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CMBM E3 CB > Atypical Bacteria > Flashcards

Atypical Bacteria Flashcards

1
Q

No cell wall

Walking pneumonia

A

Mycoplasma

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2
Q 
Abscess
Acid fast
Aerobe
Filamentous
Slow growing
A

Nocardia

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3
Q 
Anaerobe
Draining sinus tracts
Filamentous
Mycetoma
Sulfur granules
A

Actinomyces

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4
Q

Abscess
Foul-smelling
Mixed infection

A

Bacteroides fragilis

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5
Q 
Painless ulcer (chancre)
Palm and sole rash
Spirochete
STD
Strict anaerobe
Syphilis
Unculturable
A

Treponema pallidum

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6
Q

Deer tick
Erythema chronicum migrans
Lyme disease

A

Borrelia burgdorferi

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7
Q

Antibiotic for Lyme patient < 8 years old

A

Ampicillin

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8
Q 
Acid fast
Granuloma
Isoniazid
Lowenstein-Jensen medium
PPD
A

Mycobacterium tuberculosis

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9
Q

Anesthetic skin lesion
Leprosy
Nerve damage

A

Mycobacterium leprae

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10
Q 
Elementary bodies
Iodine stain
Reticulate bodies
Trachoma
STD
A

Chlamydia trachomatis

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11
Q

Birds

Parrots

A

Chlamydia psittaci

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12
Q

Obligate intracellular growth
Southeastern Atlantic and south central states
Tick
Weil-Felix reaction

A

Rickettsia

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13
Q

Cat-scratch fever

A

Bartonella

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14
Q

Undulant fever

A

Brucella

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15
Q

Q fever

A

Coxiella burnetii

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16
Q

Tularemia

A

Francisella tularensis

17
Q

Meningitis, sepsis (zoonotic)

A

Listeria monocytogenes

18
Q

Rocky Mountain spotted fever, typhus

A

Rickettsia

19
Q

Goats and sheep
Intracellular growth
Undulant fever
Unpasteurized milk and cheese

A

Brucella

20
Q

Intracellular
Rabbit
Tularemia
Ulcer

A

Francisella tularensis

21
Q 
Baby
Cold enrichment
Intracellular growth
Meningitis
Milk products
Motility
Undercooked meat
A

Listeria monocytogenes

22
Q

What are the hallmarks of Legionella infection?

A

Non-productive cough
Negative sputum Gram stain
Extrapulmonary signs (confusion, headache, and GI symptoms)

23
Q

What is an important risk factor for Legionella infection?

A

Immunocompromised

24
Q

What is one way to make a definitive diagnosis of Legionella infection?

A

Detection of antigens in urine

25
Q

What is the major virulence factor of Legionella?

A

Intracellular growth

26
Q

How would you confirm a Rocky Mountain Spotted Fever diagnosis?

A

Indirect immunofluorescence or latex agglutination procedures with a single diagnostic titer of 1:64

27
Q

What lab procedure would give a definitive diagnosis of syphilis?

A

Specific antibody test

28
Q

Why does Chlamydia not gram stain?

A

Its cell wall does NOT contain muramic acid

29
Q

What is the pathogenesis of Chlamydia?

A

Elementary body = extracellular

  • *non-replicating and NOT metabolically active
  • *infectious

Reticulate body = intracellular

  • *replicating and metabolically active
  • *non-infectious
30
Q

What is the most common bacterial opportunistic infection in adult HIV patients?

A

Mycobacterium avium

31
Q

How is Bartonella quintana transmitted?

A

By body louse

32
Q

How is Bartonella henselae transmitted?

A

By fleas

33
Q

How is Bartonella bacilliformis transmitted?

A

By sand flies

CMBM E3 CB (12 decks)

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