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Microbiology > MIcro Exam 4 > Flashcards

MIcro Exam 4 Flashcards

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Biology 101 flashcards
1
Q

What are the 10 miscellaneous bacteria genuses?

A

Mycobacterium, Chlamydophila, Rickettsea, Ehlichia, Anaplasma, Neorickettsia, Bartonella, Coxiella, Mycoplasmas, Haemoplasmas

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2
Q

What are the 6 Rickettsials?

A

Rickettsia, Ehrlichia, Anaplasmas, Neorickettsia, Bartonella, Coxiella

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3
Q

What does Mycobacterium cause?

A

Tuberculosis

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4
Q

What is another name for Haemoplasmas?

A

Haemotrophic mycoplasmas

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5
Q

What are the 2 types of Mycobacterium infx?

A
  1. Inhalation = Pulmonary TB
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6
Q

What does Mycobacterium cause?

A

Tuberculosis

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7
Q

What are the 8 characteristics about Mycobacterium?

A
  1. Rod shaped bacteria
  2. Unusual cell wall (high content of lipids)
  3. Don’t gram stain well.
  4. Acid Fast Stain Positive Rods (pink)
  5. Survive phagocytosis
  6. Resistant to disinfectants, heat, pH changes & humoral defense mechanisms.
  7. Cell Mediated Hypersensitivity RXN (Granulomas/tuberculous lesions–body attempts to wall off MO)
  8. ab resistant
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8
Q

What are the 2 types of Mycobacterium infx?

A
  1. Inhalation = Pulmonary TB

2. Ingestion = Alimentary TB

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9
Q

What is the current and former genus for Haemoplasmas?

A

Mycoplasmas & Haemobartonella

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10
Q

What do you see with Pulmonary TB?

A

Granulomas/tuberculous lesions in lungs, LN

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11
Q

What do you see with Alimentary TB?

A

Granulomas/tuberculous lesions in intestines, liver, spleen, LN
**Common in people before milk pasteurization

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12
Q

Discuss TB in humans (5)

A
  1. Most common is inhalation (Pulmonary)
  2. Granulomas/tuberculous lesion in lungs
  3. Spreads systemically & can kill
  4. Leading MO killer in the world
  5. ab resistant (long term-9 months with multiple drugs)
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13
Q

Discuss 6 more points with TB in humans

A
  1. Goal was to eradicate in US. Increased in 90’s, but is now declining
  2. Disease of crowding (homeless shelters, prisons)
  3. HIV–made it worse (compromised)
  4. Immigration makes it worse
  5. still more common in underdeveloped countries
  6. Inverse zoonosis
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14
Q

What are the 4 species of Mycobacterium and their reservoirs?

A
  1. M. tuberculosis (primates)
  2. M. bovis (cattle)
  3. M. avium (birds)
  4. M. paratuberculosis (cattle, sheep, goats)
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15
Q

What is the new name for M. paratuberculosis?

A

M. avium subsp. paratuberculosis

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16
Q

Discuss the susceptibility of cats,dogs, humans to M. tuberculosis.

A

Dogs: very
Cats: susceptible
Humans: very

17
Q

Discuss the susceptibility of cats, dogs, humans to M. bovis.

A

Dogs: Very
Cats: Very
Humans: very

18
Q

Discuss the susceptibility of cats, dogs, and humans to M. avium.

A

Dogs: susceptible
Cats: susceptible
Humans: susceptible * (most common species in HIV infected people but humans don’t usually get it)

19
Q

Discuss Mycobacterium tuberculosis (4)

A
  1. usually seen in humans & other primates
  2. via inhalation (aerosols when coughing)
  3. Pul
20
Q

Discuss the susceptibility of cats, dogs, humans to M. bovis.

A

Dogs: Very
Cats: Very
Humans: very

20
Q

Discuss the susceptibility of cats, dogs, humans to M. bovis.

A

Dogs: Very
Cats: Very
Humans: very

21
Q

Discuss the susceptibility of cats, dogs, and humans to M. avium.

A

Dogs: susceptible
Cats: susceptible
Humans: susceptible * (most common species in HIV infected people but humans don’t usually get it)

21
Q

Discuss the susceptibility of cats, dogs, and humans to M. avium.

A

Dogs: susceptible
Cats: susceptible
Humans: susceptible * (most common species in HIV infected people but humans don’t usually get it)

22
Q

Discuss Mycobacterium tuberculosis (4)

A
  1. usually seen in humans & other primates
  2. via inhalation (aerosols when coughing)
  3. Pul
22
Q

Discuss Mycobacterium tuberculosis (4)

A
  1. usually seen in humans & other primates
  2. via inhalation (aerosols when coughing)
  3. Pul

Microbiology (2 decks)

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