Acid-fast Bacteria and Bacteria without Cell Walls Flashcards

1
Q

Described as subpleural granuloma in primary tuberculosis

A

Ghon’s focus

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2
Q

Ghon’s focus with associated lymph node involvement

A

Ghon’s complex

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3
Q

Radiologically detectable calcification in primary tuberculosis infection

A

Ranke’s complex

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4
Q

Radiologic sign in apices of patients with reactivation tuberculosis

A

Simon’s focus

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5
Q

This virulence factor of M. tuberculosis acts as its antiphagocytic factor

A

Cord factor

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6
Q

Cavitation from tuberculosis can lead to secondary infection with this organism:

A

Aspergillus fumigatus

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7
Q

Large aggregates of lipid-laden macrophages described as “red snappers”

A

Lepra cells

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8
Q

Lepra cells and globi are histopathologic findings in:

A

Lepromatous leprosy

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9
Q

Drugs used in tuberculoid leprosy

A

Dapsone

Rifampin

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10
Q

Leonine facies are seen in

A

Lepromatous leprosy

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11
Q

Lesions at the angle of the mouth in congenital syphilis

A

Rhagades

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12
Q

Tabes dorsalis is caused by

A

Treponema pallidum

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13
Q

Ocular finding in tertiary syphilis

A

Argyll-Robertson pupil

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14
Q

Aoritis in tertiary syphilis is due to the involvement of the:

A

Vasa vasorum

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15
Q

Etiology of lyme disease

A

Borrelia burgdoferi

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16
Q

Characteristic lesion in tertiary syphilis

A

Gumma

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17
Q

Myocarditis in lyme disease shows this ECG finding

A

AV block

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18
Q

Characteristic lesion in secondary syphilis

A

Condyloma lata

19
Q

Erythema chronicum migrans is caused by

A

Borrelia burgdoferi

20
Q

Animal host of Borrelia spp.

A

Ixodes ticks

21
Q

Characteristic lesion in primary syphilis

22
Q

Leprospirosis presents with tenderness most commonly in the

23
Q

Most severe form of leptosporosis

A

Weil syndrome

24
Q

Triad of Weil syndrome

A

Bleeding
Jaundice
Uremia

25
Histologic finding in trachoma
Halberstadter-Prowazek inclusions
26
C. trachomatis strains in chlamydia genital tract infections
D to K
27
Drug of choice in lyme disease
Doxycycline
28
Cough in late onset neonatal chlamydial pneumonia is described as
Staccato cough
29
Suppurative inguinal lymphadenitis seen in lymphogranuloma venereum
Buboes
30
Drug of choice in syphilis
Penicillin
31
This cause of walking pneumonia can also cause Guillain-Barré syndrome, Raynaud's phenomenon, and Stevens-Johnson's syndrome
Mycoplasma pneumoniae
32
Drugs used in lepromatous leprosy
Clofazimine Dapsone Rifampin
33
Most common cause of atypical pneumonia
Mycoplasma pneumoniae
34
Skin nodules in lepromatous leprosy
Erythema nodosum leprosum
35
Colonies of Mycoplasma pneumoniae in culture is described as:
Dome-shaped with "fried egg" or "mulberry" appearance
36
Three obligate intracellular bacteria
Chlamydia spp. Mycoplasma spp. Rickettsia spp.
37
Smallest organisms capable of independent replication
Mycoplasma spp.
38
Most frequently isolated rapidly growing mycobacteria from pulmonary, skin, and soft tissue infections
Mycobacterium abscessus
39
Virulence factor of mycobacteria that prevents lysosome fusion
Sulfatide
40
Mycobacterium classification that produces pigment in light and not in dark conditions
Photochromogens
41
Multidrug resistance of TB refers to resistance to (2)
Isoniazid | Rifampicin
42
XDR resistance refers to which drugs
Isoniazid Rifampicin Quinolone Aminoglycoside (amikacin, capreomycin, kanamycin)
43
Most common extracellular form of TB infection
Tuberculous lymphadenitis
44
Photochromogen almost indistinguishable in presentation from tuberculosis
M. kansasii