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Bacto Labs > Lab 10 > Flashcards

Lab 10 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

Lawsonia intracellularis can be cultured on enterocyte cell culture.

A

True

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4
Q

Heliobacter pylori can cause chronic gastritis and ulcer in humans.

A

True

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5
Q

Spirochaetes have characteristic morphology, thin helical filaments.

A

True

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6
Q

Campylobacter species can tolerate 4-6% oxygen.

A

True (6%)

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7
Q

Borrelia burgdorferi can cause Lyme-disease in humans.

A

True

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8
Q

Brachyspira hyodysenteriae is an obligate aerobic bacterium.

A

False

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9
Q

Human syphilis is caused by Treponema pallidum.

A

True

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10
Q

Maintenance host of Leptospira sejroe is cattle.

A

False (mouse)

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11
Q

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

A

True

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12
Q

Human cholera is caused by Vibrio parahaemolyticus.

A

False (vibrio cholera)

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13
Q

Campylobacter species are aerobic, facultative anaerobic bacteria.

A

False (Microaerophilic)

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14
Q

Campylobacter fetus spp. venerealis can cause abortion in sheep

A

False (Causes cattle abortion/infertility)

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15
Q

Swine proliferative enteropathies are caused by Lawsonia intracellularis

A

True

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16
Q

Heliobacter species are urease-negative bacteria.

A

False (Urease positive)

17
Q

Spirochaetes are non-motile bacteria

A

False (periplasmic flagella)

18
Q

Borrelia species can be cultured on chocolate agar

A

False, (giemsa, fuchin and unstained)

19
Q

Maintenance host of Leptospira ichterohaemorrhagiae is rat.

A

True

20
Q

Leptospira hardjo can cause abortion in cattles.

A

True (also in sheep)

21
Q

Causative agent of swine dysentery has 9 serogroups.

A

True

22
Q

B. anserina causes rabbit syphilis.

A

False, (by T. paraluiscuniculi)

23
Q

Leptospira species causes leptospirosis in cattle.

A

True, (in calves)

24
Q

Helicobacter can cause gastritis.

A

True

25
Q

Treponema pallidum is a zoonotic agent.

A

True

26
Q

Heliobacter species are bacteria.

A

True

27
Q

Lyme-disease is caused by Brachyspira.

A

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

28
Q

Brachyspira are obligate anaerobic bacteria.

A

True

29
Q

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

A

True

30
Q

Leptospirosis of dogs is mainly caused by L. grippotyphosa.

A

False, (leptospirosa interrograns serovar canicola)

31
Q

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

A

True

32
Q

Vibrio species are microaerophilic bacteria.

A

False, Facultative anaerobic

33
Q

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

A

True

Bacto Labs (5 decks)

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