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MICROB > Rickettsia, Chlamydia, Spirochetes, Ureaplasma, Mycoplasma > Flashcards

Rickettsia, Chlamydia, Spirochetes, Ureaplasma, Mycoplasma Flashcards

1
Q

Obligate intracellular organisms

A

Rickettsia
Chlamydia

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2
Q

Culture media for Rickettsia

A

Yolk sac / embryonated eggs

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3
Q

This is where Rickettsia multiplies inside man

A

Endothelial cells

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4
Q

SPOTTED GRP:

Rocky Mountain Spotted Fever

A

R. rickettsii

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5
Q

SPOTTED GRP:

Rickettsial pox (Mites)

A

R. akari

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6
Q

SPOTTED GRP:

Australian/Queensland tick typhus (Ticks)

A

R. australis

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7
Q

SPOTTED GRP:

Boutonneuse fever (Ticks)

A

R. conorii

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8
Q

TYPHUS GRP:

Epidemic typhus
Sporadic typhus
Brill-Zinser disease

(Lice)

A

R. prowazekii

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9
Q

TYPHUS GRP:

Murine typhus
Endemic typhus

(Fleas)

A

R. typhi

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10
Q

Scrub typhus (Mites-Chiggers)

A

Orientia tsutsugamushi

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11
Q

Q fever (Ticks-Aerosols)

A

Coxiella burnetti

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12
Q

EHRLICHIOSIS

Human MONOCYTE ehrlichiosis (Ticks)

A

Ehrlichia chaffeensis

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13
Q

EHRLICHIOSIS

Human GRANULOCYTE ehrlichiosis ( Ticks)

A

Ehrlichia phagocytophila
Ehrlichia ewingii

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14
Q

EHRLICHIOSIS

Senetsu fever (Ticks)

A

Neorickettsia sennetsu

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15
Q

2 forms of Chlamydia:

A

Reticulate body (replicative)
Elementary body (infectious)

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16
Q

Detection of Elementary bodies in Chlamydia trachomatis

A

DFA: Direct Fluorescence Antibody staining

(Fluorescein-isothiocyanate conjugated monoclonal abs) FITC

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17
Q

McCoy Cells for culture

A

Chlamydia

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18
Q

TWAR strain
Taiwan Acute Respiratory Strain

A

Chlamydia pneumoniae

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19
Q

Psittacosis/Ornithosis

A

Chlamydia psittaci

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20
Q

Causative agent of:

Chlamydia, Trachoma, Lymphagranuloma venereum, Inclusion conjunctivitis

A

Chlamydia trachomatis

21
Q

Pleomorphic organisms that lack cell wall

A

Ureaplasma
Mycoplasma

22
Q

Smallest free-living organisms capable of growing in artificial media

A

Ureaplasma
Mycoplasma

23
Q

Ureaplasma and Mycoplasma requires what growth factor to survive

A

Sterols (Cholesterol)

24
Q

Primary atypical pneumonia
Walking pneumonia

A

Mycoplasma pneumoniae

25
Q

Medium for Mycoplasma pneumoniae

A

SP4 broth (yellow)

26
Q

Post abortal fever
Postpartum fever

A

Mycoplasma hominis

27
Q

Fried egg appearance; cause of genital mycoplasma

A

Mycoplasma hominis

28
Q

Manganese chloride test (+)
Urease (+)

A

Ureaplasma urealyticum

29
Q

Cork-screw motility

A

Spirochetes

30
Q

Axial filaments for motility

A

Spirochetes

31
Q

Slender with tight coils

A

Treponema

32
Q

Thick, few, looser coils

A

Borrelia

33
Q

Res. Borrelia but with hooked ends

A

Leptospira

34
Q

Comma, helical-shaped, tapered ends

Four flagella/ each end

A

Brachyspira

35
Q

Venereal syphilis

A

Treponema pallidum subsp. pallidum

36
Q

Yaws

A

T. pallidum subsp. pertenue

37
Q

Endemic nonvenereal syphilis

A

T. pallidum subsp. endemicum

38
Q

Pinta

A

T. carateum

39
Q

Stages of syphilis: (4)

A

Primary: Chancre
Secondary: Condylomata (wart-like lesions)
Latent: absent symptoms
Tertiary: Gummas + Neurosyphilis

40
Q

Microscope used for Treponema

A

Dark-field

41
Q

Nontreponemal tests

A

VDRL
RPR

42
Q

Treponemal tests

A

FTA-ABS
TP-PA

43
Q

Louse-borne epidemic relapsing fever

A

Borrelia recurrentis

44
Q

Lyme disease

A

Borrelia burgdoferi (Ixodes ticks)

45
Q

Bull’s eye lesion

A

Borrelia burgdoferi
Lyme disease

46
Q

Causative agent of Leptospirosis:

A

Leptospira interrogans

47
Q

Specimen for Early infection for leptospirosis

A

BLOOD

48
Q

Specimen after second week of infection of leptospirosis

A

URINE

49
Q

Media for Leptospira

A

EMJH: Ellinghausen-McCullough-Johnson-Harris
Fletcher’s medium

MICROB (7 decks)

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