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Bacto Labs > Lab 4 > Flashcards

Lab 4 Flashcards

1
Q

Mycobacterium spp. are Ziehl-Neelsen positive bacteria

A

True

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2
Q

Ziehl-Neelsen positive bacteria are blue

A

False

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3
Q

Usually mycobacterium spp. need a long time for their culturing in vitro

A

Yes

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4
Q

Mycobacterium tuberculosis belong to the M. avium complex

A

False

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5
Q

Mycobacterium microti can cause the bird tuberculosis

A

False

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6
Q

The main habitat of nocardia spp. is the soil

A

True

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7
Q

Dermatophylus congolensis infects mainly sheep and causes purulent mastitis and endocarditis

A

False

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8
Q

Corynebacterium pseudotuberculosis cause lymphadenitis

A

True

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9
Q

Rhodococcus equi is an intracellular pathogen

A

True

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10
Q

Rhodococcus equi cause pneumonia in foals

A

True

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11
Q

Mycobacterium avium ssp. Avium has cream-like colonies on solid medium

A

True

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12
Q

Mycobacterium are acid – and alcohol-fast bacteria

A

True

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13
Q

As a result of Ziehl-Neelsen staining, pathogenic mycobacterium are red

A

True

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14
Q

Human leprosy is caused by M. lepraemurium

A

False

by M. laprae

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15
Q

Mainly of mycobacteria are flagellated

A

False

No flagella

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16
Q

Dermatophilus can be found on the skin of infected animals

A

True

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17
Q

Nocardia asteroides produces carotenoid pigments

A

True

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18
Q

Cattle lumpy jaw is caused by Actinomyces bovis

A

True

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19
Q

Actinobaculum suis can cause pyelonephritis in pigs

A

True

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20
Q

Trueperella pyogenes can cause arthritis in cattle

A

True

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21
Q

As a result of Ziehl-Neelsen staining, pathogenic mycobacterium are blue

A

False

Red

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22
Q

Cattle can be infected by Mycobacterium bovis only

A

False

Also other mycobacteria ssp.

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23
Q

Mycobacteria are obligate anaerobic bacteria

A

False

Obligate aerobic

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24
Q

Nocardia can be found in the infected host body only

A

False

25
Q

Cattle lumpy jaw is caused by Actinomyces viscosus

A

False

By Actinomyces bovis

26
Q

Trueperella pyogenes causes exsudative dermatitis in sheep

A

False

27
Q

Trueperalle pyogenes can cause mastitis in cattle

A

True

28
Q

Obligate pathogenic mycobacteria can multiply in the host body and the environment

A

False

Only in infected host

29
Q

Mycobacterium can form spore

A

False

30
Q

Incubation time of mycobacterium bovis is 6-12 weeks

A

False

4-8 weeks

31
Q

Nocardia asteroides is a soil bacterium

A

True

32
Q

Nocardia asteroides is a soil bacterium

A

True

33
Q

Nocardia asteroides is an obligate aerobic bacterium

A

True

34
Q

Pneumonia can be caused by Trueperella pyogenes

A

True

35
Q

Pericarditis of dogs can be caused by Actinomyces hordeovulneris

A

True

36
Q

Trueperella pyogenes can cause metritis

A

True

37
Q

Dermatophilus congolensis produces carotenoid pigments

A

False

Nocardia is producing carotenoid pigments

38
Q

Obligate pathogenic mycobacteria can multiply in the host body only

A

True

39
Q

Mycobacterium bovis is a Gram-positive and Ziehl-Neelsen-negative

A

False

Both are positive

40
Q

Animals can be infected by mycobacterium spore

A

False

non-spore forming bacterium

41
Q

Mycobacterium tuberculosis forms islands on the surface of broth

A

False

M. bovis forms islands, M. tuberculosis forms thin film

42
Q

Nocardia is a soil microorganism

A

True

43
Q

Nocardia asteroides is an obligate anaerobic bacterium

A

False

Obligate aerobic

44
Q

Arthritis of swine can be caused by Trueperella pyogenes

A

True

45
Q

Infectious form of Dermatophilus is the zoospore

A

True

46
Q

Trueperella pyogenes causes mastitis or pneumonia

A

True

47
Q

Dermatophilus can produce carotenoid pigments

A

False

Nocardia produce carotenoid pigments

48
Q

Nocardia produces carotenoid pigments

A

True

49
Q

Mycobacterium is catalase negative

A

True

50
Q

Mycobacterium spp are Ziehl-Neelsen negative bacteria

A

False

51
Q

Ziehl-Neelsen positive bacteria are red

A

True

52
Q

Mycobacterium spp. never can produce pigments, they are transparent on solid agar

A

False

53
Q

Mycobacterium avium subsp. hominissuis belong to the M. tuberculosis complex

A

False

54
Q

Mycobacterium avium subsp. avium can cause the cattle’s paratuberculosis

A

False

55
Q

The main habitat of actinomyces spp. is the mucus membranes

A

True

56
Q

Dermatophylus congolensis infects mainly sheep and causes exudative dermatitis

A

True

57
Q

Corynebacterium is a gram-negative coccoid bacterium with a capsule

A

False

58
Q

Rhodococcus equi can live in the soil around horses

A

True

59
Q

Renibacterium salmoninarum is a fish pathogen bacteria

A

True

Bacto Labs (5 decks)

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