Vibrio practical past Q

Question 1

Brachyspira are obligate anaerobic bacteria.

Answer 1

TRUE

Question 2

Leptospira hardjo can cause abortion in cattles.

Answer 2

TRUE(also in sheeps)

Question 3

Lawsonia intracellularis can be cultured on enterocyte cell culture.

Answer 3

TRUE

Question 4

Maintenance host of Leptospira sejroe is cattle.

Answer 4

FALSE(mouse)

Question 5

Morphology of vibrio species are curved rods, with flagella.

Answer 5

TRUE

Question 6

The causative agent of swine dysentery can show haemolysis on blood agar.

Answer 6

TRUE

Question 7

Leptospira species causes leptospirosis in cattle.

Answer 7

TRUE(in calves)

Question 8

Borrelia species can be cultured on chocolate agar.

Answer 8

FALSE(Giemsa, fuchsin and unstained)

Question 9

Leuaditi ́s silver impregnation is an appopiate staining method for Leptospira species.

Answer 9

TRUE

Question 10

Helicobacter can cause gastritis.

Answer 10

TRUE

Question 11

Human syphilis is caused by Treponema pallidum.

Answer 11

TRUE

Question 12

Heliobacter species are urease-negative bacteria.

Answer 12

FALSE(urease positive)

Question 13

B. anserina causes rabbit syphilis.

Answer 13

False, (by T. paraluiscuniculi

Question 14

Campylobacter species can tolerate 4-6% oxygen.

Answer 14

TRUE(6%)

Question 15

Maintenance host of Leptospira ichterohaemorrhagiae is rat.

Answer 15

TRUE

Question 16

Swine proliferative enteropathies are caused by Lawsonia intracellularis.

Answer 16

TRUE

Question 17

Lyme-disease is caused by Brachyspira.

Answer 17

FALSE, (by Borrelia burgoferi, B. afzelii, B. garinii)

Question 18

Vibrio species can be cultured in alcalic environment (pH 8.6).

Answer 18

TRUE

Question 19

Human cholera is caused by Vibrio parahaemolyticus.

Answer 19

FALSE(Vibrio cholera)

Question 20

Spirochaetes are non-motile bacteria.

Answer 20

FALSE(periplasmic flagella)

Question 21

Causative agent of swine dysentery has 9 serogroups.

Answer 21

TRUE

Question 22

Leptospirosis of dogs is mainly caused by L. grippotyphosa.

Answer 22

FALSE, (leptospirosa interrograns serovar canicola)

Question 23

For the selective culture of Campylobacter species obligate vancomycin-polymyxin-trimethoprim is used.

Answer 23

TRUE

Question 24

Treponema pallidum is a zoonotic agent.

Answer 24

TRUE

Question 25

Heliobacter pylori can cause chronic gastritis and ulcer in humans.

Answer 25

TRUE

Question 26

Campylobacter fetus spp. venerealis can cause abortion in sheep.

Answer 26

FALSE(cattle abortion, infertility)

Question 27

Heliobacter species are bacteria.

Answer 27

TRUE

Question 28

Borrelia burgdorferi can cause Lyme-disease in humans.

Answer 28

TRUE

Question 29

Campylobacter species are aerobic, facultative anaerobic bacteria.

Answer 29

FALSE(microaerophilic)

Question 30

Campylobacter jejuni can cause diarrhoea in humans.

Answer 30

TRUE

Question 31

Brachyspira hyodysenteriae is an obligate aerobic bacterium.

Answer 31

FALSE

Question 32

Spirochaetes have characteristic morphology, thin helical filaments.

Answer 32

TRUE

Question 33

Vibrio species are microaerophilic bacteria.

Answer 33

FALSE(facultative anaerobic)