Other Bacteria Flashcards

1
Q

Transmission of tularemia

A

Dermacentor tick

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2
Q

Treatment of tularemia

A

Streptomycin

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3
Q

Most virulent bacteria
Bubonic plague
Safety pin staining
Flea bite

A

Yersinia pestis

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4
Q

Treatment of Yersinia

A

Streptomycin

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5
Q

Bipolar staining
Buttery colonies with musty odor
Reservoir cats and dogs
Pen G

A

Pasteurella multocida

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6
Q

Most important virulence factor of M. tuberculosis

A

Cord factor

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7
Q

Reservoir: armadillos

A

Mycobacterium leprae

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8
Q
Type of leprosy
Many lesions
Marked tissue destruction 
High likelihood of transmitting 
Reduced cell mediated response
Negative lepromin skin test
A

Lepromatous leprosy

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9
Q

Negativr lepromin skin test for lepromatous leprosy is due to

A

Anergy

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10
Q

Type of leprosy with hypopigmented plaques and anesthesia

A

Tuberculoid leprosy

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11
Q

Treatment of leprosy

A

Dapsone

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12
Q

Anaerobe infection due to broken jaw or dental extraction

Hard nontender swelling with sinus tracts draining sulfur granules

A

Actinomyces israelii

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13
Q

Treatment of actinomyces israelii

A

Penicillin G

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14
Q

Aerobic gram positive rods with aerial hyphae from inhalation of particles in soil

Fungus ball

A

Nocardia asteroides

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15
Q

Treatment for nocardia

A

TMP SMX

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16
Q

Smallest free living organism

A

Mycoplasma pneumoniae

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17
Q

Most common infectious cause of stevens johnson syndrome

A

Mycoplasma pneumoniae

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18
Q

DOC for mycoplasma pneumoniae

A

Azith or erythromycin

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19
Q

Most important diagnostic test for primary syphilis

A

Dark field microscopy

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20
Q

Confirmatory test for secondary syphilis

A

FTA ABS

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21
Q

Influenza like symptoms few hours after receiving Pen G due to lysis of treponemes

A

Jarisch- Herxheimer reaction

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22
Q

Condyloma lata
Lymphadenopathy
Occurs after 1-3 months

A

Secondary syphilis

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23
Q

Painless lesion in primary syphilis occurring in 2-10 weeks

A

Chancre

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24
Q

Tabes dorsalis in the eyes

A

Argyll robertson pupil

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25
Q

Most common cause of death in congenital syphilis

A

Pulmonary hemorrhage

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26
Q

Treatment for syphilis

A

Pen G

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27
Q

Largest medically important bacteria

A

Borrelia burgdorferi

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28
Q

Weakly staining gram negative spirochete

Cultured on BSK medium

A

Borrelia burgdorferi

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29
Q

Transmission of lyme disease is through bite from

A

Ixodes tick

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30
Q

Lyme disease

BAKE a key lyme pie

A

Bells palsy bull’s eye lesion
Arthritis AV block
doKxycycline
Erythema chronicum migrans

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31
Q

Thin coiled spirochete with hooked ends (Shepherd’s crook)

Fletcher or EMJH medium

A

Leptospira interrogans

32
Q

Gold standard for diagnosis of leptospirosis

A

Lepto MAT

33
Q

What phase of leptospirosis manifests with fever chills calf tenderness conjunctival suffusion

A

Acute leptospiremic phase

34
Q

Pulmonary involvement in leptospirosis would show this in CXR

A

Snow flake lesions

35
Q

Triad of Weil syndrome

A

Jaundice
Bleeding
Uremia

36
Q

Most common cause of death of Weil syndrome

A

Pulmonary hemorrhage

37
Q

Treatment for leptospirosis

A

Doxycycline

Ampicillin or amox

38
Q

Obligate intracellular bacteria

Cell wall lacks muramic acid

A

Chlamydia

39
Q

Form of chlamydia:
Inactive
Enters cells by endocytosis

A

Elementary body

40
Q

Metabolically active form of chlamydia

A

Reticulate body

41
Q

Most common STD overall

A

Chlamydia

42
Q

Most common cause of infectious blindness in the world

A

Trachoma (C trachomatis)

43
Q

Cytoplasmic inclusion bodies in trachoma

A

Halberstadter Prowazek

44
Q

Chlamydia trachomatis types

A

A-C: trachoma
D-K: genital tract, neonatal pneumonia
L1-L3: lymphogranuloma venereum

45
Q

Staccato cough cause

A

Neonatal pneumonia caused by chlamydia trachomatis

46
Q

Bacterial infection associated with atherosclerosis

A

Chlamydia pneumonia

47
Q

Bird fancier’s disease
From bird exposure
Azithromycin

A

Psittacosis

Chlamydia psittaci

48
Q

Cat scratch disease

A

Bartonella henselae

49
Q

Can cause mesenteric adenitis
Transmitted oro fecal route
Gram negative rod

A

Yersinia enterocolitis

50
Q

Small painless papule ulcerate with a beefy red ulcer
Pseudobuboe
Azithromycin
Donovan bodies- closed safety pins

A

Klebsiella granulomatis

51
Q

Fungi that can cause liver necrosis

A

Amanita mushrooms

52
Q

Ingestion of contaminated peanuts and grains

Can cause liver cancer due to aflatoxin

A

Aspergillus flavus

53
Q

Inhalation of spores can cause allergic bronchopulmonary aspergillosis

A

Aspergillus fumigatus

54
Q

Diagnostic test for fungi in general

A

KOH preparation

Sabouraud’s agar

55
Q

Which group of antifungals belongs to a class of semisynthetic polypeptides that inhibit important constituent of fungal cell wall

A

Echinocandins

56
Q

Primary mechanism of resistance of Candida albicans against azole antifungals

A

Mutations in the 14 alpha sterol demethylase enzyme

57
Q

3 important Dermatophytoses

A

Microsporum canis
Trichophyton tonsurans
Epidermophyton floccosum

58
Q

Inflammatory reaction to dermatophytosis at a cutaneous site distant to the primary infection site

A

Dermatophytid reaction

59
Q

Tinea rash ca be described as

A

Annular with central clearing

60
Q

Tinea versicolor is caused by this organism

A

Malassezia furfur

61
Q

_________ appearance of tinea versicolor on 10% KOH

A

Spaghetti and meatballs

62
Q

Treatment of malassezia furfur

A

Miconazole

63
Q

What organism causes fungemia in premature infants on IV lipid supplements

A

Malassezia furfur

64
Q

Dimorphic fungus that lives in vegetation
Occurs in gardeners
Thorn prick
Itroconazole or potassium iodide

A

Sprothrix schenckii

65
Q
Granulomata in bones and CNS 
Dimorphic fungus 
Inhalation of arthrospores
Spherules containing endospores
Latin america and SW United States 
Amphotericin B
A

Coccidioides immitis

66
Q
TB mimicker 
Dimorphic fungus
Microcomidia
Ohio and Mississippi River 
Bird droppings
Starling bird
A

Histoplasma capsulatum

67
Q

Dimorphic fungus
Mariners wheel configuration
Central and South america
Inhalation of conidia

A

Paracoccidioides brasiliesis

68
Q

Candidial infection seen in immunocompromised patients

A

Esophagitis

69
Q

Oval yeast with narrow based bud seen in India ink
Positive CALAS
Pigeon droppings
Inhalation of airborne yeast cells

A

Cryptococcus neoformans

70
Q

Treatment of cryptococcal meningitis

A

Amphotericin B

Flucytosine

71
Q

Exist only as molds

Septate hyphae that form acute angles v shaped branches

A

Aspergillus

72
Q

DOC for aspergillus

A

Amphotericin B

73
Q

Saprophytic molds with nonseltate hyphae without walls and branches at right angles

A

Mucormycosis

Rhizopus oryzae and mucor spp

74
Q

Mucormycosis symptom

A

Rhino orbital cerebral infarction with eschar infection

75
Q

Mucormycosis usually occurs in patients with

A

DKA
Burns
leukemia

76
Q

Diffuse interstitial pneumonia with ground glass infilrates
Hat shaped cells
CD4 less than 200

A

Pneumocystis jiroveci

77
Q

DOC for pneumocystis jiroveci

A

TMP SMX