Mycobacteria

Question 1

Giant cells typically occur in tubercles

Answer 1

True

Question 2

Mycobacterium tuberculosis can cause generalised tuberculosis in pigs

Answer 2

True

Question 3

Mycobacterium tuberculosis can cause tuberculosis in humans

Answer 3

True

Question 4

Facultative pathogenic mycobacteria can colonise only cold-blooded animals

Answer 4

False

Question 5

Mycobacteria are facultative intracellular bacteria

Answer 5

True

Question 6

Saprophytic and facultative pathogenic mycobacteria cannot colonise warm blooded
animals

Answer 6

False

Question 7

Facultative pathogenic Mycobacteria can only reproduce in the environment

Answer 7

False

Question 8

Facultative pathogenic Mycobacteria can only colonize in warm-blooded animals

Answer 8

False

Question 9

There is no antigen connection between facultative and obligate pathogenic
mycobacteria

Answer 9

False

Question 10

Pigs are resistant against Mycobacterium tuberculosis

Answer 10

False

Question 11

Lympho-haematogenous spread of mycobacteria can be seen in the post primary phase of tuberculosis

Answer 11

False

Question 12

There is a close antigen relationship between mycobacteria

Answer 12

True

Question 13

Mycobacterium bovis can cause tuberculosis only in ruminants

Answer 13

False

Question 14

Mycobacterium bovis can cause generalized tuberculosis in goats

Answer 14

True

Question 15

Tuberculin is an extract made from broth culture of mycobacteria

Answer 15

True

Question 16

The tuberculin contains antigens from mycobacteria

Answer 16

True

Question 17

Tuberculin is the toxin produced by mycobacteria

Answer 17

False

Question 18

Intra canalicular spread of mycobacteria can be seen in the post primary phase of
tuberculosis

Answer 18

True

Question 19

Antibodies against mycobacteria are detected in the tuberculin test

Answer 19

False

Question 20

Facultative pathogenic mycobacteria can cause local lesions in pigs

Answer 20

True

Question 21

Facultative pathogenic mycobacteria cannot cause tuberculosis

Answer 21

False

Question 22

Mycobacteria are acid and alcohol fast bacteria

Answer 22

True

Question 23

Mycobacterium tuberculosis can cause generalized tuberculosis in parrots

Answer 23

True

Question 24

Fresh tuberculosis lesions in the lymph nodes are common the early generation

Answer 24

True

Question 25

Mycobacteria can be stained with Ziehl-Neelsen staining

Answer 25

True

Question 26

Mycobacteria cannot be stained

Answer 26

False

Question 27

Obligate pathogenic mycobacteria can occur and replicate in the environment

Answer 27

False

Question 28

All mycobacteria species are obligate pathogenic

Answer 28

False

Question 29

The resistance of mycobacteria is low, they die in the environment soon

Answer 29

False

Question 30

Mycobacterium bovis can cause generalised tuberculosis in goats

Answer 30

True

Question 31

Fresh tuberculosis lesions in the lymph nodes are common in the post primary phase

Answer 31

False

Question 32

Mycobacteria are highly resistant thanks to lipids and waxes in the cell wall

Answer 32

True

Question 33

Mycobacterium tuberculosis can cause tuberculosis in humans

Answer 33

True

Question 34

Mycobacterium tuberculosis can cause generalized tuberculosis in pigs

Answer 34

True

Question 35

Mycobacterium bovis can cause generalized tuberculosis in pigs

Answer 35

True

Question 36

Pigs are resistant against Mycobacterium tuberculosis

Answer 36

False

Question 37

Mycobacterium bovis can cause generalized tuberculosis in badgers

Answer 37

True

Question 38

Mycobacterium caprae can infect only goats

Answer 38

False

Question 39

Tuberculosis lesions in the lymph node are common in the early generalization

Answer 39

True

Question 40

The habitat of the obligate pathogenic Mycobacteria is the environment

Answer 40

False

Question 41

Mycobacteria are obligate intracellular bacteria

Answer 41

False

Question 42

Waxes can be found in the cell wall of Mycobacteria

Answer 42

True

Question 43

Only Mycobacterium tuberculosis can cause tuberculosis in humans

Answer 43

False

Question 44

Neutrophil granulocytes can be typically found in tubercles

Answer 44

False

Question 45

Necrosis can be seen in the tubercles

Answer 45

True

Question 46

Necrosis can be seen in the tubercles

Answer 46

True

Question 47

The habitat of saprophytic, facultative pathogenic Mycobacteria is the environment

Answer 47

True

Question 48

Saprophytic, facultative pathogenic Mycobacteria cannot colonize mammals

Answer 48

False

Question 49

Mycobacteria have several shared antigens

Answer 49

True

Question 50

The cell wall of mycobacteria contains mycolic acid

Answer 50

True

Question 51

The tuberculin contains lipopolysaccharide (LPS) antigens

Answer 51

False

Question 52

The cell wall of mycobacteria contains large amount of lipopolysaccharide

Answer 52

True

Question 53

Mycobacteria can replicate only in animals

Answer 53

True | False? replicate in humans as well?

Question 54

Mycobacterium tuberculosis causes tuberculosis in parrots

Answer 54

True

Question 55

Mycobacterium tuberculosis causes generalized tuberculosis in badgers

Answer 55

False

Question 56

Mycobacterium tuberculosis causes tuberculosis in poultry

Answer 56

False

Question 57

The cell wall of mycobacteria contains mycolic acid

Answer 57

True

Question 58

The tuberculin contains lipopolysaccharide (LPS) antigens

Answer 58

False

Question 59

Mycobacteria can replicate only in animals

Answer 59

True

Question 60

All mycobacteria can replicate in the environment

Answer 60

False

Question 61

Mycobacterium bovis can cause tuberculosis in wild living ruminants

Answer 61

True

Question 62

Mycobacterium bovis can cause tuberculosis in wild boars

Answer 62

True

Question 63

If the increase of the thickness of the skin fold in the tuberculin test is 1.9 mm the reaction is positive

Answer 63

False

Question 64

The skin intradermal tuberculin test is a Type IV. hypersensitivity reaction

Answer 64

True

Question 65

Antigens of mycobacteria show a close relationship

Answer 65

True

Question 66

Mycobacteria can survive in the environment only for a few days

Answer 66

False

Question 67

Atypical mycobacteria can cause lesions in pigs

Answer 67

True

Question 68

Mycobacteria caprae can infect cattle, other ruminants and swine

Answer 68

True

Question 69

Saprophytic, facultative pathogenic mycobacteria cannot cause tuberculosis

Answer 69

False

Question 70

Only cattle maintain bovine tuberculosis

Answer 70

False

Question 71

Obligate pathogenic Mycobacteria can only reproduce in the infected body

Answer 71

True

Question 72

Facultative pathogenic mycobacteria can cause tuberculosis in fishes

Answer 72

True

Question 73

Mycobacteria are not resistant, they can survive in the environment for maximum of two days

Answer 73

False

Question 74

Mycobacterium suis is the most frequent agent of tuberculosis of pigs

Answer 74

False

Question 75

Facultative pathogenic mycobacteria can colonize the gut of pigs

Answer 75

True

Question 76

Sometimes facultative pathogenic mycobacteria cause lesions in pig

Answer 76

True

Question 77

Mycobacteria can survive in the environment

Answer 77

True

Question 78

Mycobacteria cannot be cultured

Answer 78

False

Question 79

Waxes and lipids in the mycobacteria are virulence factors

Answer 79

True

Question 80

The agent of avian tuberculosis is an obligate pathogenic bacterium

Answer 80

True

Question 81

Tuberculin test is an allergic test

Answer 81

True

Question 82

Mycobacteria can be cultured, but their incubation time is long

Answer 82

True

Question 83

Tuberculosis is diagnosed by detecting antibodies to M. bovis in the blood with ELISA

Answer 83

False

Question 84

The center of the tubercle is necrotized

Answer 84

True

Question 85

The tubercle consists of histiocytes and foreign body giant cell

Answer 85

True

Question 86

The causative agents of tuberculosis are obligate pathogenic bacteria

Answer 86

True

Question 87

Köster staining is a special staining for Mycobacteria

Answer 87

False

Question 88

Mycobacteria are highly resistant

Answer 88

True

Question 89

Early generalization of mycobacteria occurs via lympho-hematogenous route

Answer 89

True

Question 90

In dogs’ tuberculosis can be generalized

Answer 90

True

Question 91

Late generalization can be characterized by lost resistance

Answer 91

True

Question 92

In the tubercle, coagulation necrosis is seen

Answer 92

True

Question 93

In the phase of early generalization Mycobacteria do not replicate in the lymph node

Answer 93

False

Question 94

Mycobacteria are a worldwide disease

Answer 94

True

Question 95

Chronic tuberculosis causes changes in the lymph node

Answer 95

False

Question 96

Mycobacteria can be demonstrated from the discharge of sick animals by staining

Answer 96

True

Question 97

Tuberculosis can be demonstrated earliest by ELISA

Answer 97

False

Question 98

Tuberculosis can first be diagnosed by PCR

Answer 98

False

Question 99

Tuberculosis can be diagnosed with certainty serology

Answer 99

False

Question 100

Mycobacterium infection in pigs can be zoonotic

Answer 100

True

Question 101

Mycobacterium spp. in swine can be caused by atypical mycobacteria

Answer 101

True

Question 102

Mycobacteria in swine can be caused by M. bovis and produces localized lesions

Answer 102

False

Question 103

M. tuberculosis is a common mycobacterium infection of pig

Answer 103

False

Question 104

Mycobacteria are acid and alcohol fast bacteria

Answer 104

True

Question 105

Mycobacteria are acid and alcohol fast bacteria

Answer 105

True

Question 106

Sawdust bedding can predispose pigs to infection by facultative pathogenic mycobacteria

Answer 106

True

Question 107

Facultative pathogenic mycobacteria can cause generalized tuberculosis in pigs

Answer 107

False

Question 108

The habitat of pathogenic mycobacteria is the soil

Answer 108

False

Question 109

The habitat of facultative pathogenic mycobacteria is the soil

Answer 109

False

Question 110

Only cattle are susceptible to Mycobacterium bovis

Answer 110

False

Question 111

Some facultative pathogenic Mycobacteria can cause tuberculosis in cold blooded animals

Answer 111

True