Lt(1): Brucella+bordetella Flashcards Preview

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Flashcards in Lt(1): Brucella+bordetella Deck (15):
1

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

C) Dogs
D) Pigs

B) Sheep

2

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

B) smooth lipopolysaccharides

3

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

A) Hemagglutinin

4

What is true about Burtedella?

It has vaccination against it

5

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

Fever of unknown origin

6

what virulence factor prevent phagocytosis of brucella ?

By blocking the myeloperoxidase system

7

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) Brucella abortus

8

Which of the following is carried by sheep and goats?
a) Brucella abortus
b) Brucella melitensis
c) Brucella suis
d) Brucella canis

b) Brucella melitensis

9

Which animal is the resevior of Brucella melitensis?


Sheep

10

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?

Brucella abortus

11

Which of the following is carried by sheep and goats?

Brucella melitensis

12

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

Oral route

13

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

Tracheal cytotoxin

14

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

goats

15

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

pertactin