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micro-2nd year. > Lt(1): Brucella+bordetella > Flashcards

Lt(1): Brucella+bordetella Flashcards

1
Q

which animal is the reservoir of brucella melitensis?
A) Cows

C) Dogs
D) Pigs

A

B) Sheep

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2
Q 
Virulence factor of brucella? 
A) capsule 
B) smooth lipopolysaccharides
C) exotoxin 
D) fimbriae
A

B) smooth lipopolysaccharides

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3
Q

Which of the following does Bordetella pertussis use as a colonizing factor? (‘15 final)
A) Hemagglutinin
B) Outer membrane protein
C) Fimbriae

A

A) Hemagglutinin

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4
Q

What is true about Burtedella?

A

It has vaccination against it

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5
Q 
Which of the following is caused by Brucella? 
Enteric fever 
Pontiac fever 
Lung disease
 Food poisoning 
Fever of unknown origin
A

Fever of unknown origin

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6
Q

what virulence factor prevent phagocytosis of brucella ?

A

By blocking the myeloperoxidase system

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7
Q

A cattle farmer presented with a fever (rising and falling). Laboratory tests showed a gram negative coccobacillus that grows on a blood agar with carbon dioxide. What is this organism?

a) Brucella abortus
b) Brucella melitensis
c) Brucella suis
d) Brucella canis

A

a) Brucella abortus

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8
Q

Which of the following is carried by sheep and goats?

a) Brucella abortus
b) Brucella melitensis
c) Brucella suis
d) Brucella canis

A

b) Brucella melitensis

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9
Q

Which animal is the resevior of Brucella melitensis?

A

Sheep

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10
Q

A cattle farmer presented with a fever (rising and falling). Laboratory tests showed a gram negative coccobacillus that grows on a blood agar with carbon dioxide. What is this organism?

A

Brucella abortus

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11
Q

Which of the following is carried by sheep and goats?

A

Brucella melitensis

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12
Q

How is brucellosis acquired?(FB2 2013)
A. Contaminated blood
B.Oral route

A

Oral route

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13
Q

Which bordetella toxin inhibits cilia movement?(FB2 2013)
A. Filamentous haemagglutinin
B.Tracheal cytotoxin
C. Pertussis toxin

A

Tracheal cytotoxin

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14
Q 
what are the carriers of Brucella melitensis?( FB2 2014 ) 
A) cows
B) goats
C) dogs
D) pigs
A

goats

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15
Q

Which of the following antigens is used in the acellular pertussis vaccine?(FINAL 2014 )
A) pertactin
B) cytotoxin

A

pertactin

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micro-2nd year. (37 decks)

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