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X-Microbiology CT 3 > Other general Q's 6 > Flashcards

Other general Q's 6 Flashcards

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1
Q

Where can Haemophilus species be found?

A
  • Mucous membranes of Humans and Animals (Commensal or parasite)
  • Upper respiratory and Urogenital tract
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2
Q

Haemophilus species requires special factors, why and which ones?

A

Haemophilus spp. are **Fastidious “Bloodloving” **

They require one or both of these Growth Factors
* X-factor (Haemin)
* V-factor (NAD)

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3
Q

What is X-factor?

A

Haemin

  • It is a necessary factor for Synthesis of Iron containing respiratory Enzymes:
    -Cytochrome
    -Cytochromeoxidase
    -Catalase
    -Peroxidase
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4
Q

What is V-factor?

A

NAD = Nicotinamid Adenin Dinucleotid

It is a Coenzym required for Oxidation-Reduction reactions

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5
Q

The requirements for Growth Factors differs according to…. and divided into? (3)

A
  • Species of Haemophilus
    1. X+V factor = H.Influenzae, H. Haemolyticus
    2. V factor = H. Parainfluenzae, H. Parahaemolyticus
    3. X factor = H. Haemoglobinophilus, H. Ovis
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6
Q

Histophilus spp. also require Growth Factors except?

A
  • Histophillus Somni!
    Does NOT need growth factors
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7
Q

Which are the most important Haemophilus spp. in Humans?

A
  • Haemophilus Influenzae
  • Haemophilus Parainfluenzae

Cause:
* Septicaemia
* Meningitis
* Infections of the Respiratory tract

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8
Q

Which are the most important Haemophilus spp. in Poultry?

A
  • Haemophilus Paragallinarum

Causes:
* Infectious cold

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9
Q

Which are the most important Haemophilus spp. in Ruminants?

A
  • Haemophilus Angi
  • Haemophilus Somni

Causes:
* Septicaemia
* Respiratory tract Infection

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10
Q

Which are the most important Haemophilus spp. in Swine?

A
  • Haemophilus Parasuis

Causes:
* Glasser’s disease (Polyserositis)
* Artritis
* Pneumonia

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11
Q

Which are the most important Haemophilus spp. in Dog?

A
  • Haemophilus Haemoglobinophilus

Causes:
* Urogenital infections

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12
Q

Where can Actinobacillus spp. be found?

A
  • Mucous membrane (commensal)
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13
Q

What are the most important species of Actinobacillus? (5)

A
  • Actinobacillus Lignieresii
  • Actinobacillus Pleuropneumoniae
  • Actinobacillus Suis
  • Actinobacillus Equuli
  • Actinobacillus Ureae
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14
Q

Do species of Actinobacillus need Growth factors?

A
  • Yes, some do
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15
Q

What does A. Lignieresii cause?

A
  • Bovine Actinobacilosis or Wooden tounge
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16
Q

What does A. Pleuropneumonia cause?

A
  • Pleuropneumonia in Pigs
17
Q

What to A. Suis and A. Equuli cause?

A
  • Enteritis
  • Nephritis
  • Arthritis
18
Q

What does A. Ureae cause?

A
  • Infection of upper Respiratory tract in humans

X-Microbiology CT 3 (19 decks)

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