Bacteriology Flashcards

1
Q

Obligate intracellular

A

Rickettsiae

Chlamydia

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2
Q

Bird francier’s disease

A

Psittacosis

Chlamydia psittaci

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3
Q

Cross reaction with antigens of ox strains of proteus. Detection of antirickettsial antibodies

A

Weil-felix reaction

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4
Q

Palm and sole rashes

CARS

A

Coxackie A
Rocky mountain spotted fever
Syphilis

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5
Q

Associated with atherosclerosis

A

Chlamydia pneumoniae

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6
Q

Cat scratch dse in IC, bacillary angiomatosis in IS

A

Bartonella henselae

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7
Q

DOC rickettsia

A

Doxycycline

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8
Q

Pseudoappendicitis (mesenteric adenitis)

A

Yersinia enterolitica

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9
Q

Granuloma inguinale (donovanosis)
Beefy red velvety ulcer
Pseudobuboes
Donovan bodies

A

Klebsiella granulomatis

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10
Q

Gram positive lancet shaped in pairs or short chains

A

Strep pneumoniae

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11
Q

DOC group D strep

S. Bovis, e. Faecalis

A

Penicillin + gentamycin

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12
Q

DOC pontiac fever

A

Azithromycin

Erythromycin

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13
Q

DOC for HiB

A

Ceftriaxone

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14
Q

MCC epiglottitis

Thumb sign

A

H. Influenzae

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15
Q

Satellitism around staph aureus d/t factor V

A

H. Influenzae

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16
Q

Agent of Post viral pneumonia

A

Staph aureus

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17
Q

Toxin involved in SSS

A

Exfoliatin

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18
Q

DOC S. Saprophyticus

A

Cotrimoxazole

Quinolones

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19
Q

Toxin in scarlet fever

A

Erythrogenic toxin

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20
Q

Pathogenesis of ARF

A

Antibodies to M protein

Type II HSR

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21
Q

Perioral lesions with honey crusting, neutrophils below s. Corneum

A

Impetigo contagiosa

S. Pyogenes

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22
Q

Strawberry tongue
Centrifugal sandpaper rash
Pastia’s lines

A

Scarlet fever

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23
Q

Test for susceptibility to scarlet fever

A

Dick test

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24
Q

Virulence factor for necrotizing fasciitis

A

Exotoxin B

Strep pyogenes

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25
Q

Virulence factor for erysipelas - deep dermis cellulitis

A

Hyaluronidase

S. Pyogenes

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26
Q

Retropharyngeal abscess caused by s. Pyogenes

A

Quincy abscess

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27
Q

Abscess in osteomyelitis caused by s. Aureus

A

Brodie’s abscess

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28
Q

Toxin in s. Aureus that causes hemolysis and skin necrosis

A

Alpha toxin

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29
Q

AGE usually due to contaminated mayonnaise

A

Staph aureus

Enterotoxin, heat stable

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30
Q

DOC for formation of glycocalyx in prosthesis

A

Vancomycin

S. Epidermidis

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31
Q

Anti DNAse b positive

A

S. Pyogenes

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32
Q

Toxin similar to TSST1

A

Pyogenic exotoxin A from s. Pyogenes

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33
Q

2 virulence factors of v. Cholerae

A

Mucinase

Enterotoxin - choleragen - ADP ribosylation

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34
Q

DOC for Vibrio cholerae

A

Azithromycin

Tetracyclines

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35
Q

DOC for v. Vulnificus and v. Parahaemolyticus

A

Minocycline

+ fluoroquinolones/ cefotaxime

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36
Q

MCC of bacterial gastroenteritis

A

C. Jejuni

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37
Q

Assoc with GBS due to antigenic cross reaction

A

C. Jejuni

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38
Q

Urease positive organisms

A

Proteus
Klebsiella
H. Pylori
Ureaplasma

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39
Q

Cancer assoc with h. Pylori

A

Gastric carcinoma

Malt lymphoma

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40
Q

Triple and quad therapy for h. Pylori

A

Omeprazole
Metronidazole
Clarithromycin or amoxicillin
+- bismuth

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41
Q

Reactive arthritis
Urethritis
Uveitis

A

Reiter’s syndrome

C. Jejuni

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42
Q

Facultative gram neg rods
With large polysaccharide capsule
Esbl activity
Urease positive

A

Klebsiella pneumoniae

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43
Q

DOC for necrotizing pneumonia

A

Cephalosporin +- aminoglycoside

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44
Q

DOC for proteus

A

TMP SMX

Ampicillin

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45
Q

Complicated uti

Struvite stone formation

A

Proteus

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46
Q

Grape like odor of p. aeruginosa

A

Aminoacetophenone

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47
Q

MCC of OE, CSOM

A

P. aeruginosa

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48
Q

Mild form of necrotizing enterocolitis

A

Shanghai fever

P. aeruginosa

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49
Q

Green bile pigment in pseudomonas due to

A

Pyocyanin

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50
Q

Main anaerobe in colon

A

Bacteroides fragilis

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51
Q

DOC for bacteroides

A

Metronidazole
Clindamycin
Cefoxitin

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52
Q

Contaminated dairy

A

Brucella abortis

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53
Q

DOC for brucella

A

Doxyxycline + rifampin

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54
Q

From tick bite (dermacentor)

A

Francisella tularemia

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55
Q

Most virulent bacteria

A

Yersinia pestis

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56
Q

Short encapsulated gram neg rod

Buttery colonies with musty odor due to indole

A

Pasteurella multocida

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57
Q

DOC for dse with buboes, cutaneous hemorrhage

A

Streptomycin
Tetracycline
(Yersinia)

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58
Q

Assay for mycobacterium drug resistance

A

Luciferase assay

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59
Q

Site of GI TB

A

Ileocecal

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60
Q

Cat II tb treatment

A

2HRZES, 1HRZE

5HRE

61
Q

Action of cord factor

A

Prevents leukocyte migration

62
Q

Cholesterol in cell membrane

A

Mycoplasma pneumonae

63
Q

With Cold agglutinins vs. RBC, autoantibodies against liver, lung, brain

A

Mycoplasma

64
Q

MC infectious cause of SLE

A

Mycoplasma

65
Q

DOC of mycoplasma

A

Erythromycin

Azithromycin

66
Q

Enlarged unilateral sternoclavicular area

A

Higoumenakis sign

T. Pallidum

67
Q

MC COD in congenital syphilis

A

Pulm hemorrhage

68
Q

Hutchinson triad

A

Hutchinson teeth
Deafness
Keratitis

69
Q

False positive VDRL

A

Viruses
Marijuana
RA, RA
Lupus, leprosy

70
Q

Gram neg facultative rods, nonlactose fermenting, h2s positive

A

Salmonella

71
Q

Dse caused by Vi capsular antigen

A

Typhoid fever

S. Typhi

72
Q

Ttt for chronic carrier state of s. Typhi

A

Ampicillin due to enterohepatic recycling

73
Q

Salmonella forms that cause enterocolitis

A

S. Enteritidis

S. Typhimurium

74
Q

Salmonella type causing septicemia in pt with sickle cell anemia or cancer

A

S. Choleraesuis

75
Q

DOC for salmonella

A

Ceftriaxone

Ciprofloxacin

76
Q

Week and sample for dx of s. Typhi

Bleeding, ileitis, pneumonia

A

3rd week
Stool
BM

77
Q

Samples for carrier testing in s. Typhi

A

Bile
Stool
Bm

78
Q

Boxcar shape, medusa head colony

A

Bacillus anthracis

79
Q

Poly d glutamate capsule

A

Bacillus anthracis

80
Q

DOC for cutaneous anthrax

A

Ciprofloxacin

81
Q

Enlarged mediastinal LN

MC COD pulm hemorrhage

A

Inhalational anthrax

Woolsorter’s dse

82
Q

DOC for b. Cereus

A

Vanco
High dose clindamycin
Genta or cipro

83
Q

Agent causing ophthalmitis

Loss of light perception in 48 hrs

A

B. Cereus

84
Q

Reheated fried rice

A

B. Cereus

85
Q

Terminal end spore

A

C. Tetani

86
Q

Protease cleaving CHON > glycine release from renshaw cells > spastic paralysis

A

Tetanospasmin

87
Q

Alkaline veg, canned food, honey, smoked fish

A

C. Botulinum

88
Q

Botox

A

Exotoxin a of C. Botulinum

89
Q

Triad of botulism

A

Descending flaccid paralysis
No fever
Intact sensorium

90
Q

Bulbar signs of botulism

A

Dysphagia
Diplopia
Dysphonia
Dysarthria

91
Q

Eye signs of botulism

A

Mydriasis
BOV
Diplopia
Ptosis

92
Q

Double hemolysis on blood agar due to lecithinase

A

C. Perfringens

93
Q

Exotoxin detected in stool due yo cytopathic effects

A

C. Difficile

94
Q

Toxin causing pseudomembrane form’n

A

Exotoxin a and b of c. Difficile

95
Q

DOC for C. Perfringens

A

Penicillin

96
Q

DOC for C. Difficile

A

Metronidazole

Vancomycin

97
Q

Causes flare up of UC

A

C. Difficile

98
Q

Club, comma, chinese character

A

C. Diphtheriae

99
Q

Babes ernst/ volutin granules

A

C. Diphtheriae

100
Q

Test for toxigenicity of Diphtheria

A

Modified elek test

101
Q

Unpasteurized milk

A

Listeria

Brucella

102
Q

Fx that transport listeria from cell to cell

A

Actin rockets

103
Q

Granulomatous infantiseptica

A

Listeria

104
Q

Internalin binding to e cadherin

A

Listeria

105
Q

Gram + rods
Narrow beta hemolysis
Cold enhancement

A

Listeria

106
Q

Human bite

A

Eikinella corrodens

107
Q

Assoc with close quarters

A

N. Meningitidis

108
Q

Chemoprophylaxis of neisseria meningitidis

A

Rifampin

109
Q

Virulence factors include
Pili
IgA protease
Lipooligosaccharide

A

Neisseria gonorrhea

110
Q

Violin string adhesions

Perihepatitis

A

Fitz hugh curtis syndrome

111
Q

Ttt for neisseria in pregnant

A

Ceftriaxone + azithromycin

112
Q

Metallic sheen in emb

A

E coli

113
Q

Ttt for shigella

A

Ciprofloxacin

114
Q

MCC epidemic dysentery

A

Shigella dysentirae type 1 shiga bacillus

115
Q

Toxin causing HUS, hemorrhagic colitis

A

Verotoxin

Shiga like toxin

116
Q

MCC travelers diarrhea

A

ETEC

117
Q

Persistent watery stools in aids pts

A

EAEC

118
Q

EHEC type

A

O157:H7

119
Q

E coli antigens in:
Flagellar
Endotoxin
Capsule

A

Flagellum : h antigen
Endotoxin : o antigen
Capsule : k antigen

120
Q

Phase with constant growth rate

A

Log / exponential phase

121
Q

Phase where (+) spore formation

A

Phase 3 max stationary

122
Q

Obligate anaerobes

A

Actinomycetes
Bacteroides
Clostridium

123
Q

Aerotolerant anaerobes

A

Propionobacterium

Lactobacillus

124
Q

Spore formers

A

Bacillus

Clostridium

125
Q

Lactose fermenters

A

Citrobacter
Klebsiella
E coli
Enterobacter

126
Q

MCC bacillary dysentirae

A

S. Sonnei

127
Q

Newcastle manchester bacillus

A

S. Boydii

128
Q

Duval’s bacillus

A

S. Sonnei

129
Q

Hiss and russell’s bacillus

A

S. Flexneri

130
Q

Ttt for erythema nodosum

A

Thalidomide

131
Q

Ttt for nocardioses

A

Cotrimoxazole + drainage

132
Q

Fite faraco stain

A

Nocardia asteroides

133
Q

Aerobic

Filamentous rods with aerial hyphae

A

nocardia asteroides

134
Q

Hard nontender nodule
Sinus tracts
Sulfur granules

A

Actinomycoses

135
Q

Assoc with fractured jaw, dental extraction

A

Actinomyces israelli

136
Q

Ttt for actinomyces

A

Pen g

Drainage

137
Q

Acrodermatitis chronica atrophicans

A

Borrelia burgdorferi

138
Q

Transmitted. Thru ixodes scapularis

A

Borrelia burgdorferi

139
Q

Ttt for early or localized lyme dse

A

Doxycycline

140
Q

Bullseye or target lesions

A

Erythema chronicum migrans

Lyme dse stage 1

141
Q

Largest med relevant bac stains well with aniline dyes

A

Borrelia burgdorferi

142
Q

Transmitted by pediculus humanus

A

Borrelia recurrentis

143
Q

Shepherds crook

A

Leptospira interrogans

144
Q

Initial lesion of leptospirosis

A

Vasculitis due to damage to endothelium

145
Q

God standard for leptospirosis

A

Lepto MAT

146
Q

Weil syndrome triad

A

Jaundice
Bleeding
Uremia

147
Q

Chemoprophylaxis of leptospirosis

A

Doxycycline

148
Q

Halberstadter prowazek inclusions

A

Trachoma

C. Trachomatis