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Mikrobyo > Bacteriology - Gram Negative Bacteria > Flashcards

Bacteriology - Gram Negative Bacteria Flashcards

(80 cards)

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1
Q

Ferments Maltose and Glucose

A

N. meningitidis

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2
Q

Ferments Glucose only

A

N. gonorrhoeae

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3
Q

MCC of meningitis among 2-18yo

A

N. meningitidis (recall: BEL for neonates; NHS for infants)

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4
Q

fever, shock, purpura, DIC, thrombocytopenia, ADRENAL INSUFFICIENCY

A

Waterhouse Frriderichsen Syndrome (most severe form of meningococcemia)

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5
Q

DOC for meningococcemia (N meningitidis)

A

Pen G

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6
Q

Strains included in capsular polysaccharide vaccine for meningococcemia

A

A, C, Y, W-135

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7
Q

Chemoprophylaxis for close contacts of meningococcemia

A

Rifampin

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8
Q

MCC of urethritis

A

N. gonorrhoeae

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9
Q

MCC of PID

A

N. gonorrhoeae

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10
Q

Violin string adhesions (perihepatitis)

A

Fitz-Hugh-Curtis Syndrome

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11
Q

MCC of septic arthritis in sexually active adults

A

N. gonorrhoeae

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12
Q

DOC for gonorrhea

A

Ceftriaxone + doxycycline (due to frequent co-infection with chlamydia)

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13
Q

HACEK organisms causinf culture negative subacute bacterial endocarditis

A

Haemophilus aphrophilus; Actinobacillus actinomycetemcomitans; Cardiobacterium hominis; Eikenella corrodens; Kingella kingae

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14
Q

Satellite phenomenon around s. aureus colonies

A

haemophilus influenzae

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15
Q

Factors added to chocolate agar for H influenzae cultures

A

Factors 5(NAD) and 10 (hemin)

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16
Q

Cherry red epiglottis, Thumb sign

A

Epiglottitis

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17
Q

MCC of epiglotittis

A

haemophilus influenzae

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18
Q

DOC for haemophilus

A

ceftriaxone

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19
Q

Cause of laryngotracheobronchitis

A

parainfluenza 1 and 2

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20
Q

Steeple Sign

A

laryngotracheobronchitis

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21
Q

Tx for laryngotracheobronchitis

A

racemic epinephrine

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22
Q

DOC for pertussis

A

erythromycin

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23
Q

Silver stain, charcoal yeast extract agar (iron and cysteine)

A

Legionella

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24
Q

Phases of pertussis

A

Incubation; Catarrhal (Mucuos membrane - highest bacterial load); Paroxysmal (whooping); Convalescent

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25
Cause of Pontiac fever (mild, flulike illness)
Legionella
26
DOC for legionella
azithromycin or erythromycin
27
lactose fermenter, characteristic "green sheen" on EMB Agar
escherichia coli
28
urease positive, ESBL
klebsiella pneumoniae
29
comma shaped, motile, oxidase positive
Vibrio (other comma - helicobacter, campylobacter and corynebacterium)
30
Non-lactose fermenters gram negative rods (4)
Salmonella, Shigella, Proteus, Pseudomonas
31
H2S producer, Nonlactose fermenter
Salmonella (shigella = no H2s)
32
Swarming motiity
Proteus mirabilis
33
Lactose fermenter (SEEK laCtose)
Serratia, Escherichia, Enterobacter, Klebsiella, Citrobacter)
34
MCC of community acquired UTI
E. coli
35
E coli: Watery diarrhea
ETEC
36
E coli: Pedia, Philippines (developing), Prolonged
EPEC
37
E coli: Bloody diarrhea, Hemorrhagic colitis, HUS
EHEC
38
E coli: Bloody diarrhea
EIEC
39
E coli: HIV, persistent diarrhea
EAEC
40
Typhoid fever is due to _____ antigen
Vi capsular antigen
41
Culture source for salmonella for all 5 weeks
Bone marrow!
42
Preferred culture sources for first 3 weeks
B-U-S: 1-Blood; 2-Urine; 3-Stool
43
DOC for typhoid fever in the Phils
Amoxicillin, Cotrimoxazole; Chloramphenicol
44
Preferred site invasion of shigella
distal ileum and colon
45
MCC of bacillary dysentery
Shigella sonnei/Dural's bacillus
46
MCC of epidemic dysentery
Shigella dysenteriae 1/Shiga bacillus
47
Most severe form of bacillary dysentery
Shigella dysenteriae 1/Shiga bacillus
48
DOC for shigella
ciprofloxacin
49
shooting star motility
vibrio cholerae
50
strain of cholera causing pandemics
Cholera El Tor (Vibrio cholerae O1 biotype El Tor)
51
DOC for shortening duration of cholera
azithromycin or tetracycline
52
MCC of bacterial gastroenteritis
campylobacter jejuni
53
uncooked chicken = (no, it's not salmonella)
campylobacter jejuni
54
Antigenic cross reactivity between oligosaccharide in campylobacter capsule and glycosphingolipids of neural tissues
Guillan-Barre Syndrome
55
Urethritis, Uveitis, and Arthritis
Reiter's Syndrome (reactive with campylobacter jejuni)
56
DOC for SEVERE campylobacter infection (otherwise, supportive measures only)
erythromycin
57
Test used to document cure of H. pylori
Urease breath test
58
Triple therapy
Bismuth+Metro+Tetracycline; Omep+Metro/amox+clarithromycin; Ranitidine+Tetracycline+clarith/metronidazole
59
Quadruple therapy
Omep+bismuth+tertacycline+Metronidazole
60
MCC of pneumonia in alcoholics
klebsiella pneumoniae
61
Currant jelly sputum
klebsiella pneumoniae
62
DOC for kleb pneumonia
cephalosporin +/- aminoglycoside
63
Struvite stones =
Proteus mirabilis (alkalinizes urine)
64
composition of struvite stones
Magnesium--Ammonium--Phosphate
65
DOC for proteus
TMP-SMX or ampicillin
66
Sweet grape like odor
Pseudomonas
67
hot tub folliculitis
Pseudomonas
68
MCC of otitis externa
Pseudomonas
69
MCC of malignant otitis externa in diabetics
Pseudomonas
70
MCC of CSOM
Pseudomonas
71
Pneumonia in patients with bronchiectasis and cystic fibrosis, think of…
Pseudomonas
72
Third most common cause of NOSOCOMIAL UTIs
Pseudomonas
73
Hemorrhagic lesions (oval)
Pseudomonas - Eccthyma h=gangrenosum
74
Antipseudomonal penicillins (2)
Ticarcillin and piperacillin
75
Cephalosporin with antipseudomonal activity
Ceftazidime (3rd) and Cefepime (4th)
76
Monobactam with antipseudomonal activity
Aztreonam
77
Carbapenems with antipseudomonal activity
Imipenem, meropenem, doripenem, ertapenem
78
Fluoroquinolone with antipseudomonal activity
ciprofloxacin
79
Predominant anaerobe of human colon
bacteroides fragilis
80
DOC for bacteroides
metronidazole, clindamycin, or cefoxitin

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