Pasteurella in general

Question 1

Asymptomatic carriage of Pasteurella multocida can occur in birds

Answer 1

True

Question 2

Pasteurella multocida is highly resistant; it can survive in the environment for several
months

Answer 2

False

Question 3

Pasteurella multocida can cause pasteurellosis in small ruminants

Answer 3

True

Question 4

Pasteurella multocida can infect humans

Answer 4

True

Question 5

Primary pasteurellosis disease have no predisposing factors

Answer 5

False

Question 6

Pasteurella multocida can complicate canine distemper

Answer 6

True

Question 7

Leukotoxin (cytotoxin) production is an important virulence factor of Mannheimia
haemolytica

Answer 7

True

Question 8

The dermonecrotoxin of Pasteurella multocida damages the osteoclast cells

Answer 8

False

Question 9

Primary pasteurellosis diseases are caused by obligate pathogenic Pasteurella bacteria

Answer 9

False

Question 10

Dermonecrotoxin can be virulence factor of Pasteurella multocida

Answer 10

True

Question 11

Dermonecrotoxin of pasteurella multocida causes lesions in the nasal cavity and on the skin
of pigs

Answer 11

False

Question 12

Capsule can be virulence factor of Pasteurella multocida

Answer 12

True

Question 13

Asymptomatic carriage of Pasteurella multocida can occur in birds

Answer 13

True

Question 14

Enterotoxins are virulence factors of Pasteurella multocida

Answer 14

False

Question 15

The agent of acute systemic pasteurellosis is zoonotic

Answer 15

False

Question 16

Mannheimia haemolytica leukotoxin (cytotoxin) damages the macrophages

Answer 16

True

Question 17

Pasteurella ovis can cause pasteurellosis in small ruminants

Answer 17

False

Question 18

Arthritis can be a clinical sign of ovine pasteurellosis

Answer 18

True

Question 19

Transportation is a predisposing factor of respiratory pasteurellosis of calves

Answer 19

True

Question 20

Primary pasteurellosis diseases have non infectious predisposing factors

Answer 20

True

Question 21

Emboli are responsible for the necrosis seen in the case of acute systemic pasteurellosis

Answer 21

True

Question 22

Leukotoxin is a virulence factor of Mannheimia haemolytica

Answer 22

True

Question 23

Capsule is a virulence factor of Pasteurella multocida

Answer 23

True

Question 24

Leukotoxin is produced by the majority of Pasteurella multocida

Answer 24

False

Question 25

Pasteurella multocida can cause disease only in ruminants

Answer 25

False

Question 26

Mannheimia haemolytica can cause disease mainly in ruminants

Answer 26

True

Question 27

Bibersteinia trehalosi can infect ruminants

Answer 27

True

Question 28

Pasteurellaceae are resistant bacteria, they remain viable for a long time in the soil

Answer 28

False

Question 29

The virulence factors of P. multocida are the capsule and dermonecrotoxin

Answer 29

True

Question 30

Pasteurella are very resistant in the environment

Answer 30

False

Question 31

Pasteurella are obligate pathogens

Answer 31

False

Question 32

We can use inactivated bacteria as a vaccine for Pasteurella

Answer 32

True