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Bacteriology and Mycology > Bacteriology TA session Feb 16th 2016 > Flashcards

Bacteriology TA session Feb 16th 2016 Flashcards

1
Q

Which of the following is mismatched?

A. E. coli: lactose positive
B. E.coli: oxidase negative
C. E. albertii: major pathogen in sheep
D. E.coli: motile rods

A

C. . E. albertii: major pathogen in sheep

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2
Q

In regards to serotyping, which of the following is correctly paired?

A. H: Fimbriae
B. F: flagella
C. C: capsule
D. O: antigen

A

D. O: antigen

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3
Q

Shigella species are pathogenic to animals? T/F

A

False

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4
Q 
Which of the following is not a possible virulence factor for E. coli?
A. Endotoxin
B. Spore formation
C. Non-fimbrial adhesins
D. Enterotoxins
A

B. Spore formation

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5
Q

Which of the following is not matched correctly?

A. ETEC: enterotoxigenic Ecoli
B. EHEC: enterohemorrhagic E. coli
C. VTEC: verotoxigenic E.coli
D. RPEC: really pathogenic E. coli

A

D. RPEC: really pathogenic E. coli

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6
Q

Which of the following types of E. coli is not problematic in pigs?

A. ETEC
B. VTEC
C. MMA
D. EHEC

A

D. EHEC

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7
Q 
Which of the following is not common in cattle in regards to E. coli?
A. ETEC
B. EPEC
C. VTEC
D. Septicemia
A

o C. VTEC

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8
Q

Entertoxins for piglets with ETEC are located in genetic material in?
A. Single circular chromosome
B. Plasmids

A

B.Plasmids

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9
Q 
Which of the following is false in regards to the LT toxin in ETEC?
A. Strong Antigen
B. High molecular weight
C. Activation of adenylate cyclase
D. Weak antigen
A

D. Weak antigen

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10
Q

Which of the following is mismatched?

A. STa: Heat labile
B. STb: Heat stable
C. STa Stb EAST1: Low molecular weight
D. STa Stb EAST1: Poor antigenic quality

A

A. STa: Heat labile

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11
Q 
ETEC infection colonizes where?
A. Stomach
B. Small Intestine
C. Cecum
D. Large intestine
A

B. Small Intestine

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12
Q

VTEC has an exotoxin? T/F?

A

True

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13
Q

You are called to investigate disease in a pig farm. Biopsy showed no microbial organisms. What is your top differential for the cause of swollen eyes in a pig?

A. Staphylococcus hyicus
B. Steptococcus porcinus
C. VTEC
D. ETEC

A

C. VTEC

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14
Q

Which of the following signs or symptoms will you not see with VTEC infection in pigs?

A. CNS symptoms
B. Edema
C. Hoarse voice
D. Laryngitis

A

D. Laryngitis

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15
Q

Which E. coli disease uses the T3SS needle to inject effector proteins into host cells? Though rare, this disease can cause diarrhea at weaning which E. coli do you suspect?

A. ETEC
B. VTEC
C. EHEC
D. EPEC

A

D. EPEC

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16
Q

What is the most important pathogen that causes UTI in pigs?

A. Salmonella enterica
B. Staphylococcus aureus
C. E. coli
D. Streptococcus Porcinus

A

C. E. coli

17
Q

Septicemia (caused by E. coli) in pigs is usually secondary to enteric infection? T/F?

A

True

18
Q 
Which of the following is not associated with E. coli infection in cattle?
A. ETEC
B. EPEC
C. Septicemia
D. MMA
A

D. MMA

19
Q

You are called to a ranch to figure out why calves have watery diarrhea in the first 3 days of life. Which of the following is your top differential?

A. ETEC
B. EPEC
C. VTEC
D. EHEC

A

ETEC

20
Q

Septicemia in neonatal calves is usually due to? (E. coli)
A. Failure to vaccinate the calf
B. Failure to feed prophylactic antimicrobials
C. Failure of passive transfer
D. Failure to feed adequate vitamins

A

C. Failure of passive transfer

21
Q 
ETEC (in bovine) has all of the following virulence factors except?
A. F5
B. STa
C. STb
D. LT
A

D. LT

22
Q

Mastitis caused by E. coli in cows usually results in loss of only affected udder quarter? T/F?

A

True

23
Q

Between cats and dogs, which one is more likely to have Cystitis caused by E. coli?

A. Dogs
B. Cats

A

A. Dogs

24
Q 
Which is one the most important bacterial diseases in broilers and layers?
A. Staphylococcus aureus
B. E. coli
C. Salmonella Enteriditis
D. Clostridium piliforme
A

B. E. coli

25
Q

Which of the following is not associated with E. coli disease in poultry and other birds?

A. Neonatal colibacillosis
B. Respiratory colibacillosis
C. Peritonitis
D. encephalitis

A

D. Encephalitis

Bacteriology and Mycology (2 decks)

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