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Microbiology > Chlamydia, Mycoplasma, Rickettsia > Flashcards

Chlamydia, Mycoplasma, Rickettsia Flashcards

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Biology 101 flashcards
1
Q

M. pneumoniae infection

A

respiratory

atypical pneumonia

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2
Q

oxidase -
catalase -
urease -
arginine utilized

A

mycoplasma hominis

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3
Q

oxidase -
catalase -
urease -
ferments glucose

A

mycoplasma pneumoniae

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4
Q

oxidase -
catalase -
urease +

A

Ureaplasma urealyticum

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5
Q

frequent cause of community acquired pneumonia in children and young adults

A

M. pneumoniae

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6
Q

walking pneumonia

A

M. pneumoniae

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7
Q

genital mycoplasmas

A

M. hominis

U. urealyticum

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8
Q

agar used to grow Mycoplasmas

A

E agar

Shepards A7-B

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9
Q

which mycoplasma requires cholesterol

A

hominis

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10
Q

have G- like cell wall
obligate intracellular parasites
DNA and RNA

A

Chlamydiaceae

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11
Q

three species of chlamydiaceae that cause human infections

A

chlamydia trachomatis
chlamydophila psittaci
chlamydophila pneumoniae

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12
Q

elementary body

A

inactive

infective particle

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13
Q

reticulate body

A

active

non infective

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14
Q

endemic trachoma serovars

A

A, B1, B2 C

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15
Q

urogenital serovars

A

D-K

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16
Q

lymphogranuloma venereum serovars

A

L1, L2, L2a, L2b, L3

17
Q

what host cells can chlamydia infect?

A

nonciliated columnar, cuboidal, transitional epithelial cells

18
Q

what is the number one bacterial STD

A

Chlamydia

19
Q

what specimens are preferred for chlamydia infections

A

scrapings, if have to use swab cotton is toxic

20
Q

chlamydophila psittaci infection

A

psittacosis

ornithosis

21
Q

chlamydophila psittaci hosts

A

birds

22
Q

chlamydophila pneumoniae infections

A

mild respiratory infections

serious respiratory infections

23
Q

how is C. pneumoniae diagnosed

A

tissue culture in HeLa cells

24
Q

Rickettsiaceae characterisitics

A

G-
obligate intracellular bacteria
RNA and DNA
spread through insect vectors

25
Q

Rickettsia rickettsii infection and transmission

A

rocky mountain spotted fever

ticks

26
Q

R. typhi infection and transmission

A

murine typhus

fleas

27
Q

Coxiella burnetti infection and transmission

A

Q fever

aerosols and ticks

28
Q

Ehrlichiosis chaffeensis infection and transmission

A

monocytic ehrlichiosis

lone star tick

29
Q

Weil felix reaction

A

patient serum agglutinate with strains of Proteus vulgaris

30
Q

What test is used to confirm chamydia trachomatis in urine

A

PCR

31
Q

Most reliable test for mycoplasma pneumoniae

A

EIA and direct antigen

Microbiology (17 decks)

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