Lab 11 - Vibrio

Question 1

Morphology of vibrio species are curved rods, with flagella.

Answer 1

True

Question 2

Campylobacter jejuni can cause diarrhoea in humans.

Answer 2

True

Question 3

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

Answer 3

True

Question 4

Vibrio species are microaerophilic bacteria.

Answer 4

False, (facultative anaerobic)

Question 5

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

Answer 5

True

Question 6

Leptospirosis of dogs is mainly caused by L. grippotyphosa.

Answer 6

False, (leptospirosa interrograns serovar canicola)

Question 7

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

Answer 7

True

Question 8

Brachyspira are obligate anaerobic bacteria.

Answer 8

True

Question 9

Lyme-disease is caused by Brachyspira.

Answer 9

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

Question 10

Heliobacter species are bacteria.

Answer 10

True

Question 11

Treponema pallidum is a zoonotic agent.

Answer 11

True

Question 12

Helicobacter can cause gastritis.

Answer 12

True

Question 13

Leptospira species causes leptospirosis in cattle.

Answer 13

True, (in calves)

Question 14

B. anserina causes rabbit syphilis.

Answer 14

False, (by T. paraluiscuniculi

Question 15

Causative agent of swine dysentery has 9 serogroups.

Answer 15

True

Question 16

Leptospira hardjo can cause abortion in cattles.

Answer 16

True, (also in sheep)

Question 17

Maintenance host of Leptospira ichterohaemorrhagiae is rat.

Answer 17

True

Question 18

Borrelia species can be cultured on chocolate agar.

Answer 18

False, (giemsa, fuchin and unstained)

Question 19

Spirochaetes are non-motile bacteria.

Answer 19

False, (periplasmic flagella)

Question 20

Lawsonia intracellularis can be cultured on enterocyte cell culture

Answer 20

True

Question 21

Heliobacter pylori can cause chronic gastritis and ulcer in humans.

Answer 21

True

Question 22

Heliobacter species are urease-negative bacteria.

Answer 22

False, (urease positive)

Question 23

Swine proliferative enteropathies are caused by Lawsonia intracellularis

Answer 23

True

Question 24

Campylobacter fetus spp. venerealis can cause abortion in sheep.

Answer 24

False, (cause cattle abortion/infertility)

Question 25

Campylobacter species are aerobic, facultative anaerobic bacteria.

Answer 25

False, (microaerophilic)

Question 26

Human cholera is caused by Vibrio parahaemolyticus.

Answer 26

False, (vibrio cholera)

Question 27

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

Answer 27

True

Question 28

Maintenance host of Leptospira sejroe is cattle.

Answer 28

False, (mouse)

Question 29

Human syphilis is caused by Treponema pallidum.

Answer 29

True

Question 30

Brachyspira hyodysenteriae is an obligate aerobic bacterium

Answer 30

False

Question 31

Borrelia burgdorferi can cause Lyme-disease in humans

Answer 31

True

Question 32

Campylobacter species can tolerate 4-6% oxygen.

Answer 32

True, (6%)

Question 33

Spirochaetes have characteristic morphology, thin helical filaments.

Answer 33

True

Question 34

Vibrio species are facultative anaerobic bacteria

Answer 34

True

Question 35

Optimal temperature for Campylobacter jejuni is 42 degrees

Answer 35

True

Question 36

Lawsonia intracellularis can be cultured on chocolate agar with V-factor

Answer 36

False

Question 37

Helicobacter can cause chronic gastritis in different animals

Answer 37

True

Question 38

Spirochaetes have characteristic morphology, thin helical filaments

Answer 38

True

Question 39

The causative agent of swine dysentry is a fastidious bacteria

Answer 39

True (B.(S.)hyodysenteriae)

Question 40

Lyme-disease in human is caused by Borrelia Anserina

Answer 40

False (B. burgdorferi, B. afzelii, B. garinii)

Question 41

Brachyspira hyodysenteriae is a facultative anaerobic bacteria

Answer 41

False (fastidious, facultative pathogenic)

Question 42

Human syphilis is caused by Treponema parvum

Answer 42

False (Treponema pallidium)

Question 43

Maintenance host of L.sejroe is cattle

Answer 43

False (mouse)

Question 44

Vibrio species are flagellated species

Answer 44

True

Question 45

pH 8.6 can be used for selective isolation of Vibrio species.

Answer 45

True

Question 46

Campylobacter species are obligate anaerobic bacteria.

Answer 46

False

Question 47

C. fetus spp. fetus can cause abortion in ewe.

Answer 47

True

Question 48

Swine proliferative enteropathy is caused by B.pilosicoli

Answer 48

False (Lawsonia intracellularis)

Question 49

Maintenance host of Leptospira tarassowi is rat.

Answer 49

False (pig)

Question 50

Leptospira sejroe can cause abortion in cattles.

Answer 50

True