganella morganii
d. edwardsiella tarda

A

Edwardsiella tarda

  • rarely encountered causing GASTROENTERITIS
  • typically associated with WATER HARBORING TURTLES OR FISH

morganella morgani

  • only spp of morganella
  • associated with STOOL SPECIMEN from patients with symptoms of diarrhea
citrobacter koseri(diversus) and freundii
 -  associated with URINARY AND RESPIRATORY INFECTIONS
24
Q

what organism of entrics are small coccobacilli and PSCHROPHILIC

a. yersinia
b. enterobacter
c. edwardsiella
d. morganella

A

yersinia

- small coccobacilli and PSYCHROPHILIC (cold loving oragnisms)

25
Q

agent of PLAGUE

a. yersinia pestis
b. yersinia enterocolotica
c. yersinia pseudotuberculosis

A

yersinia pestis
- agent of PLAGUE

yersinia enterocolitica
- agent of enterocolitis

yersinia pseudotuberculosis
- causes lymphadenitis

26
Q

fist pandemic of yersinia pestis

a. black death
b. justinian
c. modern pandemic

A

first pandemic - JUSTINIAN

second pandemic - BLACK DEATH

third death - MODERN PANDEMIC

PANDEMIC IN YERSINIA PESTIS

27
Q

what spp stained on wayson stain or methylene blue appear as bipolar safety pin

a. yersinia pestis
b. yersinia enterocolotica
c. yersinia pseudotuberculosis

A

yersinia pestis

> wayson stain / methylene blue : BIPOLAR SAFETY PIN / CLOSED SAFETY PIN

28
Q

ACCORDING TO cdc IT IS THE MOST COOMON ISOLATE FOUND IN RBC UNITS ALONGSIDE WITH PSEUDOMONAS SPP

a. yersinia pestis
b. yersinia enterocolotica
c. yersinia pseudotuberculosis

A

YERSINIA ENTEROCOLITICA

  • ACCORDING TO cdc IT IS THE MOST COOMON ISOLATE FOUND IN RBC UNITS ALONGSIDE WITH PSEUDOMONAS SPP
  • TRANSMOTTED BY RBC
29
Q

what culture media to be used in yersinia enterocolitica

a. CIN
b. emb
c. bap
d. cap

A

CIN :

appearance : BULL’S EYE COLONY

30
Q

what specie give a cauliflower appearance on BAP

a. yersinia
b. escherichia
c. citrobacter
d. klebsiella

A

yersinia

bap : cauliflower appearance

broth : STALACTITE SHAPED PATTERN

bacteriology.. (17 decks)

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