BACTE LEC: ME DERMATOPHILUS Flashcards

1
Q

It is a gram-positive, branching, filamentous, and segmenting rod-shaped bacterium.

A

Dermatophilus congolensis

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2
Q

It is the only significant pathogen in the genus Dermatophilus.

A

Dermatophilus congolensis

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3
Q

It is an aerobic, non-spore-forming bacterium that produces motile zoospores.

A

Dermatophilus congolensis

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4
Q

It was formerly known as Actinomyces congolensis, Streptothrix bovis, and Nocardia dermatonomus.

A

Dermatophilus congolensis

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5
Q

It is the primary mode of transmission of Dermatophilus congolensis infection.

A

Direct contact, fomites, and biting insects

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6
Q

It is the primary diagnostic method for Dermatophilus congolensis, using smears from moistened scabs.

A

Methylene blue or Gram staining

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7
Q

It is a disease caused by Dermatophilus congolensis in sheep, characterized by wool matting and crust formation.

A

Lumpy wool disease

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8
Q

It is the environmental condition that promotes the release of Dermatophilus zoospores.

A

Moisture or wet conditions

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9
Q

It is the main predisposing factor for Dermatophilus infection in sheep, associated with dipping.

A

Wool wax-suint ratio

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10
Q

It is a bacterial disease in sheep affecting the lower legs and feet, causing ulcerative dermatitis.

A

Strawberry foot-rot

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11
Q

It is a type of bacterial infection affecting cattle, horses, sheep, and goats, leading to crusty skin lesions.

A

Dermatophilosis

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12
Q

It is the class of antibiotics to which Dermatophilus congolensis is highly susceptible.

A

Tetracyclines, penicillin, chloramphenicol

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13
Q

It is a bacterial infection in cats, usually initiated by puncture wounds.

A

Dermatophilosis

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14
Q

It is the best culture medium for isolating Dermatophilus congolensis.

A

Blood agar

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15
Q

It is the primary immune response involved in protecting against Dermatophilus congolensis.

A

Antibody formation and delayed hypersensitivity (cell-mediated immunity)

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16
Q

It is the method used to identify Dermatophilus in deteriorated scabs with bacterial contamination.

A

Fluorescent antibody technique

17
Q

It is the type of motility exhibited by Dermatophilus zoospores.

A

Flagellar motility

18
Q

It is the term used to describe Dermatophilus infection in horses affecting the pastern and coronets.

A

Greasy heel or mud fever

19
Q

It is a synonym for Dermatophilosis that reflects its fungal-like appearance.

A

Mycotic dermatitis

20
Q

It is a common method of transmission for Dermatophilus congolensis in Africa, involving birds.

A

Pecker birds

21
Q

It is a major factor determining breed susceptibility to Dermatophilosis in cattle.

A

Genetic resistance or susceptibility

22
Q

It is the bacterial feature that allows Dermatophilus congolensis to invade the epidermis.

A

Hyphal branching and septation into coccoid cells