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Microbiology Unit 3 > Staph. Diseases Comparison Chart > Flashcards

Staph. Diseases Comparison Chart Flashcards

1
Q

what are the five staph diseases we studied in class?

A
  1. hair follicle infections
  2. wound infections
  3. scalded skin syndrome
  4. toxic shock syndrome
  5. food borne intoxication
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2
Q

method of pathogenesis for hair follicle infections

A

invade tissue

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3
Q

method of pathogenesis for wound infections

A

invade tissue

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4
Q

method of pathogenesis for scalded skin syndrome

A

invade tissue, followed by toxin production

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5
Q

method of pathogenesis for toxic shock syndrome

A

invade tissue, followed by toxin production

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6
Q

method of pathogenesis for food borne intoxication

A

produce toxins which are then ingested, or invade tissue followed by toxin production

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7
Q

which Staph. infections are caused by Staph. aureus?

A

hair follicle infections and wound infections

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8
Q

which Staph. infections are caused by a toxigenic strain of Staph. aureus

A

scalded skin syndrome
toxic shock syndrome
food borne intoxication

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9
Q

which Staph. infections are caused by a superantigen?

A

toxic shock syndrome
food borne intoxication

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10
Q

what is the causative agent of hair follicle infections?

A

Staph. aureus

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11
Q

what is the causative agent of

A

Staph. aureus

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12
Q

what is the causative agent of scalded skin syndrome

A

toxigenic strain of Staph. aureus

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13
Q

what is the causative agent of toxic shock syndrome

A

toxigenic strain of Staph. aureus

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14
Q

what is the causative agent of food borne intoxication

A

toxigenic strain of Staph. aureus

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15
Q

which toxin causes scalded skin syndrome?

A

exfoliatin

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16
Q

which toxin causes toxic shock syndrome?

A

TSST

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17
Q

which toxin causes food borne intoxication?

A

enterotoxin

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18
Q

enterotoxin causes…

A

food borne intoxication

19
Q

TSST causes…

A

toxic shock syndrome

20
Q

exfoliatin causes…

A

scalded skin syndrome

21
Q

describe the key structural features of Staph. aureus

A

G+
cocci
clusters
catalase +
coagulase +

22
Q

Staph. aureus: G+ or G-?

A

G+

23
Q

Staph. aureus: shape

A

clusters of cocci

24
Q

Staph. aureus: catalase positive or negative?

A

positive

25
Q

Staph. aureus: coagulase positive or negative?

A

positive

26
Q

what percentage of people carry Staph. aureus?

A

15-50%

27
Q

Staph. aureus is hardy, it can survive in _____

A

dust

28
Q

what is folliculitis?

A

pus/pain, first stage of hair follicle infection

29
Q

what is furuncle?

A

boil/abcess, second stage of hair follicle infection

30
Q

what is a carbuncle?

A

abscess spreads, third stage of hair follicle infection

31
Q

what are the three stages of a hair follicle infection? what are their symptoms?

A

folliculitis: pus/pain
furuncle: boil/abscess
carbuncle: abscess spreads

32
Q

pathogenesis: infects hair follicle down to subcutaneous tissue and begins to replicate.

A

hair follicle infections

33
Q

what is the pathogenesis path of a hair follicle infection?

A

infects hair follicle down to subcutaneous tissue and begins to replicate –> bacteremia –> sepsis –> spread to bones/organs

34
Q

how is Staph. spread in hair follicle infections?

A

can shed Staph. and spread it to food, patients, wounds

35
Q

this condition occurs when you shed Staph. and spread it to food, patients, and wounds. what is it?

A

hair follicle infection

36
Q

how to treat Staph.? (one word)

A

antibiotics!

37
Q

how to treat hair follicle infections

A

lotions, gells, pills, minor surgery

38
Q

lotions, gels, pills, minor surgery

A

how to treat hair follicle infections

39
Q

how to prevent Staph. infections in general?

A

good hygiene, cover wounds, good aseptic practice

40
Q

good hygiene, cover wounds, good aseptic practice

A

how to prevent Staph. infections in general?

41
Q

symptoms:
pyogenic
splits open due to swelling
coagulase test different
inflammation
can be toxigenic

A

symptoms of Staph. aureus wound infections

42
Q

symptoms of Staph. aureus wound infections

A

symptoms:
pyogenic
splits open due to swelling
coagulase test different
inflammation
can be toxigenic

43
Q

classifications/descriptions of Staph. wound infections?

A

CA: cuts and scrapes
HA: surgical incisions

44
Q

CA: cuts and scrapes
HA: surgical incisions

A

classifications/descriptions of Staph. wound infections?

Microbiology Unit 3 (25 decks)

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