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BACTERIOLOGY > Gram Positive Bacilli > Flashcards

Gram Positive Bacilli Flashcards

1
Q

Catalase Positive

A

LBC

Listeria
Bacillus
Corynebacterium

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2
Q

Catalase Negative

A

WELGA

Weisella
Erysipelothrix
Lactobacillus
Gardnerella
Arcanobacterium

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3
Q

Spore formers

A

Bacillus
Clostridium

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4
Q

Branching/Fungus Like

A

Actinomyces
Nocardia

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5
Q

Gram positive Bacilli

Aerobic

Catalase positive

forms central spors

A

Bacillus

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6
Q

Most virulent, agents of anthrax

A

B. anthracis

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7
Q

3 forms of anthrax

A
  1. Cutaneous anthrax
  2. Woolsorter’s disease / Pulmonary anthrax
  3. Gastrointestinal anthrax `
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8
Q

Form of anthrax that is common and less severe

A

Cutaneous anthrax

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9
Q

Form of anthrax that is rare but severe

A

Gastrointestinal anthrax

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10
Q

Colonies: Medusa Head

Arrangement: Bamboo pole

MHA: Strings of pearls

A

B. anthrax

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11
Q

Bacillus associated with food poisoning; food or milk, rice

A

B. cereus

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12
Q

Colonies: Feathery

A

B.cereus

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13
Q

Bacillus cereus:

Emetic

A

Vomiting after 1-4 hrs

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14
Q

Bacillus cereus:

Diarrheic

A

18-24 hrs

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15
Q

Differentiate Anthrax and Cereus:

A

Motility
Hemolysis

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16
Q

Non motile
Gamma hemolytic
Medusa Head

A

B. anthrac

17
Q

Motile
Beta hemolytic
Feathery

A

B. cereus

18
Q

Causes Myenocrosis (Gas gangrene) and Food Poisoning

Box car colonies

Double Hemolysis

A

C. perfringens

19
Q

Forms spores (anaerobically)

Catalase negative

A

Clostridrium

20
Q

All clostridium are anaerobic except for

A

C. pefrigens (microaerotolerant)

21
Q

Reverse Camp’s Test (+) Enhanced hemolysis

Naegler Reaction (+) opaque on non-toxin

A

C. perfringens

22
Q
  1. Lipase Test (+)
  2. Tennis Racket Appearance
  3. Irradescent sheen EYA
A

C. botulinum

23
Q

Irradescent Sheen on EYA

Flaccid paralysis

Strabismus eyes

A

C. botulinom

24
Q

produces tetanospasmin

Beta-hemolytic

Spastic contractions/Lock jaw

TERMINAL SPORES(LOLLIPOP)

A

C. tetani

25
Q

Pseudomembranous collitis

CCFA

Yellow colonies CHARTREUSE FLUORESCENE

HORSE BARN YARD ODOR

A

C. difficile

26
Q

Associated with malignancies (colorectal cancer)

Beta hemolytic

SWARMING

A

C. septicum

BACTERIOLOGY (25 decks)

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