SKIN, SOFT TISSUE, BONE

Question 1

Skin, soft-tissue, and bone cultures are collected from

Answer 1

sites of suspected infection due to trauma,
irritation, bites, burns, natural openings, or poor postoperative healing

Question 2

Wound culture specimens
are collected from

Answer 2

superficial wounds of the epidermis and dermal layers of skin such as rashes,
dermatitis lesions, or pustules

Question 3

The wound surface should be free of

Answer 3

debris and disinfected, and
then a swab should be used to collect material from the deepest available area of the wound to
avoid contamination from normal flora

Question 4

Deep-wound specimens are collected from

Answer 4

abscesses,
ulcers, and boils in the subcutaneous tissue

Question 5

Surgical extraction and biopsy may be necessary for collecting deep-tissue samples for culture
because

Answer 5

they hold the greatest potential to cause a systemic infection

Question 6

INDIGENOUS ORGANISMS AND MAJOR PATHOGENS OF SKIN, SOFT TISSUE, AND BONE

Answer 6

S. aureus
S. epidermidis
P. acnes
E. coli
K. pneumo
P. mirabilis
P. aeruginosa
S. pyogenes
S. agalactiae
Salmonella species
B. fragilis
Prevotella species

Question 7

S. aureus is the most
common pathogen causing

Answer 7

skin and tissue infections

Question 8

Infections of the skin and soft tissue

Answer 8

Impetigo
cellulitis
Erysipelas
Folliculitis
Boil, furuncle
carbuncle
abscess
osteomyelitis

Question 9

Impetigo

Answer 9

infection affecting healthy superficial skin

Question 10

cellulitis

Answer 10

infection of the deeper layers of the skin and soft tissues, occurs on any part of
the body

Question 11

Erysipelas

Answer 11

S. pyogenes infection of superficial cutaneous skin on the face or legs only

Question 12

Folliculitis

Answer 12

localized infection of one hair follicle

Question 13

boil, furuncle

Answer 13

painful, hardened, and red bump associated with deep hair follicle infection

Question 14

carbuncle

Answer 14

red, swollen, and painful cluster of furuncles under the skin

Question 15

abscess

Answer 15

acute or chronic inflammation with a localized collection of pus

Question 16

osteomyelitis

Answer 16

a bacterial infection of the bone tissue. Bacteria reach the bone through
the bloodstream, introduction of skin flora by recent surgery or open fracture, intravenous
drug use, or as an extension of a local injury from the following sources: soft tissues,
urogenital tract, or upper and lower respiratory tract