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Microbiology II > Other Bacteria > Flashcards

Other Bacteria Flashcards

1
Q

Undulating fever

A

Brucella abortus

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2
Q

Infection from rabbits, deer or rodents; transmitted by tick bite (dermacentor)

A

Tularemia (Francisella tularensis)

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3
Q

Most virulent bacteria; causes buboes and cutaneous hemorrhage

A

Yersinia pestis (plague)

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4
Q

Animal bite infection

A

Pasturella multocida

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5
Q

Buttery colonies of pasturella multocida with musty odor due to production of _________

A

Indole

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6
Q

Reproductive tract infection in cattle, infection through contaminated dairy or direct contact with cows

A

Brucella abortus

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7
Q

Uses heat to stabilize carbolfuscin

A

Ziehl-Neelsen

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8
Q

Uses detergent to stabilize carbolfuscin

A

Kinyoun

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9
Q

Lipids of mycobacterium tuberculosis (2)

A
  1. Mycolic acid, 2. Wax D
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10
Q

Prevents phagolysosome fusion in M. tuberculosis

A

Exported repetitive protein (sulfatides)

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11
Q

Prevents leukocyte migration in TB

A

Cord factor

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12
Q

Delayed hypersensitivity against TB; basis for the PPD test

A

Tuberculin surface protein

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13
Q

Subpleural TB granuloma

A

Ghon’s focus

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14
Q

Ghon’s focus + lymph node

A

Ghon’s complex

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15
Q

Radiologically detectable TB calcification

A

Ranke’s complex

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16
Q

Reactivation TB, usually in the apices

A

Simon’s focus

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17
Q

TB may be secondarily infected with ____________

A

Aspergillus fumigatus

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18
Q

PPD cutoff value: Philippines

A

> 8mm

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19
Q

PPD cutoff value: immunosuppressed

A

> 5mm

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20
Q

PPD cutoff value: high risk population

A

> 10 mm

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21
Q

PPD cutoff value: low risk population

A

> 15 mm

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22
Q

Most common extrapulmonary TB

A

Scrofula

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23
Q

Other use of BCG vaccine other than TB prevention

A

Intravesical injection for urinary bladder CA

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24
Q

Pulmonary disease when CD4

A

Mycobacterium avium intracellulare complex

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25
Must be cultured on the footpads of a mouse or armadillo
Mycobacterium leprae
26
Macrophages filled with M. leprae
Globi
27
Free bacilli, not contained in globi
Red Snappers
28
Marked tissue destruction, many lesions, many acid-fast bacilli, high infectivity, negative lepromin skin test due to reduced or absent cell mediated response
Lepromatous leprosy
29
Minimal tissue destruction, few lesions, few acid-fast bacilli, low infectivity, positive lepromin skin test due to intact cell mediated response
Tuberculoid leprosy
30
Hypopigmented plaques, thickened superficial nerves and significant anesthesia
Tuberculoid leprosy
31
Leonine facies, erythema nodosum leprosum
Lepromatous leprosy
32
1. Tx for lepromatous leprosy | 2. Side effects of the drugs
1. Dapsone (methemoglobinemia), 2. Rifampicin (hepatotoxic, orange colored secretions), 3. Clofazimine (bronze discoloration)
33
1. Tx for erythema nodosum leprosum | 2. Side effect of the drug
1. Thalidomide | 2. Phocomelia
34
Hard, nontender swelling with sinus tracts draining sulfur granules
Actinomyces Israelii
35
Aerobic, filamentous gram positive rods with aerial hyphae, weakly acid fast on Fite-Faraco stain
Nocardia asteroides
36
Mycetomas, orange colonies of lung and brain abscesses
Nocardia asteroides
37
Only bacteria with sterol in its cell membrane; produces P1 adhesin, H2O2, cold agglutinins
Mycoplasma pneumoniae
38
"Walking pneumonia"; associated with SJS (most common cause), Raynaud's phenomenon, Guillain-Barre syndrome
Mycoplasma pneumoniae
39
Coiled microaerophilic spirochete; seen on darkfield microscopy
Treponema pallidum
40
Nontender chancre
Primary syphilis
41
Condyloma lata, maculopapular rash
Secondary syphilis
42
Gummas, Neurosyphilis, tree-bark aortitis
Tertiary syphilis
43
Pupils that are unreactive to light but are able to accommodate
Argyll-Robertson pupil (prostitute's pupil)
44
Snuffles, mulberry molars, saber shins, pulmonary hemorrhage, Clutton's joints (synovitis)
Congenital syphilis
45
Hutchinson triad in congenital syphilis
Hutchinson teeth, deafness, keratitis
46
Unilateral enlargement of the sternoclavicular portion of the clavicle, leading to detachment
Higoumenakis sign
47
Screening test for syphilis
RPR/VDRL
48
Confirmatory test for syphilis
FTA-ABS
49
Influenza-like symptoms occurring a few hours after commencing treatment with Penicillin G
Jarisch-Herxheimer reaction
50
Diseases transmitted by the deer tick (Ixodes scapularis) (2)
1. Babesia microti, 2. Borrelia burgdorferi
51
Erythema chronicum migrans (target lesions)
Stage 1 of Lyme disease
52
Myocarditis, meningitis, Bell's palsy
Stage 2 of Lyme disease
53
Autoimmune migratory polyarthritis, onion-skin lesions, acrodermatitis chronica atrophicans
Stage 3 of Lyme disease
54
Causes Relapsing Fever due to programmed rearrangements; transmitted by Pediculus humanus
Borrelia recurrentis
55
Thin, coiled spirochetes with "Shepherd's crook" appearance
Leptospira interrogans
56
Gold standard in the diagnosis of leptospirosis
LeptoMAT (microscopic agglutination test)
57
Febrile illness, with intense calf tenderness, conjunctival suffusion
Acute leptospiremic phase
58
Aseptic meningitis, snowflake pulmonary lesions on CXR, hepatic necrosis, Type 3 hypersensitivity mediated glomerulonephritis
Immune leptospiruric phase
59
Triad of jaundice, bleeding, uremia; with orange cast skin and massive pulmonary hemorrhage
Weil syndrome
60
Obligate intracellular bacteria (2)
1. Chlamydia, 2. Rickettsia
61
Inactive, extracellular chlamydia; infectious form that enters the cell thru endocytosis
Elementary body
62
Metabolically active, intracellular chlamydia; comprises the cytoplasmic inclusions seen on Giemsa stain
Reticulate body
63
Most common STD overall
Chlamydia trachomatis
64
Chronic keratoconjunctivitis, Halberstadter-Prowazek inclusions near the nuclei of conjunctival epithelial cells
Trachoma (types A-C)
65
Non-gonorrheal urethritis in males, PID in females; neonatal conjunctivitis and pneumonia; associated with Reiter's syndrome
Chlamydia types D-K
66
Late onset; tachypnea, staccato cough, absence of fever, eosinophilia
Chlamydia neonatal pneumonia
67
Inguinal lymphadenitis (buboes), (+) Groove sign
Lymphogranuloma venereum (types L1-L3)
68
Atypical pneumonia associated with atherosclerosis
Chlamydia pneumoniae
69
Sudden onset pneumonia with a history of exposure to exotic birds
Chlamydia psittaci (Bird fancier's disease)
70
Cross reaction of rickettsiae with antigens of OX strains of proteus vulgaris
Weil-Felix reaction
71
Rocky mountain spotted fever
Rickettsia rickettsii
72
Rickettsial infection with eschar formation
Rickettsia akari
73
Epidemic rickettsia
Rickettsia prowazekii
74
Endemic rickettsia
Rickettsia typhi
75
Scrub typhus
Orientsia tsutsugamushi
76
Q fever; no vector, no rash, high mortality rate
Coxiella burnetti
77
Cat scratch disease in immunocompetent; bacillary angiomatosis in immunocompromised
Bartonella henselae
78
Transmitted by dog tick bite (Dermacentor); forms morulae in the cytoplasm of monocytes
Ehrlichia chaffensis
79
Clue cells, positive whiff test; fishy, malodorous vaginal discharge
Gardnerella vaginalis
80
Painful genital ulcer; cultured on chocolate agar with Factor X
Haemophilus ducreyi (chancroid)
81
Mesenteric adenitis
Yersinia enterocolitica
82
Donovan bodies, beefy red genital ulcers with pseudobuboe formation
Klebsiella granulomatis (granuloma inguinale/donovanosis)

Microbiology II (13 decks)

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