MYCOBACTERIUM TUBERCULOSIS COMPLEX Flashcards

1
Q

MYCOBACTERIUM TUBERCULOSIS COMPLEX

A
  • Mycobacterium tuberculosis (Koch’s bacillus)
  • Mycobacterium bovis
  • Mycobacterium africanum
  • Mycobacterium canetti
  • Mycobacterium microti
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2
Q
  • Longest replication time
A

MYCOBACTERIUM TUBERCULOSIS

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3
Q

Cord factor

A

VF of MYCOBACTERIUM TUBERCULOSIS

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4
Q

slow-growing; buff color; raised and dry; “CAULIFLOWER-LIKE APPEARANCE”. Rough colonies exhibit “cording” (Curve strands bacilli)

A

culture of MYCOBACTERIUM TUBERCULOSIS

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5
Q

(+) Niacin and Nitrate reduction

A

BT of MYCOBACTERIUM TUBERCULOSIS

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6
Q

20 to 22 hrs

A

replication time for m tuberculosis

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7
Q
  • Tuberculosis in human and animals (cattle, dogs, cat and swine)
A

MYCOBACTERIUM BOVIS

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8
Q
  • Attenuated strain used for vaccination (Bacillus- Calmette-Guerin or BCG vaccine)
A

MYCOBACTERIUM BOVIS

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9
Q

: Slow-growing, small, granular, rounded and non-pigmented

A

Culture of MYCOBACTERIUM BOVIS

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10
Q

(-) Niacin and Nitrate reduction

A

BT of MYCOBACTERIUM BOVIS

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11
Q
  • Associated human cases of tuberculosis in tropical Africa
A

MYCOBACTERIUM AFRICANUM

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12
Q
  • Detection of organism requires the use of spoligotyping (spacer oligotyping
A

MYCOBACTERIUM AFRICANUM

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13
Q
  • Smooth strain of M. tuberculosis
A

MYCOBACTERIUM CANETTI

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14
Q
  • Grows more rapidly than M. tuberculosis (6 days)
A

MYCOBACTERIUM CANETTI

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15
Q
  • Isolated from an AIDS patient with mesenteric tuberculosis
A

MYCOBACTERIUM CANETTI

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16
Q

(+) Niacin and Nitrate reduction

A

BT of MYCOBACTERIUM CANETTI

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17
Q

Isolated from TB patients both immunocompromised and immunocompetent individuals

A

MYCOBACTERIUM MICROTI

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18
Q

M. avium, M. intracellulare, M. avium subsp. Paratuberculosis and M. avium subsp. silvaticum (wood pigeon bacillus)

A

MYCOBACTERIUM AVIUMCOMPLEX Specie

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19
Q
  • Most common cause of Pulmonary infection to human, pathogen in AIDS.
A

MYCOBACTERIUM AVIUM COMPLEX

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20
Q

most common site of colonization and dissemination in AIDS.

A

GI tract

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21
Q

Pleomorphic, short coccobacilli without beading;

A

MYCOBACTERIUM AVIUM COMPLEX

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22
Q

(+) PAS
(+) Heat stable catalase

A

BT of MYCOBACTERIUM AVIUM COMPLEX

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23
Q

Second to M. avium complex to cause NTM lung disease (Chronic cavitary pulmonary lesion)

A

MYCOBACTERIUM KANSASII (YELLOW BACILLUS)

24
Q
  • Not contagious from person to person
A

MYCOBACTERIUM KANSASII (YELLOW BACILLUS)

25
Q

Long rods with distinct crossbanding

A

microscopy of MYCOBACTERIUM KANSASII (YELLOW BACILLUS)

26
Q

Dark red crystals of 10-B- carotene

A

photochromogens of MYCOBACTERIUM KANSASII (YELLOW BACILLUS)

27
Q

MB7H10: smooth to rough with dark centers and waxy edges

A

culture of of MYCOBACTERIUM KANSASII (YELLOW BACILLUS)

28
Q
  • Disease of fishes and isolated from aquariums
A

MYCOBACTERIUM MARINUM

29
Q

Swimming pool granuloma” red or bluish red nodule on the elbow, knee, toe or finger. Occurs when an open wound comes in contact with contaminated chlorinated fresh water or salt water

A

Causative agent of MYCOBACTERIUM MARINUM

30
Q

Fresh water and salt water

A

natural reservoir of MYCOBACTERIUM MARINUM

31
Q

: Long rods with cross barring

A

microscopy ofMYCOBACTERIUM MARINUM

32
Q
  • : smooth to tough, wrinkled, yellow
A
  • Culture of MYCOBACTERIUM MARINUM
33
Q
  • Third most common Mycobacterium species after M. tuberculosis and M. leprae
A

MYCOBACTERIUM ULCERANS

34
Q

: Buruli ulcer (painless nodule under the skin after previous trauma)

A

Cause of MYCOBACTERIUM ULCERANS

35
Q

Moderately long rods without cross- banding

A

MYCOBACTERIUM ULCERANS

36
Q

smooth, rough and non-pigmented (6- 12 weeks incubation

A

MYCOBACTERIUM ULCERANS

37
Q

: (+) Heat stable catalase

A

BT of MYCOBACTERIUM ULCERANS

38
Q
  • Contaminates the tap water used by the patients in rinsing their mouths prior to the procedure for sputum collection.
A

MYCOBACTERIUM GORDONAE (TAP WATER BACILLUS)

39
Q
  • Rarely cause infection to human
A

MYCOBACTERIUM GORDONAE (TAP WATER BACILLUS)

40
Q

Smooth and yellowish-orange colored

A

MYCOBACTERIUM GORDONAE (TAP WATER BACILLUS)

41
Q

(+) Tween 80 hydrolysis and heat- stable catalase, (-) nitrate reduction

A

BT of MYCOBACTERIUM GORDONAE (TAP WATER BACILLUS)

42
Q
  • Recovered from hot and cold- water taps, hospital storage tanks
A

Mycobacterium xenopi

43
Q
  • Potential pathogen of pulmonary infection in adults
A

MYCOBACTERIUM XENOPI

44
Q
  • Non-photochromogenic and scotochromogenic
A

MYCOBACTERIUM XENOPI

45
Q

classified with non- photochromogenic group however, colonies are frequently bright yellow.

A

MYCOBACTERIUM XENOPI

46
Q

Long and filamentous

A

microscopy of MYCOBACTERIUM XENOPI

47
Q

MB7H10: small with filamentous edges
* Cornmeal glycerol agar: branching filaments

A

culture of MYCOBACTERIUM XENOPI

48
Q
  • Growth: 42°C
A

growth of MYCOBACTERIUM XENOPI

49
Q

(+) heat stable catalase, pyrazinamidase

A

BT of MYCOBACTERIUM XENOPI

50
Q
  • Once incubated in absence of light, they will be
A

scrotochromogens with yellow pigment at 42°C

51
Q
  • Normally saprophytic and rarely causes human infections
A

MYCOBACTERIUM TERRAE COMPLEX

52
Q

M. terrae, M. triviale and M. nonchromogenicum

A

specie of MYCOBACTERIUM TERRAE COMPLEX

53
Q

Short to medium coccobacilli

A

microscopy of MYCOBACTERIUM TERRAE COMPLEX

54
Q

rough and dry

A

culture of M. triviale

55
Q

smooth

A

culture of M. terrae:

56
Q

smooth to rough and white to buff

A

culture of M. nonchromogenicum:

57
Q

(+) Tween 80 hydrolysis and heat stable catalase, (+) growth in 5% NaCl (M. terrae

A

Biochemical test of YCOBACTERIUM TERRAE COMPLEX