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PBD FINAL > Bacteria IV > Flashcards

Bacteria IV Flashcards

1
Q

4 Ws

A

wind
water
wound
wire

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2
Q

pseudomonas aeruginosa

A

infect hospitalized patients

  • green and blue pigments
  • grape odor
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3
Q

green and blue pigment with grape odor

A

pseudomonas aeruginosa

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4
Q

malignant external otitis

A

diabetics

-pseudomonas aeruginosa

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5
Q

pseudomonas cepacia

A

individuals with CF

-gram - rod

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6
Q

stenotrophomonas maltophilia

A

gram -

-pneumonia on ventilators

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7
Q

hospital acquired, coccobacillary, diplococci, confused with neisseria

A

acetinobacter

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8
Q

invasive h. influenza

A

type B

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9
Q

non-encapsulated h. influenza

A

local infection

  • otitis media in children
  • also COPD exacerbations
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10
Q

COPD exacerbations

A

h. influenza - non-encapsulated

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11
Q

age 6 months to 3 years

A

lacking h. influenza antibodies

-important to have mothers breast milk

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12
Q

most serious Hib infection

A

meningitis

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13
Q

sore throat, fever, stridor, excessive saliva, red epiglottis

A

acute epiglottitis

-haemophilus influenza type b

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14
Q

number one cause of septic arthritis in infants

A

Hib

-pleomorphic gram negative rods

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15
Q

chancroid

A

h. ducreyi

painful - no systemic symptoms
unilateral painful nodes that coexist with ulcer

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16
Q

syphilis

A

painless ulcer

treponema pallidum

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17
Q

herpes

A

starts as vesicles then break open

-systemic fever and myalgias**

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18
Q

systemic fever with genital ulcer??

A

herpes

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19
Q

lymphogranuloma venerum

A

chlamydia trichomatis

painless nodes
ulcer disappear before nodes enlarge

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20
Q

diagnosis for genital ulcer

A

PCR multiplex

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21
Q

bacterial vaginalis

A

gardnerella vaginalis

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22
Q

pruritis, fishy discharge, clue cells in vagina

A

gardnerella vaginalis

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23
Q

vaginal epithelium with pleomorphic bacilli in cytoplasm

A

clue cells

-gardnerella vaginalis

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24
Q

whooping cough

A

bordetella pertussis

-gram - rod

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25
Q

pertussis toxin

A

increased cAMP

-histamine sensitization, increased insulin, lymphocyte synthesis

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26
Q

extra-cytoplasm adenylate cyclase

A

pertussis virulence factor

-impairs chemotaxis and decreased H2O2 in immune cells

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27
Q

filamentous hemagglutinin

A

FHA
-virulence factor in pertussis

binding to bronchial epithelia

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28
Q

tracheal cytotoxin

A

pertussis virulence factor

-destroys ciliated epithelial

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29
Q

runny nose fever, sneezing, cough

  • fever subsides, cough spurts
  • no longer contagious
A

3 stages of whooping cough

  • bordetella pertussis
  • catarrhal, paroxysmal, convalescent
30
Q

bordet genou medium

A

culture for bordetella pertussis

31
Q

AC units

A

legionella pneumophilia

aerobic gram - rod

  • very small
  • water lover
32
Q

pontiac fever

A

HA, muscle ache, fever - strike fast with quick resolve

-legionella pneumophilia

33
Q

HA, muscle ache, fever - strikes fast and quick resolve

A

legionella pneumophilia

-pontiac fever

34
Q

fever, pulse/temp disocciation, confusion, CPK, hyponatremia, hypophosphatemia, myalgias

A

legionnaires disease

-legionella pneumophilia

35
Q

zoonotic gram negative rods

A

yersinia
franscicella
brucella
pasteurella

36
Q

bubonic plague

A

yersinia pestis

-gram negative with bipolar stain

37
Q

gram negative with bipolar stain

A

yersinia pestis

38
Q

nodes swell, painful, blackish discoloration under skin

A

yersinia pestis

  • bubonic plague
  • need treatment

gram negative with bipolar stain

NO ulcer

39
Q

tularemia

A

like plague - with ulcers

40
Q

francisella tularensis

A

tularemia

-ticks/deerflies or rabbits

41
Q

hole in skin with black base, nodes swell, fever

A

ulceroglandular tularemia

  • francisella tularensis
  • also - pneumonia, oculoglandular, typhoidal
42
Q

fever, chill, sweats, backache, HA, fever peaks in evening and returns at night

A

brucellosis
-brucella

undulant fever

43
Q

undulant fever

A

peaks in evening

brucella

44
Q

don’t suture dog or cat bite

A

pasturella multicida infection

gram - zoonotic

45
Q

very small gram - obligate intracellular parasites

A

chlamydia

rickettsia

46
Q

conjunctivitis, cervicitis, pneumonia

A

chlamydia

  • gram -
  • no peptidoglycan
  • favor columnar epithelial - mucus membranes
47
Q

life cycle of chlamydia

A

elementary body - enters cell

initial body - divides and transforms back to EB - released

48
Q

number one cause of preventable blindness

A

chlamydia trachomatis serotype A, B, C

49
Q

chlamydia serotype A, B, C

A

number one cause of preventable blindness

50
Q

inclusion conjunctivitis in newborns

A

chlamydia trachomatis serotype D-K

51
Q

lymphogranuloma venerum

A

chlamydia trachomatis serotypes L1, L2, L3

  • painless bump on testes
  • then swell nodes that break open
52
Q

nongonococcal urethritis

A

chlamydia trachomatis

ureaplasm urealytium

53
Q

reiters syndrome

A

arthritis of large joints

-chlamydia trachomatis

54
Q

carrier pigeons, pet shops, veterinarians

A

chlamydophila psittaci

55
Q

dry cough, fever, less well defined infiltrates

-pigeon handler or pet worker

A

chlamydophila psittaci

56
Q

small gram - non-motile

  • arthropod vector
  • prefer endothelial
A

rickettsia

57
Q

weil felix

A

rickettsia and proteus vulgaris cross antigens

58
Q

tick

A

rocky mountain spotted fever

-rickettsia ricketsii

59
Q

lice

A

epidemic typhus

-rickettsia prowazekii

60
Q

flea

A

endemic typhus

-rickettsia typhi

61
Q

fever, conjunctival redness, HA, rash on soles and palms that spreads to trunk

A

rocky mountain spotted fever

-rickettsia ricketsii

62
Q

rickettsia rickettsii

A

rocky mountain spotted fever

63
Q

fever, HA, small pink macules appear - spare palms, soles, face

A

epidemic typhus

-rickettsia prowazekii

64
Q

wood or dog tick

A

rickettsia ricketsii

65
Q

flying squirrels

A

epidemic typhus

-rickettsia prowazekii

66
Q

brill zinsser disease

A

latent infection with rickettsia prowazekii

-elevated IgG levels

67
Q

red bump at site of bite - to blister and systemic vesicles and fever

A

rickettsial pox

-rickettsia akari

68
Q

rickettsia akari

A

rickettsialpox

  • initial red bumps at bite site
  • blisters
  • systemic vesicles and fever
69
Q

endemic typhus

A

rickettsia typhi

murine typhus

70
Q

fever, headache, bumpy rash

A

endemic typhus
-milder than epidemic

rickettsia typhi

71
Q

chigger spread

A

rickettsia tsutsugamushi

  • scrub typhus
  • in Asia
72
Q

fever, HA, scab at bite site, flat bumpy rash, in Asia

A

scrub typhus
-rickettsia tsutsugamushi

spread with chiggers

PBD FINAL (10 decks)

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