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Microbiology Exam 2 > Bacteria Part 4 ( Gram - Spirals ) & Including Disccusions Of Mycoplasms > Flashcards

Bacteria Part 4 ( Gram - Spirals ) & Including Disccusions Of Mycoplasms Flashcards

1
Q

What are the 4 gram negative spirals

A

Vibrio
Campylobacter
Helicobacter
Spirochete

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2
Q

What is vibrio?

A

Facultative anerobic

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3
Q

What are the 2 main vibrio pathogens?

A

V. Cholera
V. Parahemolyticus

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4
Q

What is v. Cholerae?

A

Cholera

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5
Q

What is v. Parahemolyticus ?

A

Shellfish food poisoning
( ingesting raw fish & oysters )

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6
Q

What is campylobacter ?

A

Found in cattle & sheep
May cause abortions in animals

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7
Q

What is the major pathogen in campylobacter?

A

Campylobacter jenjuni

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8
Q

What does campylobacter jenjuni do? (3)

A

Gasteroenteritis
( after ingesting uncool meat and chicken )
( survives at 43 C )

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9
Q

What is helicobater? ( pathogen )

A

Heliobacter pylori

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10
Q

What does helicobacter pylori do ? (2)

A

Gastritis, peptic ulcers in humans

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11
Q

How does helicobacter pylori work? (3)

A

Enzyme - urease
Increases replication & damages stomach mucosa

Causes local inflammation
- makes ulcers

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12
Q

What is the treatment for helicobacter pylori?

A

Metronidazole ( antibiotic )

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13
Q

What’s the percentage of who are infected if heliobacter ?

A

30-50%

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14
Q

What’s the percentage of people who develop ulcers in helicobacter pylori?

A

15%

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15
Q

What’s the enzyme that causes damage to the stomach for helicobacter pylori?

A

Urease

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16
Q

What are spirochetes?(another name)

A

Axial filaments

17
Q

Where are spirochetes (axial filaments) found?

A

Soil, decaying matter, contaminated water

18
Q

What are the 3 spirochetes?

A

Treponema palldium
Borrelia burgdorferi
Leptospira species

19
Q

What is treponema palldium?

A

Syphilis

20
Q

What is borrelia burgdorferi?

A

Lyme disease

21
Q

What is leptospira species?

A

Leptospirosis

( Spread by water contaminated with animal urine )

22
Q

What is mycoplama? (2)

A

No cell wall
Gram positive

Microbiology Exam 2 (10 decks)

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