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Microbiology Exam 2 > Ch. 19 - Microbial Diseases of Skin and Wounds > Flashcards

Ch. 19 - Microbial Diseases of Skin and Wounds Flashcards

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Biology 101 flashcards
1
Q

Pus-filled pockets in the skin resulting from bacterial infection; can occur on the skin surface and within the deeper structures of the skin.

A

abscesses

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2
Q

Abscesses are often called what?

A

Pimples (but NOT same as acne)

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3
Q

A large, painful, raised modular extension of folliculitis into surrounding tissue?

A

furuncle or boil

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4
Q

A coalescence of several furuncle, extends deeper into tissues, can spread and involve multiple organs/tissues

A

carbuncle

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5
Q

A type of skin abscess that involves the hair follicle.

A

folliculitis

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6
Q

When folliculitis occurs in the eyelid base it is called what?

A

A sty

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7
Q

What are some signs/symptoms of abscesses/folliculitis?

A

Red, itching, burning.

May drain pus, blood or both.

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8
Q

Mode of transmission for folliculitis/abscesses?

A

direct contact/fomites

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9
Q

What are the two causative organisms for folliculitis/abscesses?

A

Staphylococcus aureus

Staphylococcus epidermis

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10
Q

What type of pathogens are staphylococcus aureus and epidermis?

A

Bacteria (Gram +)

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11
Q

What is the more likely cause of folliculitis?

A

Staphylococcus aureus

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12
Q

What bacteria is more predominant of the skin (“armies of them”) but NOT most likely to cause folliculitis?

A

Staphylococcus epidermis

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13
Q

What is MRSA?

A

methicillin resistant staphylococcus aureus

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14
Q

Which bacteria is known as “Super bug”

A

Staphylococcus aureus

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15
Q

Staphylococcus epidermis like what?

A

Metal

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16
Q

Abscesses/folliculitis diagnosis?

A

Isolation of bacteria in grapevine clusters - staphylococcus aureus

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17
Q

“Hot tub folliculitis” is cause by what bacteria?

A

Pseudomonas aeruginosa

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18
Q

What are major symptoms of “hot tub folliculitis”?

A

Small “pimples” on stomach, buttocks, arms, and legs

19
Q

What type of pathogen is pseudomonia aeruginosa?

A

Bacteria (Gram -)

20
Q

Mode of transmission for “hot tub folliculitis”?

A

Using a poorly chlorinated hot tub or spa.

21
Q

What is SSSS?

A

Staphylococcus scalded skin syndrome

22
Q

Major symptoms of staphylococcus scalded skin syndrome?

A

Reddening of skin; begins near mouth, spreads over entire body; skin peels off in sheets

23
Q

What causes SSSS?

A

Staphylococcus aureus (strains)

24
Q

What type of pathogen is staphylococcus aureus?

A

Bacteria (gram+)

25
Q

Mode of transmission for SSSS?

A

Direct contact/fomites

26
Q

What can SSSS be mistaken for?

A

Child abuse

27
Q

SSSS occurs primarily in what age group?

A

infants

28
Q

What is characteristic of SSSS?

A

Sloughing of skin

29
Q

SSSS usually requires what? How is it treated?

A

Hospitalization,

antibiotics

30
Q

Skin infection involving top layers of the skin?

A

impetigo

31
Q

A fiery raised rash with red borders?

A

erysipelas

32
Q

What is another name for impetigo?

A

pyoderma

33
Q

What is special about the secondary skin in SSSS?

A

Can be exposed to secondary infections, treated in the burn unit

34
Q

What is special about pseudomonas aeruginosa?

A

Can live in the heat, bacilis

35
Q

Impetigo starts with what sign?

A

Redness around the mouth

36
Q

Which is more common, SSSS or impetigo?

A

impetigo

37
Q

SSSS and impetigo have what similar sign?

A

Starts with redness around mouth.

38
Q

pyo- mean what?

A

pus

39
Q

Impetigo is common in which age group?

A

Children

40
Q

Erysipelas is more common in ____?

A

adults

41
Q

Impetigo (pyoderma) is caused by what two bacteria and percentage of both?

A 
Staphylococcus aureus (80%)
streptococcus pyogenes (20%)
42
Q

Mode of transmission for impetigo (pyoderma)?

A

Direct contact/fomites

43
Q

What type of agent is streptococcus pyogenes?

A

Bacteria (gram +)

Microbiology Exam 2 (9 decks)

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