Skin Infections

Question 1

skin rash accompanied by systemic symptoms such as fever and headache

Answer 1

Exanthem

Question 2

rashes on mucous membranes (inside the mouth)

Answer 2

Enanthems

Question 3

flat lesion that cannot be palpated, like a FRECKLE

Answer 3

Macular Rash

Question 4

microbial disease of the skin may result from any of 3 lines of attack (what are these 3 lines of attack?)

Answer 4

breach of the intact skin, skin manifestation of systemic infections (ex: chicken pox), toxic-mediated skin damage (ex: scarlet fever)

Question 5

infections range in severity from….

Answer 5

self-limiting localized inflammation, to rapidly progressive and life threatening necrosis

Question 6

fungal infections of the skin

Answer 6

malassezia furfur, dermatophytes, superficial mycoses, candida infections, sporotrichosis

Question 7

common skin inhabitant, agent is thought to be involved in the pathogenesis of dermatitis and dandruff.
Only time it becomes serious or problematic is when a patient is inserted with IV that contains liquidized foods (because this organism likes oil)

Answer 7

Malassezia furfur

Question 8

it only invades the outer part of the skin, it occurs worldwide, it infects keratinized tissues including skin, hair and nails, classified as ANTHROPOPHILIC, ZOOPHILIC, GEOPHILIC, belongs in 3 genera (micosporum, trichophyton-most common, epidermophyton)

Answer 8

Dermatophytes

Question 9

include infections like: tinea capitis (ringworm of the scalp), tinea corpis (ringworm of the nonhairy skin), tinea cruris (ringworm of the groin), tinea pedis (ringworm of the feet), tinea unguium (infection of the nail)–> ONYCHOMYCOSIS

Answer 9

Superficial mycoses

Question 10

found in low numbers on healthy intact skin, but rapidly colonizes damaged skin
Yeast is normal in both upper and lower part of the skin

Answer 10

Candida infections: yeast infections

Question 11

a subcutaneous mycoses, caused by SPOROTHRIX SCHENCKII, is an occupational hazard (farmers, gardeners, and florists),it will form lesions along where the initial site of infection is (where the patient is thorned)

Answer 11

Sporotrichosis

Question 12

bacterial infections of the skin, soft tissue, and muscle

Answer 12

Impetigo, Erysipelas, Cellulitis, Ecthyma, Cutaneous abscesses, Furuncles, Carbuncle, Folliculitis, Necrotizing soft-tissue infections

Question 13

it infects the epidermis beneath the stratum corneum, agents are STREPTOCOCCUS PYOGENES, STAPHYLOCOCCUS AUREUS, absence of pain, disease of the early childhood, common in warmer climates

Answer 13

Impetigo

Question 14

red, spreading lesion, sharply demarcated advancing elevated margins, it heals without scarring, agents: S. PYOGENES, less frequently S. AUREUS, commonly on the face, pain, fever, and systemic toxicity are COMMON, desquamation of involved skin occurs several days after infection

Answer 14

Erysipelas

Question 15

deeper from impetigo, begins as a vesicle and progresses to a punched-out ulcer, agents: S. AUREUS AND S. PYOGENES, less frequently PSEUDOMONAS AERUGINOSA, heals with scarring, we see this infection in people who have hot tubs (infection is typically seen on the lower extremities)

Answer 15

Ecthyma

Question 16

superficial infection of the skin and subcutaneous tissues, characterized by erythema, induration and tenderness, inflammatory lesion is hot, red with diffuse or vague margins (lesions are not always present), agents: S. AUREUS, S. PYOGENES, systemic toxicity is variable, fever chills and malaise accompany most cases of bacterial cellulitis

Answer 16

Cellulitis