Chapter 150 :: Superficial Cutaneous Infections and Pyodermas

Question 1

primarily a harmless commensal bacterium found on the surface of human skin

Answer 1

S. epidermidis

Question 2

found as both a harmless commensal bacterium as well as an aggressive and deadly pathogen

Answer 2

S. aureus

Question 3

also has been termed follicular or Bockhart impetigo

Answer 3

Superficial folliculitis

Question 4

deep folliculitis with perifollicular inflammation occurring in the bearded areas of the face and upper lip

Answer 4

Sycosis barbae

Question 5

caused certain types of exfoliative toxins

These exfoliative toxins are serine proteases that target desmoglein 1

Answer 5

Bullous impetigo

Question 6

typically affects the axillary or pubic hair and consists of tan, reddish, yellow, or black concretions on the surface of the hair shaft, which represent biofilms of Corynebacterium spp.

Answer 6

TRICHOBACTERIOSIS