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Bacte Lec [Midterms] > 4.2.2.1 Pseudomonas aeruginosa > Flashcards

4.2.2.1 Pseudomonas aeruginosa Flashcards

1
Q

Most clinically isolated?

A

Pseudomonas aeruginosa

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2
Q

__ of non-fermenters in nosocomial bacteremia and _______ of nosocomial infection?

A

75%

5 - 15%

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3
Q

P. aeruginosa is the leading cause of ?

A

nosocomial respiratory tract infection

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4
Q

What are the bacteria that causes Gram negative bacillary bacteremia?

A
  1. E. coli
  2. K. pneumoniae
  3. P. aeruginosa
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5
Q

Clinical significance of P. aeruginosa?

A

Otitis media
Jacuzzi/hot tub syndrome
Gram negative bacillary bacteriemia

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6
Q

What is the highest temp can P. aeruginosa survive which can help in multiplying faster?

A

42 C

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7
Q

What is the description for Hot tub syndrome?

A

Necrotizing skin rashes

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8
Q

What is the pulmonary disease description for P. aeruginosa?

A

Pneumonia causes cystic fibrosis

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9
Q

What are the virulence factors for P. aeruginosa?

A

PRotase
Hemolysins
Lecithinase
Elastase
Dnase
(PHLED)

Exotoxins (Exotoxin A)

Alginate
Inherently resistant to antimicrobial agents

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10
Q

Function of Exotoxin A?

A

Inhibits protein synthesis

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11
Q

Polysacchride polymer in mucoid strains?

A

Alginate

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12
Q

What is the Pigment for P. aeruginosa?

A

Pyocyanin
Pyoverdine (Yellow green)

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13
Q

What is the hemolysis for P. pseudomonas?

A

Beta

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14
Q

What is the Odor for P. aeruginosa?

A

Fruity, Grape like or Corn tortilla-like

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15
Q

P. aeruginosa grows on what agar?

A

Cetrimide Agar

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16
Q

Cetrimide Agar is what type of Agar?

A

Selective and Differential

17
Q

Function of Citramide agar?

A

Enhances the production of pigments

18
Q

Citrate and Acetamide? Pos or Neg?

A

Positive

19
Q

Arginine dihydrolase? Pos or Neg

A

Pos

20
Q

What happens in Mueller Hinton Agar for P. aeruginosa? (Color)

A

Blue Green

21
Q

NOTE: P. aeruginosa is the 3rd most leading cause of Nosocomial vaginalis bacteremia

A

Bacte Lec [Midterms] (93 decks)

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