Gram (-) Bacteria - Pseudomonadaceae and Vibrionaceace Flashcards

1
Q

What are the bacteria in the Pseudomonadaceae family?

A

Pseudomonas Aeruginosa

Bacteroides Fragilis

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2
Q

Important attributes for Pseudomonas Aeruginosa?

A

Produces Green-Blue pigments and has a grape scent

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3
Q

This Pseduomonadaceae produces a green-blue pigment and smells like grapes?

A

Pseudomonas Aeruginosa

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4
Q

What populations are at a higher risk for infection with Pseudomonas Aeruginosa?

A

Cystic Fibrosis patients

Burn victims

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5
Q

What does Pseudomonas Aeruginosa cause in Cystic Fibrosis patients?

A

Pulmonary infections

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6
Q

Burn victims are at risk for what bacterial infection in their wounds?

A

Pseudomonas Aeruginosa

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7
Q

This bacteria can also cause otitis externa in swimmers and hot tub folliculitis

A

Pseudomonas Aeruginosa

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8
Q

What does Bacteroides Fragilis cause?

A

Abscesses!

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9
Q

When are people more susceptible to infection and thus abscess formation from Bacteroides Fragilis?

A

After bowel injury or perforation

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10
Q

Where does Bacteroides Fragilis live in a healthy person?

A

Gut, mouth and vagina flora

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11
Q

5 members of the Vibrionaceace family?

A
Vibrio Cholerae
Vibrio Parahaemolyticus
Vibrio Vulnificus
Campylobacter Jejuni
Helicobacter Pylori
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12
Q

What shape is Vibrio Cholerae?

A

Comma shaped

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13
Q

Where is Vibrio Cholerae found?

A

Brackish and Marine waters

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14
Q

What toxin is produced with Vibrio Cholerae?

A

Cholera Toxin

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15
Q

Job of Cholera toxin?

A

Increases osmotic pull of water

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16
Q

Symptoms of infection with Vibrio Cholerae?

A

Watery diarrhea

17
Q

What bacteria are a result of consumption of raw seafood especially in japan?

A

Vibrio Parahaemolyticus

Vibrio Vulnificus

18
Q

Symptoms of infection with Vibrio Parahaemolyticus?

A

Gastroenteritis with watery diarrhea

19
Q

Consumption symptoms of Vibrio Vulnificus?

A

Septicemia - fever, hypotension, nausea and diarrhea

20
Q

Direct contact symptoms of Vibrio Vulnificus?

A

Progressive wound infection

21
Q

What shape is Campylobacter Jejuni?

A

Comma shaped

22
Q

What are common sources of Campylobacter Jejuni?

A

Uncooked meat and unpasteurized milk

23
Q

Symptoms of infection with Campylobacter Jejuni?

A

Fever, Diarrhea, Guillain Barre syndrome

24
Q

Guillain Barre Syndrome

A
  • Associated with Campylobacter Jejuni infection

= Ascending flaccid paralysis

25
Q

Guillain Barre Syndrome is ____ mediated neuropathy

A

Immune mediated

26
Q

Guillain Barre Syndrome

A
  • Associated with Campylobacter Jejuni Infection

= Ascending flaccid paralysis

27
Q

What shape is Helicobacter Pylori?

A

Spirilla rod

28
Q

Helicobacter Pylori is ____ (+)

A

Urease

29
Q

What test is used after a biopsy is taken to detect Helicobacter Pylori?

A

CLO test - urease (+)

30
Q

What color stain is used to visualize Helicobacter Pylori?

A

Silver stain

31
Q

Symptoms of Helicobacter Pylori infection?

A

Gastritis and Gastric, Duodenal Ulcers

32
Q

Long term symptoms of Helicobacter Pylori infection?

A

Gastric B-cell lymphoma

Gastric Adenocarcinoma

33
Q

What can trigger Reiter’s Syndrome (Reactive Arthritis)?

A

Many of the Enteric Bacteria

34
Q

What gene is associated with Reiter’s Syndrome (Reactive Arthritis)?

A

HLA-B27

35
Q

Triad of symptoms for Reiter’s Syndrome (Reactive Arthritis)?

A

Conjunctivitis
Urethritis
Arthritis