Practical 10 - Brucella ...

Question 1

Köster-positive bacteria are red.

Answer 1

True

Question 2

We use 5% sulphuric acid for Köster-staining.

Answer 2

False

we use 0.5% H2SO4

Question 3

Brucella melitensis is an obligate aeropic bacterium.

Answer 3

True

Question 4

Cattle can be infected by Brucella ovis.

Answer 4

False

sheep

Question 5

Brucella abortus is a flagellated bacterium.

Answer 5

False

Question 6

Pseudomonas aeroginosa produces two types of pigments.

Answer 6

True

• pyocyanin
• fluorescein

Question 7

Burkholderia mallei can infect swine.

Answer 7

False

Burkholderia pseudomallei

Question 8

Francisella subsp. can be found in rodents and arthropods.

Answer 8

True

Question 9

Francicella tularensis can infect humans and causes tullaraemia.

Answer 9

True

Question 10

Bordetella bronchiseptica can cause pneumonia in rabbits.

Answer 10

True

Question 11

Brucella abortus is a facultative pathogenic bacterium

Answer 11

False

facultative intracellular pathogenic

Question 12

We use 3% safranin for Köster-staining.

Answer 12

True

Question 13

As a result of Köster-staining Brucella abortus is red.

Answer 13

True

Question 14

Brucella suis is an obligate anaerobic bacterium.

Answer 14

False

obligate aerobic bacterium

Question 15

Brucella suis biotype 2 can infect the European brown hare.

Answer 15

True, and wild boar

Question 16

Glanders (malleus) is caused by Burkholderia pseudomallei.

Answer 16

False

Burkholderia mallei

Question 17

Pseudomonas aeruginosa is a flagellated bacterium species.

Answer 17

True, 1 polar flagellum.

Question 18

Burkholderia pseudomallei can infect humans.

Answer 18

True

Question 19

Francisella tullarensis needs cystein or cystine for culturing.

Answer 19

True

Question 20

Aeromonas species are obligate aerobic bacteria.

Answer 20

False

aerobis and facultative anaerobic

Question 21

Brucella species can be found in the infected animals and their direct environment only.

Answer 21

True

Question 22

Brucella has 5 biotypes.

Answer 22

True

Question 23

Brucella abortus is a Köster-positive bacterium species.

Answer 23

True

Question 24

B. melitensis, B. abortus and B. canis have a strong relationship in antigenic structure, so they show cross reactions.

Answer 24

False

B. melitensis, B. abortus and B. suis - cross reaction
B. ovis and B. canis - cross reaction

Question 25

Pseudomonas aeruginosa can cause septicaemia in fur animals.

Answer 25

True

Question 26

Pseudomonas species are obligate aerobic bacteria.

Answer 26

True

Question 27

Humans are succeptible to Burkholderia mallei.

Answer 27

True

Question 28

Optimal temperature for culture of Aeromonas hydrophilia is above 28C

Answer 28

False | optimal temperature is 28C

Question 29

Francisella tularensis is the causative agent of tularaemia.

Answer 29

True

Question 30

Moraxella ovis - we can see cocci in pairs in the smear.

Answer 30

True

Question 31

Brucella species are obligate pathogenic bacteria.

Answer 31

True

Question 32

B. suis is a Köster-negative species.

Answer 32

False

Question 33

During Köster-staining 3% safranin is used as a counter staining.

Answer 33

True

Question 34

B. ovis is a zoonotic agent.

Answer 34

False

Question 35

B. mallei is a widespread bacterium in our environment.

Answer 35

False | B. pseudomallei is widespread

Question 36

B. pseudomallei is a flagellated bacterium.

Answer 36

True

Question 37

A. salmonicida can cause furunculosis in fish.

Answer 37

True

Question 38

Cysteine or cystine is needed as an additive for culturing of F. tularensis.

Answer 38

True

Question 39

Moraxella ovis can cause pneumonia in calves and sheep.

Answer 39

True

Question 40

Brucella species are able to multiply in the environment.

Answer 40

False

Question 41

Brucella species is obligate anaerobic bacteria.

Answer 41

False | obligate aerobic

Question 42

Pseudomonas aeruginosa causes otitis externa in rabbits.

Answer 42

False | in dogs, and sometimes cats

Question 43

B. pseudomallei is not a flagellated bacterium.

Answer 43

False