Ch. 19 - Microbial Diseases of Skin and Wounds

Question 1

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

Answer 1

abscesses

Question 2

Abscesses are often called what?

Answer 2

Pimples (but NOT same as acne)

Question 3

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

Answer 3

furuncle or boil

Question 4

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

Answer 4

carbuncle

Question 5

A type of skin abscess that involves the hair follicle.

Answer 5

folliculitis

Question 6

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

Answer 6

A sty

Question 7

What are some signs/symptoms of abscesses/folliculitis?

Answer 7

Red, itching, burning.

May drain pus, blood or both.

Question 8

Mode of transmission for folliculitis/abscesses?

Answer 8

direct contact/fomites

Question 9

What are the two causative organisms for folliculitis/abscesses?

Answer 9

Staphylococcus aureus

Staphylococcus epidermis

Question 10

What type of pathogens are staphylococcus aureus and epidermis?

Answer 10

Bacteria (Gram +)

Question 11

What is the more likely cause of folliculitis?

Answer 11

Staphylococcus aureus

Question 12

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

Answer 12

Staphylococcus epidermis

Question 13

What is MRSA?

Answer 13

methicillin resistant staphylococcus aureus

Question 14

Which bacteria is known as “Super bug”

Answer 14

Staphylococcus aureus

Question 15

Staphylococcus epidermis like what?

Answer 15

Metal

Question 16

Abscesses/folliculitis diagnosis?

Answer 16

Isolation of bacteria in grapevine clusters - staphylococcus aureus

Question 17

“Hot tub folliculitis” is cause by what bacteria?

Answer 17

Pseudomonas aeruginosa

Question 18

What are major symptoms of “hot tub folliculitis”?

Answer 18

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

Question 19

What type of pathogen is pseudomonia aeruginosa?

Answer 19

Bacteria (Gram -)

Question 20

Mode of transmission for “hot tub folliculitis”?

Answer 20

Using a poorly chlorinated hot tub or spa.

Question 21

What is SSSS?

Answer 21

Staphylococcus scalded skin syndrome

Question 22

Major symptoms of staphylococcus scalded skin syndrome?

Answer 22

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

Question 23

What causes SSSS?

Answer 23

Staphylococcus aureus (strains)

Question 24

What type of pathogen is staphylococcus aureus?

Answer 24

Bacteria (gram+)

Question 25

Mode of transmission for SSSS?

Answer 25

Direct contact/fomites

Question 26

What can SSSS be mistaken for?

Answer 26

Child abuse

Question 27

SSSS occurs primarily in what age group?

Answer 27

infants

Question 28

What is characteristic of SSSS?

Answer 28

Sloughing of skin

Question 29

SSSS usually requires what? How is it treated?

Answer 29

Hospitalization, | antibiotics

Question 30

Skin infection involving top layers of the skin?

Answer 30

impetigo

Question 31

A fiery raised rash with red borders?

Answer 31

erysipelas

Question 32

What is another name for impetigo?

Answer 32

pyoderma

Question 33

What is special about the secondary skin in SSSS?

Answer 33

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

Question 34

What is special about pseudomonas aeruginosa?

Answer 34

Can live in the heat, bacilis

Question 35

Impetigo starts with what sign?

Answer 35

Redness around the mouth

Question 36

Which is more common, SSSS or impetigo?

Answer 36

impetigo

Question 37

SSSS and impetigo have what similar sign?

Answer 37

Starts with redness around mouth.

Question 38

pyo- mean what?

Answer 38

pus

Question 39

Impetigo is common in which age group?

Answer 39

Children

Question 40

Erysipelas is more common in ____?

Answer 40

adults

Question 41

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

Answer 41

``` Staphylococcus aureus (80%) streptococcus pyogenes (20%) ```

Question 42

Mode of transmission for impetigo (pyoderma)?

Answer 42

Direct contact/fomites

Question 43

What type of agent is streptococcus pyogenes?

Answer 43

Bacteria (gram +)