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Bacteriology > Staphylococci & Micrococci > Flashcards

Staphylococci & Micrococci Flashcards

1
Q

Gram (+) cocci in clusters, pairs, or singly

A

Staphylococci

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2
Q

Facultative anaerobes, non-motile,a nd non-spore formers

A

Staphylococci

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3
Q

Gram (+) cocci in clusters, tetrads, chains, or pairs

A

Micrococci

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4
Q

associated with skin lesions

A

Micrococci

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5
Q

more commonly isolated among immunocompromised patients

A

Micrococci

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6
Q

can be aerobic and anaerobic

A

Staphylococci

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7
Q

oxidative/nonsaccharolytic

A

Micrococcus

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8
Q

Fermentative

A

Staphylococci

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9
Q

Bacitracin/Taxo A resistant

A

Staphylococci

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10
Q

Identify if:

  • Staphylococcus aureus
  • Staphylococcus epidermidis
  • Staphylococcus saprophyticus
  • Staphylococcus lugdunensis

2nd most common cause of UTIs among young females

A

S. saprophyticus

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11
Q

Identify if:

  • Staphylococcus aureus
  • Staphylococcus epidermidis
  • Staphylococcus saprophyticus
  • Staphylococcus lugdunensis

most clinically significant

A

S. aureus

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12
Q

Identify if:

  • Staphylococcus aureus
  • Staphylococcus epidermidis
  • Staphylococcus saprophyticus
  • Staphylococcus lugdunensis

Toxic Shock Syndrome

A

S. aureus

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13
Q

Identify if:

  • Staphylococcus aureus
  • Staphylococcus epidermidis
  • Staphylococcus saprophyticus
  • Staphylococcus lugdunensis

Scalded Skin Syndrome

A

S. aureus

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14
Q

Identify if:

  • Staphylococcus aureus
  • Staphylococcus epidermidis
  • Staphylococcus saprophyticus
  • Staphylococcus lugdunensis

food poisoning, impetigo, furuncles, carbuncles

A

S. aureus

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15
Q

Identify if:

  • Staphylococcus aureus
  • Staphylococcus epidermidis
  • Staphylococcus saprophyticus
  • Staphylococcus lugdunensis

can colonize prosthetic devices or surgical devices

A

S. epidermidis

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16
Q

Identify if:

  • Staphylococcus aureus
  • Staphylococcus epidermidis
  • Staphylococcus saprophyticus
  • Staphylococcus lugdunensis

prosthetic valve endocarditis

A

S. epidermidis

17
Q

Identify if:

  • Staphylococcus aureus
  • Staphylococcus epidermidis
  • Staphylococcus saprophyticus
  • Staphylococcus lugdunensis

stitch abscess

A

S. epidermidis

18
Q

Identify if:

  • Staphylococcus aureus
  • Staphylococcus epidermidis
  • Staphylococcus saprophyticus
  • Staphylococcus lugdunensis

pyelonephritis and cystitis in young women and older men in catheters

A

S. saprophyticus

19
Q

Identify if:

  • Staphylococcus aureus
  • Staphylococcus epidermidis
  • Staphylococcus saprophyticus
  • Staphylococcus lugdunensis

colony count is x < 100,000 CFU/mL

A

S. saprophyticus

20
Q

Identify if:

  • Staphylococcus aureus
  • Staphylococcus epidermidis
  • Staphylococcus saprophyticus
  • Staphylococcus lugdunensis

endocarditis, septicemia, meningitis

A

S. lugdunensis

21
Q

Identify if:

  • Staphylococcus aureus
  • Staphylococcus epidermidis
  • Staphylococcus saprophyticus
  • Staphylococcus lugdunensis

aggressive type of endocarditis

A

S. lugdunensis

22
Q

Initial test used to differentiate Staphylococcus species

A

Coagulase test

23
Q

enzyme that converts fibrinogen to fibrin

A

coagulase

24
Q

Pathologic Determinants

antiphagocytic and binds to antibodies to block phagocytosis

A

Protein A

25
Q

Pathologic Determinants

affects immediate and delayed hypersensitivity

A

Protein A

26
Q

Pathologic Determinants

adhesion or enhances organism’s ability to bind to host cells and prosthetics

A

Capsular polysaccharide

27
Q

Pathologic Determinants

endotoxin-like activity and activates complement interleukin 1

A

Peptidoglycan & Teichoic acids

28
Q

superficial skin infection involving the epidermis and produce vesicles that crust

A

impetigo

29
Q

small abscess on skin and subcutaneous tissue on neck and axillae; boils

A

furuncles

30
Q

group of furuncles, more deep-seated, involves adjacent hair follicles

A

carbuncles

Bacteriology (11 decks)

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