4. Gram-Positive Bacteria Flashcards

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1
Q

Staphylococccus

A
  1. Staphylococcus aureus
  2. Staphylococcus epidermidis
  3. Staphylococcus saprophyticus
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2
Q

S. aureus

A
  • clustered cocci
  • B-hemolytic
  • catalase +ve
  • coagulase +ve
  • facultative anaerobe
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3
Q

S. epidermidis

A
  • clustered cocci
  • catalase +ve
  • coagulase -ve
  • facultative anaerobe
  • novobiocin sensitive
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4
Q

S. saprophyticus

A
  • clustered cocci
  • y-hemolytic
  • coagulase -ve
  • catalase +ve
  • facultative anaerobe
  • novobiocin resistant
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5
Q

Streptococci

A
  1. Streptococcus pyogenes
  2. Streptococcus agalactiae
  3. Streptococcus pneumoniae
  4. Streptococcus viridans
  5. Enterococcus faecalis
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6
Q

S. pyogenes

A
  • Chain
  • B-hemolytic
  • microaerophilic
  • catalase -ve
  • bacitracin sensitive
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7
Q

S. agalactiae

A
  • chains
  • B-hemolytic
  • catalase -ve
  • facultative anaerobe
  • bacitracin resistant
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8
Q

S. pneumoniae

A
  • diplococci
  • a-hemolytic
  • catalase -ve
  • facultative anaerobe
  • optochin sensitive
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9
Q

S. viridans

A
  • chains
  • a-hemolytic
  • catalase -ve
  • facultative anaerobe
  • optochin resistant
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10
Q

Enterococcus faecalis

A
  • chains
  • a, B, y-hemolytic
  • catalase -ve
  • facultative anaerobe
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11
Q

Bacillus

A
  1. Bacillus anthracis
  2. Bacillus cereus
  3. Bacillus subtilis
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12
Q

B. anthracis

A
  • Spore-forming rods
  • aerobe (sometimes facultative)
  • penicilin sensitive
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13
Q

B. cereus

A
  • Spore forming rods
  • Facultative anaerobe
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14
Q

B. subtilis

A
  • Common laboratory contaminant
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15
Q

Cornybacterium

A
  1. Corynebacterium diphtheriae
  2. C. xerosis
  3. C. pseudodiphtheriticum
  4. C. pseudotuberculosis
  5. C. jekeium
  6. C. ulcerans
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16
Q

C. diphtheria

A
  • Non-spore forming rods
  • Aerobic/ Facultative anaerobic
  • “chinese letter”
17
Q

Clostridium

A
  1. Clostridium tetani
  2. Clostridium botulinum
  3. Clostridium perfringens
  4. Clostridium difficile
18
Q

C. tetani

A
  • Spore forming rods
  • anaerobe
  • heat, antiseptic, chemical agent resistant
19
Q

C. botulinum

A
  • Spore forming rods
  • anaerobe
  • heat resistant
20
Q

C. perfringes

A
  • Spore forming rods
  • anaerobe
21
Q

C. difficile

A
  • Spore forming rods
  • anaerobe