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Microbiology > Gram Negative > Flashcards

Gram Negative Flashcards

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0
Q

Gram negative diplococci

Maltose nonfermenter

A

Neisseria Gonorrheae

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1
Q

Gram negative diplococci

Maltose fermenter

A

Neisseria Menigitidis

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2
Q

Slow lactose fermenter

A

Citrobacter

Serratia

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3
Q

Gram negative rod
Enriched chocolate agar
Polyribitol phosphate capsule

A

Haemophilus influenzae type B

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4
Q

Gram negative rods
Bordet Gengou agar
Whooping cough

A

Bordetella pertussis

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5
Q

Gram negative rods
Poorly gram staining
Silver stain
Charcoal yeast agar

A

Legionella pneumophilia

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9
Q

Gram negative rods
Comma shape
Microaerophilic
Skirrow agar

A

Campylobacter jejuni

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10
Q

Gram negative rods
Comma shaped
Urease positive

A

Helicobacter pylori

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11
Q 
Gram negative rods
Nolactose fermenting
Motile
Oxidase negative
H2S producer
A

Salmonella spp

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12
Q 
Gram negative rod
Non lactose fermenting
Non motile
Oxidase negative
Non H2S producer
A

Shigella spp

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13
Q 
Gram negative rods
Non lactose fermenting
Swarming
Oxidase negative
H2S producer
Urease
A

Proteus mirabilis

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14
Q 
Gram negative
Non lactose fermenring
Oxidase positive
H2S non producer
Obligate aerobe
A

Pseudomonas aeruginosa

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16
Q

Gram negative rods
Lactose fermenter
Green sheen

A

E coli

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17
Q

Gram negative rods
Lactose fermenter
Urease positive
ESBL

A

Klebsiella pneumoniae

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18
Q

Gram negative rods
Comma shaped
Motile
Oxidase positive

A

Vibrio cholerae

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19
Q

Most common cause of childhood meningitis

A

Neiserria menigtides

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20
Q

Chemoprophylaxis for Neisseria gonorrrhoeae

A

Rifampin

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21
Q

Most common cause of urethritis

A

Neisseria gonorhoeae

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22
Q

Most common cause of PID

A

Neisseria gonorrhoeae

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23
Q

Most common cause of septic arthritis in sexually active adults

A

Neisseria gonorrhoeae

24
Q

Capsule of Harmophilus influenzae type b

A

Polyribitol phosphate

25
Q

Most common cause of epiglottitis

A

Haemophilus influenzae type b

26
Q

Drug of choice for Haemophilus influenzae type b

A

Ceftriaxone

27
Q

Pertussis toxin causing damage to ciliated cells

A

Tracheal cytotoxin

28
Q

Pertussis toxin mediating attachment

A

Filamentous hemagglutinin

29
Q

Pertussis toxin causing ADP-ribosylation and lymphocytosis

A

Pertussis toxin

30
Q

Pertussis toxin inhibiting phagocytic activity

A

False adenylate cyclase

31
Q

Pertussis toxin causing whooping

A

Tracheal cytotoxin

32
Q

Pertussis: Best time to collect blood

A

Catarrhal phase

33
Q

Most common cause of community-acquired UTI

A

E coli

34
Q

Salmonella: detects antibodies in serum

A

Widal test

35
Q

Host of Salmonella

A

Typhi: humans only

36
Q

Virulence factor in typhoid fever

A

Vi capsular antigen

37
Q

Culture source for typhoid fever

A

Week 1: blood
Week 2: urine
Week 3: stool

38
Q

Treatment of typhoid fever

A

Amoxicillin
Chloramphenicol
TMP-SMX

39
Q

Most conmon cause of bacillary dysentery

A

Shigella sonnei
Group D
Duval’s bacillus

40
Q

Most severe form of bacillary dysentery

A

Shigella dysenteriae type 1
Group A
Shiga bacillus

41
Q

Most common cause of epidemic dysentery

A

Shigella dysenteriae type 1
Group A
Shiga bacillus

42
Q

Cholera toxin acting by ADP ribosylation

A

Enterotoxin (choleragen)

43
Q

Cholera pandemic caused by

A

O1 biotype El Tor

44
Q

Drug of choice for cholera

A

Tetracycline

Azithromycin

45
Q

Most common cause of bacterial gastroenteritis

A

Campylobacter jejuni

46
Q

Treatment: Campylobacter jejuni

A

Erythromycin

47
Q

Most common cause of pneumonia in alcoholics

A

Klebsiella pneumoniae

48
Q

Treatment: Proteus mirabilis

A

TMP-SMX

Ampicillin

49
Q

Pseudomonas toxin damaging cilia and mucosal cells

A

Pyocyanin

50
Q

Most common vause of otitis externa

A

Pseudomonas aeruginosa

51
Q

Most common cause of malignant otitis externa in diabetics

A

Pseudomonas aeruginosa

52
Q

Most commn cause of chronic suppurative otitis media

A

Pseudomonas aeruginosa

Microbiology (12 decks)

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