Bacterial and fungal skin

Question 1

Honey colored pustular crust

Answer 1

impetigo

Question 2

Bullous impetigo is more common in

Answer 2

newborns and children

Question 3

Non-bullous impetigo caused by

Answer 3

Staph aureus

GA strep

Question 4

Bullous impetigo Nikolsky sign is

Answer 4

negative

Question 5

Serious complication of non-bullous impetigo caused by strep

Answer 5

PSGN

Question 6

Drug for non-bullous impetigo

Answer 6

PCN (GAS)
Erythromycin
Topical antibiotics

Topicals may be equally effective in localized infections

Question 7

Drug for bullous impetigo

Answer 7

Dicloxacilin

Question 8

Deeper cousin of impetigo where the dermal layer is penetrated

Answer 8

Ecthyma

Question 9

Ecthyma caused by pseudomonas

Answer 9

ecthyma gangrenosum

Question 10

Treatment for furuncle/carbuncle

Answer 10

Heat compress

Systemic antibiotics

Question 11

Causes of erysipelas

Answer 11

GABS mostly (pyogenes)

Question 12

Painful, superficial, bright-red edematous indurated plaque with advancing raised border suggests

Answer 12

erysipelas

Question 13

Erysipelas involving deeper into subcu fat..less defined and not as raised

Answer 13

cellulitis

Question 14

Micrococcus sedentarius causes

Answer 14

pitted keratolysis

Question 15

Most common areas involved in erysipelas

Answer 15

face and leg

Question 16

Satellite papules or pustules found on borders of erythematous patches with slight scaling at edges

Answer 16

candidiasis

Question 17

Bright red, painful, non-raised lesion with ill-defined borders. Hard on palpation

Answer 17

cellulitis

Question 18

Corynebacterium minutissimum causes

Answer 18

erythrasma

Question 19

Painful, erythematous raised lesion on arm with history of mastectomy?

Answer 19

erysipelas

Question 20

RF for candidiasis

Answer 20

pregnancy
previously traumatized skin or mucous membrane
disturbance in flora
immunocompromised/suppressed

Question 21

Cellulitis with Staph origin usually associated with

Answer 21

central localized infection that spreads

Question 22

Cellulitis with Strep origin usually associated with

Answer 22

lymphangitis and fever

Question 23

Candidiasis in axilla, groin

Answer 23

intertrigo

Question 24

Candidiasis in oral mucosa

Answer 24

thrush

Question 25

Shallow asymptomatic round pits found in soles

Answer 25

pitted keratolysis

Question 26

Asymptomatic, slightly scaly, hypopigmented/hyperpigmented, erythematous macules and patches Clear borders and fine scaling

Answer 26

Tinea versicolor

Question 27

Causes tinea capitis

Answer 27

Trichophyton tonsurans

Question 28

Causes tinea corporis

Answer 28

Trichophyton rubrum and mentagrophytes | Microsporum canis

Question 29

Causes tinea cruris

Answer 29

Trichophyton rubrum and mentagrophytes | Epidermophyton floccosum

Question 30

Causes tinea pedis/manum

Answer 30

Trichophyton rubrum and mentagrophytes

Question 31

Treatment for tinea capitis

Answer 31

oral griseofulvin

Question 32

Treatment for tinea corprois

Answer 32

topical or oral anti-fungal

Question 33

Treatment for tinea cruris

Answer 33

topical anti-fungal

Question 34

Onychomycosis/tinea ungium treatment

Answer 34

Imidazoles (clotrimazole, ketoconazole) | Trizoles (itraconazole, fluconazole)

Question 35

Candidiasis in nail folds plate

Answer 35

paronychia seen among laundry women

Question 36

Etiologic agents of tinea versicolor

Answer 36

Pityrosporum ovale Malassezia furfur

Question 37

Red-brown macular, scaly patches between toes (non-fungal)

Answer 37

erythrasma

Question 38

KOH mount reveals spaghetti and meatball appearance

Answer 38

Tinea versicolor

Question 39

Griseofulvin specific to

Answer 39

Dermatophytes, usually tinea capitis