VI - G(-) Flashcards

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1
Q

Morphologic appearance is kidney-bean diplococci

A

Neisseria meningitidis, Neisseria gonorrheae

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2
Q

MCC of meningitis in 2-18 yrs

A

Neisseria meningitidis

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3
Q

Rash of meningococcemia

A

Purpura fulminans

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4
Q

Most severe form of meningococcemia

A

Waterhouse-Friedrichsen syndrome

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5
Q

DOC for meninggococcemia

A

Penicillin G

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6
Q

Meningococci vaccine contains capsular polysaccharides of which strains

A

W135, A, C, Y

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7
Q

G(-) diplococci

A

Neisseria

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8
Q

G(-) maltose fermenter

A

Neisseria meningitidis

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9
Q

Frequent co-infection with N. gonorrhea

A

Chlamydia trachomatis

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10
Q

MCC of urethritis

A

Neisseria gonorrheae

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11
Q

MCC of PID

A

Neisseria gonorrheae

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12
Q

PID finding of perihepatisis with violin strings adhesion on capsule

A

Fitz-Hugh-Curtis Syndrome

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13
Q

MCC of septic arthritis in sexually active adults

A

Neisseria gonorrheae

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14
Q

DOC for gonorrheae

A

Ceftriaxone + Doxycycline

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15
Q

Etiology of ophthalgia neonatorum

A

Neisseria gonorrheae

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16
Q

Etiologic agents in subacute bacterial endocarditis, culture (-), in pre-existing heart disease

A

Kingela kingae, Eikenella corrodens

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17
Q

Confers invasiveness to Haemophilus influenza

A

Polyribitol phosphate (type B)

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18
Q

MCC of epiglottitis

A

Haemophilus influenzae

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19
Q

Presents as stridor, Steeple sign

A

Epiglottitis

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20
Q

Clinical manifestation of H. influenzae

A

(EMOP) Epiglottitis, Meningitis, Otitis Media, Pneumonia

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21
Q

DOC for H. influenzae

A

Ceftriaxone

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22
Q

Etiologic agent of whooping cough/tuspirina

A

Bordetella pertusis

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23
Q

Toxin that causes whooping in pertussis

A

tracheal cytotoxin

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24
Q

Toxin that mediates attachment of Bordetella pertussis

A

hemagglutinin

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25
Q

Most infective phase in pertusis

A

Catarrhal phase (1-2 weeks)

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26
Q

DOC for pertussis

A

Erythromycin

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27
Q

G(-) intracellular bacteria, visualized with Silver stain, grown on charcoal yeast

A

Legionella pneumophila

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28
Q

Transmission of Legionella pneumophila

A

Aerosol, NOT human-human

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29
Q

Clinical manifestation of Legionella

A

atypical pneumonia (hypoatremia, diarrhea)

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30
Q

DOC for Legionella

A

Azithromycin (or Erythromycin)

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31
Q

G(-) lactose fermenter, green sheen

A

Escherichia coli

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32
Q

E.coli pathogens

A

enterotoxins, pili, flagellum (H), endotoxin (O), capsule (K)

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33
Q

Traveler’s diarrhea

A

ETEC

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34
Q

Hemorrhagic colitis, HUS

A

EHEC

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35
Q

Watery diarrhea in infants

A

EPEC

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36
Q

Persistent diarrhea in HIV patients

A

EAEC

37
Q

Bloody diarrhea only

A

EIEC

38
Q

MCC of community-acequired UTI

A

Escherichia coli

39
Q

MCC of meningitis in Philippines

A

Escherichia coli

40
Q

2nd MCC of meningitis worldwide

A

Escherichia coli

41
Q

DOC for E.coli UTI

A

Ampicillin

42
Q

DOC for E.coli meningitis

A

3rd gen Cephalosporin

43
Q

G(-) nonlactose fermenting, H2S producing, motile, oxidase (-), XLD medium

A

Salmonella spp.

44
Q

Salmonella, enterocolitis

A

S. enteritidis, S. typhimurium

45
Q

Salmonella, thyphoid fever

A

S. typhi

46
Q

Salmonella, septicemia

A

S. choleraesuis

47
Q

Typhoid fever antigen

A

Vi capsular antigen

48
Q

Earliest culture source in typhoid

A

Blood

49
Q

Culture source in chronic carrier, typhoid

A

Bile

50
Q

Most consistent culture source in typhoid

A

Bone marrow

51
Q

Week of complications (ileitis) in typhoid

A

Week 3

52
Q

DOC for Salmonella spp.

A

Amoxicillin in PH, Ciprofloxacin

53
Q

G(-) nonlactose fermenting, non H2S producing, nonmotile

A

Shigella spp.

54
Q

MCC of bacillary dysentery

A

Group D (Shigella sonnei / Duval’s bacillus)

55
Q

Most severe form of bacillary dystentery

A

Group A, type 1 (Shigella dysenteriae / Shiga bacillus)

56
Q

DOC for Shigella

A

Ciprofloxacin (Nalidixic acid in IMCI)

57
Q

G(-) coma-shaped, motile, oxidase-positive

A

Vibrio spp.

58
Q

Motility of Vibrio

A

Shooting star

59
Q

Vibrio species in human colon only

A

Vibrio cholerae

60
Q

Enterotoxin in cholera

A

Choleragen

61
Q

Pandemics by Vibrio caused by

A

Vibrio cholerae O1, El Tor

62
Q

Character of stools in cholera

A

watery, large volumes (rice-water stools)

63
Q

DOC in cholera

A

Tetracycline

64
Q

G(-) coma-shaped, oxidase positive, microaerophilic

A

Campylobacter jejuni

65
Q

MCC of bacterial gastroenteritis

A

Campylobacter jejuni

66
Q

Complication of Campylobacter secondary to cross-reactivity to glycosophingolipins on surface of neural tissues

A

Guillain-Barre syndrome

67
Q

Reactive arthritis in Campylobacter infection

A

Reiter’s syndrome

68
Q

G(-) microaerophilic, urease(+)

A

Helicobacter pylori

69
Q

Pathogenesis of H. pylori

A

Conversion of urea to ammonia by urease

70
Q

Triple therapy in H. pylori

A

COM/A: Clarithromycin + Omeprazole + Metronidazole or Amoxicillin

71
Q

Quadruple therapy in H. pylori

A

TOMB: Tetracycline, Omeprazole, Metronidazole, Bismuth

72
Q

MCC of pneumonia in alcoholics

A

Klebsiella pneumoniae

73
Q

Sputum in Klebsialla pneumonia

A

Currant jelly-like, necrotizing pneumonia

74
Q

G(-) lactose fermenter, urease positive, extended spectrum B-lactamase

A

Klebsiella pneumoniae

75
Q

G(-) bacteria responsible for struvite stones/Mg-ammonium-phosphate/Staghorn calculi

A

Proteus mirabilis

76
Q

Pathogenesis of struvite stones

A

Urease converts urea in urine to ammonium

77
Q

DOC in struvite UTI

A

TMP-SMX

78
Q

G(-) oxidase(+) with pyocyanin

A

Pseudomonas aeruginosa

79
Q

Odor of Pseudomonas

A

grape-like

80
Q

Etiology of burn wound infections, hot tub folliculitis

A

Pseudomonas aeruginosa

81
Q

MCC of otitis externa

A

Pseudomonas aeruginosa

82
Q

MCC of malignant otitis externa

A

Pseudomonas aeruginosa

83
Q

MCC of chronic suppurative otitis media

A

Pseudomonas aeruginosa

84
Q

MCC of pneumonia in cystic fibrosis

A

Pseudomonas aeruginosa

85
Q

Cephalosporin for Pseudomonas

A

Ceftazidime/Cefepime

86
Q

Penicillin for Pseudomonas

A

Ticarcillin/Piperacillin

87
Q

G(-) anaerobe, predominant anaerobe of human colon

A

Bacteroides fragilis

88
Q

DOC in Bacteroides

A

Metronidazole