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Bacteriology > Lab 11 - Vibrio > Flashcards

Lab 11 - Vibrio Flashcards

1
Q

Morphology of vibrio species are curved rods, with flagella.

A

True

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2
Q

Campylobacter jejuni can cause diarrhoea in humans.

A

True

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3
Q

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

A

True

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4
Q

Vibrio species are microaerophilic bacteria.

A

False, (facultative anaerobic)

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5
Q

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

A

True

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6
Q

Leptospirosis of dogs is mainly caused by L. grippotyphosa.

A

False, (leptospirosa interrograns serovar canicola)

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7
Q

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

A

True

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8
Q

Brachyspira are obligate anaerobic bacteria.

A

True

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9
Q

Lyme-disease is caused by Brachyspira.

A

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

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10
Q

Heliobacter species are bacteria.

A

True

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11
Q

Treponema pallidum is a zoonotic agent.

A

True

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12
Q

Helicobacter can cause gastritis.

A

True

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13
Q

Leptospira species causes leptospirosis in cattle.

A

True, (in calves)

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14
Q

B. anserina causes rabbit syphilis.

A

False, (by T. paraluiscuniculi

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15
Q

Causative agent of swine dysentery has 9 serogroups.

A

True

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16
Q

Leptospira hardjo can cause abortion in cattles.

A

True, (also in sheep)

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17
Q

Maintenance host of Leptospira ichterohaemorrhagiae is rat.

A

True

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18
Q

Borrelia species can be cultured on chocolate agar.

A

False, (giemsa, fuchin and unstained)

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19
Q

Spirochaetes are non-motile bacteria.

A

False, (periplasmic flagella)

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20
Q

Lawsonia intracellularis can be cultured on enterocyte cell culture

A

True

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21
Q

Heliobacter pylori can cause chronic gastritis and ulcer in humans.

A

True

22
Q

Heliobacter species are urease-negative bacteria.

A

False, (urease positive)

23
Q

Swine proliferative enteropathies are caused by Lawsonia intracellularis

A

True

24
Q

Campylobacter fetus spp. venerealis can cause abortion in sheep.

A

False, (cause cattle abortion/infertility)

25
Q

Campylobacter species are aerobic, facultative anaerobic bacteria.

A

False, (microaerophilic)

26
Q

Human cholera is caused by Vibrio parahaemolyticus.

A

False, (vibrio cholera)

27
Q

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

A

True

28
Q

Maintenance host of Leptospira sejroe is cattle.

A

False, (mouse)

29
Q

Human syphilis is caused by Treponema pallidum.

A

True

30
Q

Brachyspira hyodysenteriae is an obligate aerobic bacterium

A

False

31
Q

Borrelia burgdorferi can cause Lyme-disease in humans

A

True

32
Q

Campylobacter species can tolerate 4-6% oxygen.

A

True, (6%)

33
Q

Spirochaetes have characteristic morphology, thin helical filaments.

A

True

34
Q

Vibrio species are facultative anaerobic bacteria

A

True

35
Q

Optimal temperature for Campylobacter jejuni is 42 degrees

A

True

36
Q

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

A

False

37
Q

Helicobacter can cause chronic gastritis in different animals

A

True

38
Q

Spirochaetes have characteristic morphology, thin helical filaments

A

True

39
Q

The causative agent of swine dysentry is a fastidious bacteria

A

True (B.(S.)hyodysenteriae)

40
Q

Lyme-disease in human is caused by Borrelia Anserina

A

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

41
Q

Brachyspira hyodysenteriae is a facultative anaerobic bacteria

A

False (fastidious, facultative pathogenic)

42
Q

Human syphilis is caused by Treponema parvum

A

False (Treponema pallidium)

43
Q

Maintenance host of L.sejroe is cattle

A

False (mouse)

44
Q

Vibrio species are flagellated species

A

True

45
Q

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

A

True

46
Q

Campylobacter species are obligate anaerobic bacteria.

A

False

47
Q

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

A

True

48
Q

Swine proliferative enteropathy is caused by B.pilosicoli

A

False (Lawsonia intracellularis)

49
Q

Maintenance host of Leptospira tarassowi is rat.

A

False (pig)

50
Q

Leptospira sejroe can cause abortion in cattles.

A

True

Bacteriology (14 decks)

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