Bacterial Diseases Flashcards

1
Q

What are the routes of transmission for a bacterial virus?

A
  • airborne
    -droplet
    -contact
  • vectors
    -fomites (eg. clothes)
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2
Q

What are the routes of infection?

A
  • respiritory tract
  • urinary tract
    -oral
  • gastrointestinal tract
  • skin contact
  • mucosal
    -wounds
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3
Q

Host recognition of the bacterial cell wall?

A
  • Cell wall contains Pathogen Associated Molecular Patterns
    -PGN = Peptiglycan
  • LP = Lipoprotien
  • LTA = Lipoteichoic acid (only gram positive)
  • LPS = Lipopolysaccharide (only gram negetive)
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4
Q

What is Contagious Equine Metritis?

A
  • venereal disease of equines
    notifiable
  • caused by a gram negative (harder to kill) bacteria
  • transmitted by venereal contact (sexual)
    -stallions are asyptomatic
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5
Q

What are the symptoms of ?Contagous Equine Metris

A
  • mares can be severely or chronically infected
  • no signs of fever
  • no syptems of sytematic clinical disease
    -discharge
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6
Q

How is contagious equine metris controlled?

A
  • prevention (testing before breeding) (movement testing)
  • cancelling breeding when known infected case occurs
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7
Q

What type of bacteria causes leptospirosis?

A

gram negative

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8
Q

How is leptospirosis transmitted?

A
  • broken skin
    -consumption or inhalation of contaminated water
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9
Q

How is leptospirosis prevented?

A

vaccination of domestic animals (zoonotic)

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10
Q

What is the pathogenesis of leptospirosis?

A
  • Extraellular
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11
Q

How does leptosirosis immune avade?

A
  • mimics host compliment proteins
  • cleavage of compliment proteins
  • inactivation of compliment proteins
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12
Q
A
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