Gram (-) Bacteria - Mycobacterium and Bacteria without cell walls Flashcards

(34 cards)

1
Q

What type of bacteria is Mycobacterium?

A

Acid Fast Bacilli

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2
Q

What on the wall of Mycobacterium retains stain?

A

Wax

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3
Q

2 Mycobacterium?

A

Mycobacterium Tuberculosis

Mycobacterium Leprae

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4
Q

2 Mycobacterium?

A

Mycobacterium Tuberculosis

Mycobacterium Leprae

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5
Q

What cells take up Mycobacterium Tuberculosis?

A

Alveolar Macrophages

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6
Q

For Mycobacterium Tuberculosis, what does cell mediated immunity response cause?

A

Necrotizing granulomata

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7
Q

Cord factor of Mycobacterium Tuberculosis?

A

TNF

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8
Q

What allows survival of Mycobacterium Tuberculosis in macrophages?

A

Sulfatides

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9
Q

Where does Mycobacterium Tuberculosis begin and how?

A

Lung - aerosolized transmission

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10
Q

Symptoms of Primary Tuberculosis?

A

Fever, chest pain, hilar lymphadenopathy

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11
Q

Wall off with a Ghon complex to cause necrotizing granulomas is seen with?

A

Primary Tuberculosis

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12
Q

What usually causes Secondary Tuberculosis?

A

Reactivation of latent infection

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13
Q

Symptoms of Secondary Tuberculosis?

A

Insidious onset: Fever, night sweats, hemoptysis(coughing up blood!)
Poorly walled cavitary lesion in upper lungs

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14
Q

Poorly walled cavitary lesion in the upper lungs is seen with?

A

Secondary Tuberculosis

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15
Q

Secondary Tuberculosis spreads through arteries

A

Miliary Tuberculosis

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16
Q

Miliary Tuberculosis

A

Secondary Tb spreads through arteries

= Lesions on other organs

17
Q

Secondary Tuberculosis of vertebral involvement?

A

Pott’s Disease

18
Q

Pott’s Disease

A

Secondary Tb vertebral involvement

19
Q

2 screening tests for Tuberculosis?

A

Tb skin test

IFN-gamma release assay

20
Q

Mycobacterium Leprae has ____ transmissibility

21
Q

What carries Mycobacterium Leprae?

22
Q

Mycobacterium Leprae grows at ____ temperatures

23
Q

2 types of Mycobacterium Leprae?

A

Tuberculoid Leprosy

Lepromatous Leprosy

24
Q

Tuberculoid Leprosy has a ____ cell mediated response

25
Lepromatous Leprosy has ____ cell mediated response
NO
26
Symptoms of Tuberculoid Leprosy?
Localized skin lesions Granulomatous inflammation Loss of nerve sensation
27
Symptoms of Lepromatous Leprosy?
Skin lesions all over body | Loss of digits and involvement of organs
28
What are 3 bacteria without cell walls?
Mycoplasma Pneumoniae Mycoplasma Genitalium Ureaplasma Urealyticum
29
What are 3 bacteria without cell walls?
Mycoplasma Pneumoniae Mycoplasma Genitalium Ureaplasma Urealyticum
30
What does Mycoplasma Pneumoniae cause?
Walking and Atypical Pneumonia | Erythema Multiforme
31
Erythema Multiforme
- Seen with Mycoplasma Pneumoniae | = Multiple target lesions
32
Diagnostic test for Mycoplasma Pneumoniae?
Cold Agglutinins
33
What does Mycoplasma Genitalium and Ureaplasma Urealyticum cause?
Urethritis
34
What bacteria without cell walls cause urethritis?
Mycoplasma Genitalium | Ureaplasma Urealyticum