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VI - G(-) Flashcards

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
Most infective phase in pertusis
Catarrhal phase (1-2 weeks)
26
DOC for pertussis
Erythromycin
27
G(-) intracellular bacteria, visualized with Silver stain, grown on charcoal yeast
Legionella pneumophila
28
Transmission of Legionella pneumophila
Aerosol, NOT human-human
29
Clinical manifestation of Legionella
atypical pneumonia (hypoatremia, diarrhea)
30
DOC for Legionella
Azithromycin (or Erythromycin)
31
G(-) lactose fermenter, green sheen
Escherichia coli
32
E.coli pathogens
enterotoxins, pili, flagellum (H), endotoxin (O), capsule (K)
33
Traveler's diarrhea
ETEC
34
Hemorrhagic colitis, HUS
EHEC
35
Watery diarrhea in infants
EPEC
36
Persistent diarrhea in HIV patients
EAEC
37
Bloody diarrhea only
EIEC
38
MCC of community-acequired UTI
Escherichia coli
39
MCC of meningitis in Philippines
Escherichia coli
40
2nd MCC of meningitis worldwide
Escherichia coli
41
DOC for E.coli UTI
Ampicillin
42
DOC for E.coli meningitis
3rd gen Cephalosporin
43
G(-) nonlactose fermenting, H2S producing, motile, oxidase (-), XLD medium
Salmonella spp.
44
Salmonella, enterocolitis
S. enteritidis, S. typhimurium
45
Salmonella, thyphoid fever
S. typhi
46
Salmonella, septicemia
S. choleraesuis
47
Typhoid fever antigen
Vi capsular antigen
48
Earliest culture source in typhoid
Blood
49
Culture source in chronic carrier, typhoid
Bile
50
Most consistent culture source in typhoid
Bone marrow
51
Week of complications (ileitis) in typhoid
Week 3
52
DOC for Salmonella spp.
Amoxicillin in PH, Ciprofloxacin
53
G(-) nonlactose fermenting, non H2S producing, nonmotile
Shigella spp.
54
MCC of bacillary dysentery
Group D (Shigella sonnei / Duval's bacillus)
55
Most severe form of bacillary dystentery
Group A, type 1 (Shigella dysenteriae / Shiga bacillus)
56
DOC for Shigella
Ciprofloxacin (Nalidixic acid in IMCI)
57
G(-) coma-shaped, motile, oxidase-positive
Vibrio spp.
58
Motility of Vibrio
Shooting star
59
Vibrio species in human colon only
Vibrio cholerae
60
Enterotoxin in cholera
Choleragen
61
Pandemics by Vibrio caused by
Vibrio cholerae O1, El Tor
62
Character of stools in cholera
watery, large volumes (rice-water stools)
63
DOC in cholera
Tetracycline
64
G(-) coma-shaped, oxidase positive, microaerophilic
Campylobacter jejuni
65
MCC of bacterial gastroenteritis
Campylobacter jejuni
66
Complication of Campylobacter secondary to cross-reactivity to glycosophingolipins on surface of neural tissues
Guillain-Barre syndrome
67
Reactive arthritis in Campylobacter infection
Reiter's syndrome
68
G(-) microaerophilic, urease(+)
Helicobacter pylori
69
Pathogenesis of H. pylori
Conversion of urea to ammonia by urease
70
Triple therapy in H. pylori
COM/A: Clarithromycin + Omeprazole + Metronidazole or Amoxicillin
71
Quadruple therapy in H. pylori
TOMB: Tetracycline, Omeprazole, Metronidazole, Bismuth
72
MCC of pneumonia in alcoholics
Klebsiella pneumoniae
73
Sputum in Klebsialla pneumonia
Currant jelly-like, necrotizing pneumonia
74
G(-) lactose fermenter, urease positive, extended spectrum B-lactamase
Klebsiella pneumoniae
75
G(-) bacteria responsible for struvite stones/Mg-ammonium-phosphate/Staghorn calculi
Proteus mirabilis
76
Pathogenesis of struvite stones
Urease converts urea in urine to ammonium
77
DOC in struvite UTI
TMP-SMX
78
G(-) oxidase(+) with pyocyanin
Pseudomonas aeruginosa
79
Odor of Pseudomonas
grape-like
80
Etiology of burn wound infections, hot tub folliculitis
Pseudomonas aeruginosa
81
MCC of otitis externa
Pseudomonas aeruginosa
82
MCC of malignant otitis externa
Pseudomonas aeruginosa
83
MCC of chronic suppurative otitis media
Pseudomonas aeruginosa
84
MCC of pneumonia in cystic fibrosis
Pseudomonas aeruginosa
85
Cephalosporin for Pseudomonas
Ceftazidime/Cefepime
86
Penicillin for Pseudomonas
Ticarcillin/Piperacillin
87
G(-) anaerobe, predominant anaerobe of human colon
Bacteroides fragilis
88
DOC in Bacteroides
Metronidazole

Microbiology Flashcards (11 decks)

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