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CLINICAL MICROBIOLOGY - BACTERIOLOGY (TopnotcherQT) > MISCELLANEOUS BACTERIA (Atypical microorganisms) > Flashcards

MISCELLANEOUS BACTERIA (Atypical microorganisms) Flashcards

know the bacteria, know the disease

1
Q

Causes primary atypical pneumonia and has been associated with joint and other infections/ walking pneumonia:

A

Mycoplasma pneumoniae

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2
Q

Causes postpartum fever and has been found with other bacteria in uterine tube infections:

A

Mycoplasma hominis

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3
Q

Cause of niongonococcal urethritis in men and is associated with lung disease in premature infants of low birth weight:

A

Ureaplasma urealyticum

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4
Q

Closely related to M. pneumoniae and has been associated with urethral and other urogenital infections.

A

Mycoplasma genitalium

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5
Q

In PPLO agar (pleuropneumonia-like organisms) M. hominis characteristic colony appearance:

A

“Fried egg” colonies

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6
Q

stain used for the isolated colony of Mycoplasma in agar:

A

Dienes stain

  1. Bacterial colonies lose the stain in 15 minutes
  2. Mycoplasma colonies retain blue color
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7
Q

Obligate intracellular gram-negative bacteria that lack mechanisms for the production of metabolic energy and cannot synthesize ATP; cell wall lacks peptidoglycan; do not gram stain well:

A

Chlamydia and Chlamydophilia

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8
Q

Only Chlamydia spp. susceptible to Sulfonamide:

A

Chlamydia trachomatis

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9
Q

C. trachomatis serotype that causes trachoma and blindness (found in Africa)

A

Serotype A, B, C

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10
Q

C. trachomatis serotype that causes Urethritis, Pelvic Inflammatory Disease (PID), Neonatal pneumonia, Neonatal conjunctivitis (Ophthalma neonatorum)

A

Serotypes D through K

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11
Q

C. trachomatis serotype that causes Lymphogranuloma venereum (LGV)

A

L1, L2, L3

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12
Q

Chlamydia spp. that causes pneumonia, bronchitis, pharyngitis, sinusitis?

A

C. pneumoniae

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13
Q

Chlamydia spp. that causes parrot fever, pneumonia, fever of unexplained origin

A

C. psittaci

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14
Q

Infectious form of Chlamydia; enters cell via endocytosis:

A

Elementary bodies

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15
Q

Reproductive form of Chlamydia; replicates in cells by binary fission:

A

Reticulate bodies

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16
Q

EBs in Giemsa stain =

A

Stains purple

17
Q

RBs in Giemsa stain =

A

Stains blue

18
Q

C. trachomatis in Dilute Lugol’s iodine =

A

C. trachomatis inclusion appear brown because of glycogen

19
Q

Chlamydia spp that has glycogen as inclusions:

A

C. trachomatis

20
Q

Cell culture for Chlamydia:

A

McCoy cells treated with cycloheximide

21
Q

Molecular methods for Chlamydia:

A

Nucleic acid amplification testing (NAAT)

22
Q

Chlamydia is often found as coinfection with _________.

A

N. gonorrhoeae

23
Q

Bacterium that causes tranch fever, can be cultivated in cell-free medium.

A

Rochalimea quintana/ Bartonella quintana/ Ricketssia quintana

24
Q

Agglutinating antibodies produced react against antigens of proteus strains:

A

Weil-Felix Reaction

25
Q

P. vulgaris antigen strains for Weil-Felix reaction:

A

Proteus OX-19 and OX-2

26
Q

P. mirabilis antigen stain for Weil-Felix reaction:

A

Proteus OX-K

27
Q

patients with typhus group disease reacts strongly with proteus ______ antigen

A

Proteus OX-19

28
Q

patients with spotted fever reacts strongly with proteus _______ antigen

A

Proteus OX-19 or OX-2

29
Q

patients with scrub typhus reacts strongly with proteus _______ antigen

A

Proteus OX-K

30
Q

Bacteria that causes Typhus (Endemic typhus) disease:

A

Rickettsia prowazekii
Rickettsia typhi

31
Q

Bacteria that causes spotted fever

A

Rickettsia rickettsia

32
Q

Bacteria that causes scrub typhus

A

Orientia tsutsugamushi

33
Q

Bacteria that causes Rickettsia pox

A

Rickettsia akari

34
Q

Bacteria that causes Q fever

A

Coxiella burrnetii

35
Q

Bacteria that causes Mediterranean fever

A

Rickettsia conorii

36
Q

Diseases that are transmitted by ticks:

A
  • Rocky Mountain Spotted Fever (R. rickettsi)
  • Australian/Queensland typhus (R. australis)
  • Mediterranean Fever (R. conorii)
  • Q Fever (C. burnetti)
37
Q

Bacteria that causes Australian/Queensland typhus

A

Rickettsia australis

38
Q

Diseases that are transmitted by Mites:

A
  • Rickettsial pox (R. akari)
  • Scrub typhus (O. tsutsugamushi)
39
Q

Diseases that are transmitted by Lice:

A
  • Trench Fever (B. quintana/Rochalimea quintana/Rickettsia quintana)
  • Epidemic typhus (R. prowazekii)

CLINICAL MICROBIOLOGY - BACTERIOLOGY (TopnotcherQT) (27 decks)

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